GB2216536A - Burnish gold decorating composition - Google Patents

Burnish gold decorating composition Download PDF

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Publication number
GB2216536A
GB2216536A GB8904249A GB8904249A GB2216536A GB 2216536 A GB2216536 A GB 2216536A GB 8904249 A GB8904249 A GB 8904249A GB 8904249 A GB8904249 A GB 8904249A GB 2216536 A GB2216536 A GB 2216536A
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GB
United Kingdom
Prior art keywords
gold
burnish
weight
composition
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB8904249A
Other versions
GB8904249D0 (en
GB2216536B (en
Inventor
Gunter Landgraf
Wolfgang Gobel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WC Heraus GmbH and Co KG
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WC Heraus GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG
Publication of GB8904249D0 publication Critical patent/GB8904249D0/en
Publication of GB2216536A publication Critical patent/GB2216536A/en
Application granted granted Critical
Publication of GB2216536B publication Critical patent/GB2216536B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
    • C04B41/5116—Ag or Au
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/88—Metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D139/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Coating compositions based on derivatives of such polymers
    • C09D139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C09D139/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/38—Paints containing free metal not provided for above in groups C09D5/00 - C09D5/36
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C03C2217/254—Noble metals
    • C03C2217/255—Au
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/114—Deposition methods from solutions or suspensions by brushing, pouring or doctorblading
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical

Description

BURNISH GOLD DECORATING COMPOSITIONS The invention relates to a burnish
gold composition containing polyvinyl pyrrolidone and water, for the purpose of decorating glass, ceramics and china.
Liquid burnish gold, being a composition used for a long time for gilding operations in the ceramics industry, consists of gold powder in suspension in an oily medium as an organic carrier, a fluxing agent providing secure adhesion on the piece to be gilded and commonly containing bismuth and chromium in the form of the resinate or sulphoresinate and rhodium sulphoresinate (for example see F. Chemnitius, Sprechsaal 1927, pages 182 to 184).
A similar gold composition has for example also been disclosed in GB-A-721,906. It comprises a suspension of fine gold powder in a solution of lead, bismuth, boron and/ or silicon resinate in an organic carrier consisting, for example, of camphor, asphalt, cumarone-indene resin, ethyl glycol and oil of turpentine.
Instead of the gold powder, a burnish gold composition which has a proportion of gold of say 10 to 40% or more and after firing initially appears as a dull gold layer but after burnishing as a silkily shiny one, may also contain sparingly soluble gold compounds. For example, DE-C-1 286 866 discloses burnish gold compositions containing heat decomposable gold mercaptides of low solubility, and DE-C 2 111 729 discloses screen printing pastes containing gold (III) sulphide.
According to DE-C-1 286 866, typical organic carriers include mixtures of two or more of the following components:
methyl ethyl ketone, cyclohexanone, ethyl acetate, amyl acet ate, cellosolve (ethylene glycol ethers), butanol, nitrobenzene, toluene, xylene, petroleum ether, chloroform, carbon tetrachloride, a variety of terpense such as pinene, dipentene, dipentene oxide and the like, essential oils such as lavender oil, rosemary oil, aniseed oil, sassafras oil, oil of wintergreen, fennel oil and oil of turpentine, Assyrian bitumen, different pine resins and balsams, as well as synthetic resins. A painting medium for over-glaze decoration, which contains synthetic resins and is free of organic solvents injurious to health and may be diluted with water, is 5 described in DE-A-32 17 049. It contains 15 to 40% by weight of polyvinyl pyrrolidone, if appropriate in an aqueous mixture with aqueous polyethylene oxide, 45 to 85% by weight of ehtylene glycol and/or propylene glycol, possibly water and preferably a non-ionogenic wetting agent, diethylene glycol monobutyl ether and glycerine and may be included together with gold and organic gold compounds.
The burnish gold composition disclosed in DE-C-35 44 339 contains Nsubstituted pyrrolidones as organic carriers compatible with water, a gold compound dissolved therein, if appropriate a gold powder and/or a gold compound insoluble in organic solvents,-a fluxing agent, if appropriate additives affecting colouration, and 0 to 50% of one or more synthetic resins selected from amino, phenolic, acrylic, alkyd and epoxy resins, which may be diluted with water. 1-methyl-2-pyrrolidone is preferably used as the pyrrolidone. Its satisfactory solvent capacity as well as its dispersing action on the solid components allow streak free ap. plication by brush of the gold polish composition.
The present invention consists in a burnish gold composition containing 10 to 40% by weight of gold in the form of gold powder and/or a sparingly soluble gold compound, 2 to 20% by weight of polyvinyl pyrrolidone, 3 to 30% by weight of an aqueous acrylate resin dispersion with 30 to 60% by weight of solids content, and 5 to 50% by weight of water.
It is possible by means of the invention to provide an aqueous burnish gold composition free of any solvents which might be injurious to health, analogous to that described in DE-A-32 17 049, which flows smoothly during application by for example a brush or an edging machine, will satisfactorily withstand being wiped after drying out and is present as an even and dense gold layer after firing.
A burnish gold composition containing 16 to 30% by weight of gold in the form of gold powder and/or sparingly soluble gold compound, 3 to 10% by weight of polyvinyl pyrrolidone, 5 to 15% by weight of the aqueous acrylate resin dispersion and 20 to 40% by weight of water has proved particularly satisfactory.
The burnish gold composition according to the invention has excellent painting properties, spreading quite uniformly during application. The surface quality and resistance to wiping after drying-on are very satisfactory. Its storage stability is also very satisfactory.
Separation into flakes does not occur and the gold particles (gold powder, sparingly soluble gold compound) may easily be shaken up. The devices used for preparation and applicable may moreover easily be cleaned with water.
The decoration produced by firing initially appears as a dense, smooth and homogeneous layer of brownish colouration, which may easily be polished and then acquires an appearance which is like matt silk, gold coloured and free of streaks and spots.
It is considered surprising that a burnish gold composition containing water and fulfilling all practical requirements is obtained by the joint utilisation of polyvinyl pyrrolidone and the aqueous acrylate resin dispersion. By contrast, the properties of a burnish gold product containing just polyvinyl pyrrolidone as a synthetic resin are unsatisfactory in numerous respects. For example, a product of this nature is difficult to apply by brush without streaking and is not sufficiently proof against wiping down in the dried-on condition, and firing does not lead to dense and uniform gold layers.
Aqueous acrylate resin dispersions are known binding agents in the paint industry. Pure acrylate resin dispersions, as well as acrylate resin dispersions of (meth)acrylic acid esters and other monomers are appropriate for the burnish gold composition according to the invention, to the extent that they yield homogeneous solutions with polyvinyl pyrrolidone.
As the gold component, the burnish gold composition contains gold powder or one or more sparingly soluble gold compounds the use of which for burnish gold is known, for example gold mercaptides or gold sulphides, or mixtures of gold powder and the sparingly soluble gold compounds.
One or more fluxing agents and/or oxides may be added to the-composition, should this be necessary in view of the nature of the object to be decorated and the firing temperature. These additives commonly comprise oxides or salts of boron, silicon, vanadium, bismuth, lead, chromium, titanium, tin, zirconium, lithium, sodium, potassium, calcium, barium and others, and of glass powders which may contain lead or be free of lead. It may be advantageous if the burnish gold composition contains one or more water-soluble aliphatic aldohols and/or glycol monoalkyl ethers. 30 The type and quantity of the alcohols and glycol ethers depend on the manner in which the burnish gold composition is to be applied to the object to be ornamented- An application by means of a brush thus requires a comparatively 35 thin, fluid and fast-drying composition, whereas for example in the case of application by screen printing or by means of an edging machine, the product should be more viscous and dry more slowly. For example, appropriate aliphatic alcohols and-glycol monoalkyl ethers are: methanol, ethanol, propanol, ethylene glycol, propylene glycol, glycerine, propylene glycol monomethyl ether and propylene glycol monoethyl ether.
The composition may be diluted with these alcohols, glycol ethers and/or water, and revivified if it should have been dried on.
If the gold polish composition is to be fired at a higher temperature (1100 - 1400 0 C), it may receive a temperature-stabilising additive, such as for example purple of Cassius, tin oxide, stannic acid, meta-stannic acid, iron oxide and aluminium oxide (see DE-C-2 208 915).
To vary the hue of the gilding, other precious metals as well as base metals may be added to the burnish gold composition in the form of metal powders or of sparingly soluble compounds. For example, burnish gold containing silver powder yields gold ornamentations of yellow-green appearance, and one containing platinum powder yields one with a platinum-coloured appearance.
Wetting agents and defoaming agents may furthermore also be included in the burnish gold product for improved wetting of the surface which is to be decorated, and foP defoaming purposes.
Some particular compositions of the burnish gold product are described in detail in the following examples, for a clearer elucidation of the invention. Example 1.
A burnish gold product appropriate for application by brush is obtained by grinding for 48 hours in a ball mill from the components:
Component % by weight gold powder 20.0 gold sulphide, 80% gold- 10.0 rhodium oxide 0.1 lead borosilicate glass 2.0 polyvinyl pyrrolidone 5.0 aqueous aerylate resin dispersion, 40% solids12.0 water 25.9 ethanol 8.0 propylene glycol 12.0 non-ionogenic wetting agent 5.0 The product is applied by brush on a china plate.
The product, which is wipe-proof and has a smooth surface after drying on, is then fired at 8200 C to form a dense layer. A gold ornamentation of shining silky appearance is obtained by burnishing with a glass brush.
Example 2.
A high-temperature burnish gold product appropriate for application by brush is produced as described in Example 1, from the components:
Component % by weight gold powder 4.0 gold sulphide, 80% gold 20.0 rhodium oxide 0.2 tin oxide 4.0 polyvinyl pyrrolidone 6.0 aqueous acrylate resin dispersion, 40% solids 8.0 water 27.8 ethanol 9.0 propyleneglycol 15.0 non-ionogenic wetting agent 6.0 The product is applied by brush on a china plate. The product which is wipe-proof and has a smooth surface after drying on, is then fired at 1250 0 C into a dense layer. A gold ornamentation of shining silky appearance is obtained by burnishing with a glags brush.
i 1. A burnish gold composition containing 10 to 40% by weight of gold in the form of gold powder and/or a sparingly soluble gold compound, 2 to 20% by weight of polyvinyl pyrrolidone, 3 to 30% by weight of an aqueous acrylate resin dispersion with 30 to 60% by weight of solids content, and 5 to 50% by weight of water.
2. A burnish gold composition according to claim 1, 1 which contains 16 to 30% by weight of gold in the form of gold powder and/or a sparingly soluble gold compound, 3 to 10% by weight of polyvinyl pyrrolidone, 5 to 15% by weight of the aqueous acrylate resin dispersion and 20 to 40% by weight of water.
3. A burnish gold composition according to claim I or claim 2, which also contains one or more fluxing agents and/or oxides.
4. A burnish gold composition according to any preceding claim which contains one or more water-soluble aliphatic alcohols and/or glycol monoalkyl ethers in a quantity of up to 60% by weight.
5. A burnish gold composition according to any preceding claim which also contains a temperature stabilizing additive.
6. A burnish gold composition according to claim 5, wherein the temperature-stabilizing additive comprises purple of Cassius, tin oxide, stannic acid, metastannic acid, iron oxide and/or aluminium oxide.
7. A burnish gold composition according to claim 1, substantially as herein described with reference to either of the Examples. 41 Published 1989atThe Patent Office, State House.68.771 High Holborn, LondonWClR4TP. Further copies maybe obtainedfrom The PatentOMce. Sales Branch, St Mary Cray, Orpington, Kent BR5 3RD. Printed by Multiplex techniques ltd, St Mary Cray, Kent, Con. 1/87
GB8904249A 1988-03-05 1989-02-24 Burnish gold decorating compositions Expired - Lifetime GB2216536B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883807290 DE3807290A1 (en) 1988-03-05 1988-03-05 POLIERGOLDPRAEPARAT

Publications (3)

Publication Number Publication Date
GB8904249D0 GB8904249D0 (en) 1989-04-12
GB2216536A true GB2216536A (en) 1989-10-11
GB2216536B GB2216536B (en) 1991-06-26

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GB898900300A Pending GB8900300D0 (en) 1988-03-05 1989-01-06 Gold polish compositions
GB8904249A Expired - Lifetime GB2216536B (en) 1988-03-05 1989-02-24 Burnish gold decorating compositions

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898900300A Pending GB8900300D0 (en) 1988-03-05 1989-01-06 Gold polish compositions

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GB (2) GB8900300D0 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514073A2 (en) * 1991-05-17 1992-11-19 Johnson Matthey Public Limited Company Precious metal composition
DE4405932C1 (en) * 1994-02-24 1995-05-04 Cerdec Ag Aqueous noble metal preparations and their use for producing noble metal decorations
DE4405423A1 (en) * 1994-02-21 1995-08-24 Cerdec Ag Mono:noble metal di:thiolate cpds. useful in aq. prepn. or decal giving lustrous metal
DE4405424A1 (en) * 1994-02-21 1995-08-24 Cerdec Ag Organic sulfur compounds, processes for their preparation and their use
EP0675084A2 (en) * 1994-03-30 1995-10-04 Cerdec Aktiengesellschaft Keramische Farben Method and means for the production of purple-coloured decorations
US5705664A (en) * 1994-02-21 1998-01-06 Cerdec Aktiengesellschaft Keramische Farben Mononoble metal dithiolates, preparations containing them and their use
RU2127748C1 (en) * 1991-05-17 1999-03-20 Джонсон Мэтью Паблик Лимитед Компани Homogeneous composition for molding noble metal film during roasting operation, method of molding noble metal film, mercapto compound of gold, and process for preparing mercapto compounds of gold
CN101805211A (en) * 2010-03-10 2010-08-18 陆景波 Gold inlaying and decorating process method of ceramic product
EP3825369A1 (en) * 2019-11-25 2021-05-26 Lisa Antarakis Gilding technique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1291335B1 (en) 2001-09-05 2004-08-11 Ferro GmbH Radiation curable precious metal composition, decalcomanias containing it and method of decorating

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK201081A (en) * 1981-05-06 1982-11-07 Kongelige Porcelainsfabrik A S PAINTING AND PRINTING MEDIUM AND OVERLASSUR COLOR AND PRINTING COLOR BASED ON THIS MEDIUM

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514073A2 (en) * 1991-05-17 1992-11-19 Johnson Matthey Public Limited Company Precious metal composition
EP0514073A3 (en) * 1991-05-17 1993-03-17 Johnson Matthey Public Limited Company Precious metal composition
US5281635A (en) * 1991-05-17 1994-01-25 Johnson Matthey Public Limited Company Precious metal composition
US5401535A (en) * 1991-05-17 1995-03-28 Johnson Matthey Public Limited Company Precious metal composition
US6013798A (en) * 1991-05-17 2000-01-11 Johnson Matthey Public Limited Company Precious metal composition
RU2127748C1 (en) * 1991-05-17 1999-03-20 Джонсон Мэтью Паблик Лимитед Компани Homogeneous composition for molding noble metal film during roasting operation, method of molding noble metal film, mercapto compound of gold, and process for preparing mercapto compounds of gold
US5744245A (en) * 1991-05-17 1998-04-28 Johnson Matthey Public Limited Company Precious metal composition
US5721303A (en) * 1994-02-21 1998-02-24 Cerdec Aktiengesellschaft Keramische Farben Organosulfur gold compounds, a process for their production and their use
DE4405423A1 (en) * 1994-02-21 1995-08-24 Cerdec Ag Mono:noble metal di:thiolate cpds. useful in aq. prepn. or decal giving lustrous metal
DE4405424A1 (en) * 1994-02-21 1995-08-24 Cerdec Ag Organic sulfur compounds, processes for their preparation and their use
US5705664A (en) * 1994-02-21 1998-01-06 Cerdec Aktiengesellschaft Keramische Farben Mononoble metal dithiolates, preparations containing them and their use
US5639901A (en) * 1994-02-21 1997-06-17 Cerdec Aktiengesellschaft Keramische Farben Organosulfur gold compounds, a process for their production and their use
US5545452A (en) * 1994-02-24 1996-08-13 Cerdec Aktiengesellschaft Keramische Farben Aqueous precious metal preparations and their use for manufacturing precious metal decorations
EP0669300A3 (en) * 1994-02-24 1996-03-13 Cerdec Ag Aqueous noble metal preparations and their use in the making of noble metal decorations.
EP0669300A2 (en) * 1994-02-24 1995-08-30 Cerdec Aktiengesellschaft Keramische Farben Aqueous noble metal preparations and their use in the making of noble metal decorations
DE4405932C1 (en) * 1994-02-24 1995-05-04 Cerdec Ag Aqueous noble metal preparations and their use for producing noble metal decorations
US5589273A (en) * 1994-03-30 1996-12-31 Cerdec Aktiengesellschaft Keramische Farben Process and agent for the production of purple decoration
EP0675084A3 (en) * 1994-03-30 1996-01-10 Cerdec Ag Method and means for the production of purple-coloured decorations.
EP0675084A2 (en) * 1994-03-30 1995-10-04 Cerdec Aktiengesellschaft Keramische Farben Method and means for the production of purple-coloured decorations
CN101805211A (en) * 2010-03-10 2010-08-18 陆景波 Gold inlaying and decorating process method of ceramic product
EP3825369A1 (en) * 2019-11-25 2021-05-26 Lisa Antarakis Gilding technique

Also Published As

Publication number Publication date
GB8904249D0 (en) 1989-04-12
DE3807290A1 (en) 1989-09-14
GB2216536B (en) 1991-06-26
DE3807290C2 (en) 1990-12-06
GB8900300D0 (en) 1989-03-08

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970224