BE833728A - Agents opacifiants microspheriques et procede pour les preparer - Google Patents
Agents opacifiants microspheriques et procede pour les preparerInfo
- Publication number
- BE833728A BE833728A BE160303A BE160303A BE833728A BE 833728 A BE833728 A BE 833728A BE 160303 A BE160303 A BE 160303A BE 160303 A BE160303 A BE 160303A BE 833728 A BE833728 A BE 833728A
- Authority
- BE
- Belgium
- Prior art keywords
- microspherical
- preparing
- opacifying agents
- opacifying
- agents
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
- C08G12/36—Ureas; Thioureas
- C08G12/38—Ureas; Thioureas and melamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/42—Gloss-reducing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/42—Coatings with pigments characterised by the pigments at least partly organic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
- D21H21/285—Colorants ; Pigments or opacifying agents insoluble
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
- D21H21/54—Additives of definite length or shape being spherical, e.g. microcapsules, beads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
- Y10T428/2985—Solid-walled microcapsule from synthetic polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2989—Microcapsule with solid core [includes liposome]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31993—Of paper
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/508,322 US4239646A (en) | 1974-09-23 | 1974-09-23 | Microspheric opacifying agents and method for their production |
Publications (1)
Publication Number | Publication Date |
---|---|
BE833728A true BE833728A (fr) | 1976-01-16 |
Family
ID=24022283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE160303A BE833728A (fr) | 1974-09-23 | 1975-09-23 | Agents opacifiants microspheriques et procede pour les preparer |
Country Status (11)
Country | Link |
---|---|
US (2) | US4239646A (fr) |
JP (1) | JPS546080B2 (fr) |
BE (1) | BE833728A (fr) |
BR (1) | BR7506082A (fr) |
DE (1) | DE2542190A1 (fr) |
FI (1) | FI752630A (fr) |
FR (1) | FR2285174A1 (fr) |
GB (2) | GB1529231A (fr) |
IT (1) | IT1042747B (fr) |
NL (1) | NL7511201A (fr) |
SE (1) | SE7510597L (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4201404A (en) * | 1978-05-17 | 1980-05-06 | Minnesota Mining And Manufacturing Company | Pressure-sensitive marking materials |
EP0009413B1 (fr) * | 1978-09-27 | 1982-10-20 | Kanzaki Paper Manufacturing Company Limited | Procédé pour enlever l'aldéhyde de dispersions de microcapsules |
US4452934A (en) * | 1981-09-28 | 1984-06-05 | Georgia-Pacific Corporation | Aminoplast resin compositions |
CS248505B1 (en) * | 1983-06-23 | 1987-02-12 | Marie Tlustakova | Method of biocompatible layer production on surface of porous synthetic sorbents' particles |
FI832553A (fi) * | 1983-07-19 | 1985-01-14 | Gosudarstvenny Nauchno- Issledovatelsky I Proektny Institut/Po Obogascheniju Rud Tsvetnykh Metallov Çkazmekhanobrç | Polymert material foer fysikalisk- kemisk avskiljning av aemnen och foerfarande foer framstaellning av materialet. |
CA1243909A (fr) * | 1984-07-17 | 1988-11-01 | Yoshiaki Echigo | Particules microspheriques de resines de resole et methode de preparation |
JPS6187734A (ja) * | 1984-10-03 | 1986-05-06 | Japan Synthetic Rubber Co Ltd | 中空ポリマ−粒子の製造方法 |
US4606992A (en) * | 1985-10-17 | 1986-08-19 | Eastman Kodak Company | Reflecting layer for image transfer prints |
GB8826471D0 (en) * | 1988-11-11 | 1988-12-14 | Shaw Chemical Systems Ltd | Flame retardant composition |
US5110898A (en) * | 1988-11-28 | 1992-05-05 | Georgia-Pacific Corporation | Method for manufacturing amino-aldehyde compositions |
US4960856A (en) * | 1988-11-28 | 1990-10-02 | Georgia-Pacific Corporation | Urea-formaldehyde compositions and method of manufacture |
US5208038A (en) * | 1989-12-08 | 1993-05-04 | Dow Corning Corporation | Coacervated highly absorptive polymers |
EP0468917A3 (en) * | 1990-07-06 | 1992-05-27 | Ciba-Geigy Ag | Aqueous dispersion of urea-formaldehyde polymers and their use |
CA2080424A1 (fr) * | 1991-10-25 | 1993-04-26 | Jerry Moy | Microcapsules renfermant des colloides inorganiques et methodes de fabrication |
US5281286A (en) * | 1992-04-09 | 1994-01-25 | The United States Of America As Represented By The Secretary Of The Army | Microcoacervation of propellant ingredients |
JPH07246329A (ja) * | 1994-03-09 | 1995-09-26 | Nippon Paint Co Ltd | マイクロカプセルの製造方法及びマイクロカプセル |
US5795507A (en) * | 1996-06-24 | 1998-08-18 | Melamine Chemicals, Inc. | Preparation of pigmented melamine-formaldehyde polymer beads |
US8163386B1 (en) * | 1997-09-02 | 2012-04-24 | Ishihara Sangyo Kaisha, Ltd. | Fine hollow powder thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same |
FI19991742A (fi) * | 1999-06-24 | 2000-12-24 | Neste Chemicals Oy | Kuivana applikoituva polymeeripigmentti |
FR2801218B1 (fr) * | 1999-11-23 | 2001-12-28 | Hoechst Marion Roussel Inc | Compositions pharmaceutiques comprenant de la trimegestone, leurs procedes de preparation ainsi que le conditionnement primaire les renfermant |
JP4896024B2 (ja) * | 2004-08-25 | 2012-03-14 | オムノバ ソリューソンズ インコーポレーティッド | 凝集中空粒子ラテックスを使用した紙の製造 |
RU2491303C2 (ru) * | 2007-12-21 | 2013-08-27 | ДЮНЕА Аустриа ГмбХ | Способ непрерывного производства высокоэффективных водных растворов аминоформальдегидной смолы |
US20110014487A1 (en) * | 2007-12-21 | 2011-01-20 | Dynea Oy | Process for the continuous production of high efficient aqueous amino formaldehyde resin solutions |
CN108450466A (zh) * | 2018-03-23 | 2018-08-28 | 上海生农生化制品股份有限公司 | 一种含有丁氟螨酯的农药组合物及其在防治害虫中的应用 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2776267A (en) * | 1951-11-17 | 1957-01-01 | Interchem Corp | Spherical pigments and method of preparing same |
DE1420831B2 (de) * | 1959-07-28 | 1972-04-20 | Will, Günther, Dr , 6100 Darmstadt | Verfahren zur herstellung von poroesen formkoerpern |
US3981845A (en) * | 1963-08-23 | 1976-09-21 | Ciba-Geigy Ag | High surface area polycondensation polymer particulates based on urea and formaldehyde |
US3371053A (en) * | 1965-08-09 | 1968-02-27 | Raskin Betty Lou | Multicellular plastic particles and dispersions thereof |
US3516941A (en) * | 1966-07-25 | 1970-06-23 | Minnesota Mining & Mfg | Microcapsules and process of making |
US3615972A (en) * | 1967-04-28 | 1971-10-26 | Dow Chemical Co | Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same |
US3539465A (en) * | 1968-10-08 | 1970-11-10 | Ncr Co | Encapsulation of hydrophilic liquid-in-oil emulsions |
US3822181A (en) * | 1968-12-23 | 1974-07-02 | Champion Int Corp | Method of making fibrous substrates that contain air containing microcapsules that have inorganic pigments incorporated in their structure |
US3585149A (en) * | 1968-12-23 | 1971-06-15 | Us Plywood Champ Papers Inc | Microcapsular opacifier system |
US3720579A (en) * | 1968-12-23 | 1973-03-13 | Champion Int Corp | Fibrous substrates with microcapsular opacifiers |
US3779957A (en) * | 1968-12-23 | 1973-12-18 | Champion Int Corp | Microcapsular opacifier system |
US3781230A (en) * | 1968-12-23 | 1973-12-25 | Champion Int Corp | Microcapsular opacifier system |
US3669899A (en) * | 1969-04-29 | 1972-06-13 | Us Plywood Champ Papers Inc | Microcapsular opacifier system |
US3516846A (en) * | 1969-11-18 | 1970-06-23 | Minnesota Mining & Mfg | Microcapsule-containing paper |
US3953421A (en) * | 1970-07-30 | 1976-04-27 | Cabot Corporation | Paper coating compositions and organic pigments used therein |
US3734867A (en) * | 1971-12-17 | 1973-05-22 | G Will | Method of producing porous polymerizates from water-in-oil emulsions |
US3784391A (en) * | 1971-12-27 | 1974-01-08 | Nl Industries Inc | Finely divided hollow microcapsules of polymeric resins |
US3849378A (en) * | 1973-01-03 | 1974-11-19 | Westvaco Corp | Urea formaldehyde pigment |
US3909348A (en) * | 1973-08-21 | 1975-09-30 | Cabot Corp | Urea-formaldehyde pigmentary fillers used in paper |
US3928272A (en) * | 1974-03-25 | 1975-12-23 | Nl Industries Inc | Process of making urea-formaldehyde solid microspheres |
-
1974
- 1974-09-23 US US05/508,322 patent/US4239646A/en not_active Expired - Lifetime
-
1975
- 1975-09-19 FI FI752630A patent/FI752630A/fi not_active Application Discontinuation
- 1975-09-22 SE SE7510597A patent/SE7510597L/xx unknown
- 1975-09-22 GB GB38737/75A patent/GB1529231A/en not_active Expired
- 1975-09-22 DE DE19752542190 patent/DE2542190A1/de active Pending
- 1975-09-22 GB GB6109/78A patent/GB1529232A/en not_active Expired
- 1975-09-22 BR BR7506082*A patent/BR7506082A/pt unknown
- 1975-09-23 FR FR7529157A patent/FR2285174A1/fr not_active Withdrawn
- 1975-09-23 IT IT27555/75A patent/IT1042747B/it active
- 1975-09-23 JP JP11546175A patent/JPS546080B2/ja not_active Expired
- 1975-09-23 NL NL7511201A patent/NL7511201A/xx not_active Application Discontinuation
- 1975-09-23 BE BE160303A patent/BE833728A/fr unknown
-
1976
- 1976-08-24 US US05/717,449 patent/US4087581A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4239646A (en) | 1980-12-16 |
GB1529232A (en) | 1978-10-18 |
BR7506082A (pt) | 1976-08-03 |
IT1042747B (it) | 1980-01-30 |
FI752630A (fr) | 1976-03-24 |
NL7511201A (nl) | 1976-03-25 |
DE2542190A1 (de) | 1976-04-01 |
JPS546080B2 (fr) | 1979-03-24 |
JPS5176384A (fr) | 1976-07-01 |
FR2285174A1 (fr) | 1976-04-16 |
US4087581A (en) | 1978-05-02 |
GB1529231A (en) | 1978-10-18 |
SE7510597L (sv) | 1976-03-24 |
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