NL230603A - - Google Patents
Info
- Publication number
- NL230603A NL230603A NL230603DA NL230603A NL 230603 A NL230603 A NL 230603A NL 230603D A NL230603D A NL 230603DA NL 230603 A NL230603 A NL 230603A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S206/00—Special receptacle or package
- Y10S206/819—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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/15—Antistatic agents not otherwise provided for
- Y10S260/16—Antistatic agents containing a metal, silicon, boron or phosphorus
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/15—Antistatic agents not otherwise provided for
- Y10S260/17—High polymeric, resinous, antistatic agents
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/15—Antistatic agents not otherwise provided for
- Y10S260/19—Non-high polymeric antistatic agents/n
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US679534A US2956035A (en) | 1957-08-21 | 1957-08-21 | Block-resisting polyethylene film compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
NL230603A true NL230603A (nl) | 1900-01-01 |
Family
ID=24727305
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL230603D NL230603A (nl) | 1957-08-21 | ||
NL107145D NL107145C (nl) | 1957-08-21 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL107145D NL107145C (nl) | 1957-08-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2956035A (nl) |
BE (1) | BE570481A (nl) |
DE (1) | DE1210177B (nl) |
GB (1) | GB851975A (nl) |
NL (2) | NL107145C (nl) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3231636A (en) * | 1958-03-20 | 1966-01-25 | Union Carbide Corp | High shear strength blends of high and low density polyethylene |
US3127370A (en) * | 1958-05-28 | 1964-03-31 | Method of making fiber-grade polyethylene | |
BE579333A (nl) * | 1958-06-07 | |||
US3194850A (en) * | 1959-11-13 | 1965-07-13 | Armstrong Cork Co | Process of preparing polyethylene resin blends |
US3090770A (en) * | 1960-04-26 | 1963-05-21 | Grace W R & Co | Blended polyethylene compositions of improved clarity and method of making same |
US3176051A (en) * | 1960-08-19 | 1965-03-30 | Grace W R & Co | Blended polyethylene composition |
US3269972A (en) * | 1960-10-05 | 1966-08-30 | Exxon Research Engineering Co | Butyl rubber compositions comprising methyl hydroxy stearate |
US3118857A (en) * | 1961-03-09 | 1964-01-21 | Phillips Petroleum Co | Solid polyolefin containing an aryl substituted polyolefin and having improved clarity |
BE616888A (nl) * | 1961-04-25 | |||
NL134337C (nl) * | 1961-07-13 | |||
US3211808A (en) * | 1961-09-05 | 1965-10-12 | Dow Chemical Co | Coating compositions of low molecular weight polyethylene and graft copolymers of polymerizable acrylic acids and polyethylene |
NL285201A (nl) * | 1961-11-24 | |||
US3364284A (en) * | 1962-04-06 | 1968-01-16 | Phillips Petroleum Co | Extrusion of high molecular weight ethylene polymer using polystyrene as a processing aid |
US3266924A (en) * | 1962-07-26 | 1966-08-16 | Nat Distillers Chem Corp | Method for producing free-flowing additives mixture for polyethylene |
US3324060A (en) * | 1963-12-05 | 1967-06-06 | Monsanto Co | Blending lubricous additives and silica aerogels into polyolefins |
US3347692A (en) * | 1964-08-26 | 1967-10-17 | Dow Chemical Co | Method of coating articles with graft copolymers of polypropylene and acrylic acid |
US3385804A (en) * | 1964-12-14 | 1968-05-28 | Koppers Co Inc | Foamable polystyrene compositions containing fatty acid amide lubricants |
US3374199A (en) * | 1965-11-01 | 1968-03-19 | Dow Chemical Co | Non-blocking polyolefin compositions |
US3470122A (en) * | 1966-01-19 | 1969-09-30 | Nat Distillers Chem Corp | Compositions comprising ethylene-vinyl acetate copolymer,fatty acid salt,fatty acid amide and particulate material |
US3894985A (en) * | 1974-02-14 | 1975-07-15 | Johns Manville | Non-coloring diatomite-filled polyolefins |
US3969304A (en) * | 1974-11-27 | 1976-07-13 | National Distillers And Chemical Corporation | Ethylene polymer films |
US4087507A (en) * | 1975-12-19 | 1978-05-02 | Standard Oil Company (Indiana) | Process for improving the production efficiency of woven polypropylene fabrics |
US4412025A (en) * | 1981-03-11 | 1983-10-25 | Union Carbide Corporation | Anti-block compounds for extrusion of transition metal catalyzed resins |
DE3337356A1 (de) * | 1983-10-14 | 1985-04-25 | Grace Gmbh, 2000 Norderstedt | Kombiniertes antiblocking- und gleitmittelkonzentrat |
US4539124A (en) * | 1984-02-10 | 1985-09-03 | Elkem A/S | Lubricating system composition for extrusion of polyvinyl chloride resin binder |
GB2156837A (en) * | 1984-03-29 | 1985-10-16 | British Telecomm | Optical fibre transmission lines |
EP0217585A3 (en) * | 1985-09-24 | 1989-08-30 | Du Pont Canada Inc. | Manufacture of film from linear low density polyethylene |
GB8704187D0 (en) * | 1987-02-23 | 1987-04-01 | Don Bros Buist Plc | Treating extruded polymers |
US4938608A (en) * | 1988-04-25 | 1990-07-03 | Daniel Espinosa | Double-section plastic produce bag |
US4904092A (en) * | 1988-10-19 | 1990-02-27 | Mobil Oil Corporation | Roll of thermoplastic bags |
US5227080A (en) * | 1990-10-10 | 1993-07-13 | Integral Corporation | Intrinsically lubricated material compositions and products thereof |
US5306542A (en) * | 1993-02-11 | 1994-04-26 | Owens-Illinois Closure Inc. | Plastic closure with compression molded sealing liner |
US7365117B2 (en) * | 2004-12-02 | 2008-04-29 | Ampacet Corporation | Polyethylene formulations |
US20070298273A1 (en) * | 2006-06-27 | 2007-12-27 | Bemis Clysar, Inc. | Multilayer shrink films having a core layer of EVA/ionomer blend |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB641568A (nl) * | 1900-01-01 | |||
US2655492A (en) * | 1948-10-29 | 1953-10-13 | Standard Oil Dev Co | Polyethylene compositions containing styrene-isobutylene copolymers |
CH310835A (de) * | 1951-09-03 | 1955-11-15 | Universal Oil Prod Co | Verfahren zur Herstellung eines Polyäthylens von wachsartiger Konsistenz. |
US2698309A (en) * | 1952-04-16 | 1954-12-28 | Standard Oil Dev Co | Paper coating wax |
US2770609A (en) * | 1953-08-26 | 1956-11-13 | Du Pont | Polyethylene-oleamide composition |
BE551931A (nl) * | 1953-12-21 | |||
US2801225A (en) * | 1954-10-21 | 1957-07-30 | Union Carbide & Carbon Corp | Odor inhibited polyethylene |
-
0
- BE BE570481D patent/BE570481A/xx unknown
- NL NL230603D patent/NL230603A/xx unknown
- NL NL107145D patent/NL107145C/xx active
-
1957
- 1957-08-21 US US679534A patent/US2956035A/en not_active Expired - Lifetime
-
1958
- 1958-08-16 DE DEU5546A patent/DE1210177B/de active Pending
- 1958-08-20 GB GB26726/58A patent/GB851975A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1210177B (de) | 1966-02-03 |
BE570481A (nl) | 1900-01-01 |
GB851975A (en) | 1960-10-19 |
US2956035A (en) | 1960-10-11 |
NL107145C (nl) | 1900-01-01 |