ZA792254B - Plasticised film of partially acetalized polyvinyl alcohols - Google Patents
Plasticised film of partially acetalized polyvinyl alcoholsInfo
- Publication number
- ZA792254B ZA792254B ZA792254A ZA792254A ZA792254B ZA 792254 B ZA792254 B ZA 792254B ZA 792254 A ZA792254 A ZA 792254A ZA 792254 A ZA792254 A ZA 792254A ZA 792254 B ZA792254 B ZA 792254B
- Authority
- ZA
- South Africa
- Prior art keywords
- polyvinyl alcohols
- acetalized polyvinyl
- partially acetalized
- plasticised
- film
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10605—Type of plasticiser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- 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
- C08K5/49—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2369/00—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/28—Non-macromolecular organic substances
- C08L2666/34—Oxygen-containing compounds, including ammonium and metal salts
-
- 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]
- Y10T428/31507—Of polycarbonate
-
- 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]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31627—Next to aldehyde or ketone condensation product
- Y10T428/3163—Next to acetal of polymerized unsaturated alcohol [e.g., formal butyral, 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31859—Next to an aldehyde or ketone condensation product
-
- 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]
- Y10T428/31942—Of aldehyde or ketone condensation product
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Joining Of Glass To Other Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782820780 DE2820780A1 (de) | 1978-05-12 | 1978-05-12 | Weichmacherhaltige folien aus teilacetalisierten polyvinylalkoholen |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA792254B true ZA792254B (en) | 1980-05-28 |
Family
ID=6039210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA792254A ZA792254B (en) | 1978-05-12 | 1979-05-09 | Plasticised film of partially acetalized polyvinyl alcohols |
Country Status (17)
Country | Link |
---|---|
US (1) | US4361625A (ko) |
JP (1) | JPS5820977B2 (ko) |
AR (1) | AR218133A1 (ko) |
AU (1) | AU528457B2 (ko) |
BE (1) | BE876187A (ko) |
BR (1) | BR7902893A (ko) |
CA (1) | CA1144467A (ko) |
CS (1) | CS222672B2 (ko) |
DE (1) | DE2820780A1 (ko) |
FR (1) | FR2425463B1 (ko) |
GB (1) | GB2022098B (ko) |
IE (1) | IE48414B1 (ko) |
IN (1) | IN151419B (ko) |
IT (1) | IT1164682B (ko) |
MX (1) | MX153543A (ko) |
SU (1) | SU929012A3 (ko) |
ZA (1) | ZA792254B (ko) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3128530A1 (de) * | 1981-07-18 | 1983-02-03 | Dynamit Nobel Ag, 5210 Troisdorf | Weichmacherhaltige folien aus teilacetalisierten polyvinylalkoholen |
DE3303111A1 (de) * | 1983-01-31 | 1984-08-02 | Hoechst Ag, 6230 Frankfurt | Thermoplastische formmassen aus weichmacherhaltigem polyvinylbutyral |
US4550058A (en) * | 1983-10-31 | 1985-10-29 | General Electric Company | Soft top coated shaped polycarbonate article |
US4634395A (en) * | 1984-03-22 | 1987-01-06 | Donald Burchett | Inflatable elastomeric balloons having increased buoyant lifetimes |
DE3417653A1 (de) * | 1984-05-12 | 1985-11-14 | Hoechst Ag, 6230 Frankfurt | Weichmacherhaltige thermoplastische polyvinylbutyralformmassen mit reduziertem haftvermoegen an glas |
GB8828634D0 (en) * | 1988-12-08 | 1989-01-11 | Glaverbel | Composite glazing panel |
DE3909876A1 (de) * | 1989-03-25 | 1990-09-27 | Huels Troisdorf | Formmasse zur herstellung von folien fuer verbundsicherheitsscheiben |
US5100944A (en) * | 1990-08-14 | 1992-03-31 | National Starch And Chemical Investment Holding Corporation | Use of ethylene glycol diacetate in waterborne adhesives |
US5383806A (en) * | 1993-03-30 | 1995-01-24 | Continental American Corporation | Inflatable balloons with anti-blooming and anti-fogging coatings |
US5556905A (en) * | 1994-03-30 | 1996-09-17 | Reilly Industries, Inc. | Physically-modified degradable thermoplastic compositions |
JP3428150B2 (ja) * | 1994-07-08 | 2003-07-22 | 株式会社日立製作所 | 軽水炉炉心及び燃料集合体 |
DE19756274A1 (de) * | 1997-12-18 | 1999-06-24 | Huels Troisdorf | Weichmacherhaltige Folie aus teilacetalisierten Polyvinylalkoholen |
US6270887B1 (en) * | 1998-02-23 | 2001-08-07 | Morgan Adhesives Company | Breathable film cover for window structures |
DE10100681B4 (de) | 2001-01-09 | 2005-11-24 | Kuraray Specialities Europe Gmbh | Weichmacherhaltige Polyvinylbutyrale, Verfahren zu deren Herstellung sowie deren Verwendung, insbesondere zur Herstellung von Folien zum Einsatz in Verbundsicherheitsgläsern |
DE10206717B4 (de) * | 2002-02-18 | 2014-03-13 | Webasto Ag | Glasdeckel mit Splitterschutzfolie |
DE10343385A1 (de) * | 2003-09-19 | 2005-04-14 | Kuraray Specialities Europe Gmbh | Polyvinylacetal-haltige Zusammensetzungen, Folien und Verbundgläser sowie Verfahren zu deren Herstellung |
US7022406B1 (en) | 2004-03-24 | 2006-04-04 | Morgan Adhesives Company | Breathable film cover for window panes |
DE102004043907A1 (de) * | 2004-09-10 | 2006-03-16 | Kuraray Specialities Europe Gmbh | Weichmacherhaltige PVB-Folien mit Etherbindungen enthaltenden Carbonsäureestern als Co-Weichmacher |
DE102004000053A1 (de) * | 2004-11-23 | 2006-05-24 | Kuraray Specialities Europe Gmbh | Verbundverglasungen mit hoher Energieaufnahme und hierfür geeignete Zwischenschichtfolien |
US7375167B2 (en) * | 2005-05-09 | 2008-05-20 | Basf Se | Hydrolysis-resistance composition |
US8216683B2 (en) * | 2007-08-03 | 2012-07-10 | Solutia Inc. | Interlayers comprising stabilized tungsten oxide agents |
RU2012100941A (ru) * | 2012-01-11 | 2013-07-20 | Юрий Николаевич Дубов | Способ применения полимерного материала |
US20140363652A1 (en) * | 2013-06-10 | 2014-12-11 | Solutia Inc. | Polymer interlayers having improved optical properties |
US10252500B2 (en) | 2014-10-02 | 2019-04-09 | Solutia Inc. | Multiple layer interlayer resisting defect formation |
US9355631B2 (en) | 2014-10-15 | 2016-05-31 | Solutia Inc. | Multilayer interlayer having sound damping properties over a broad temperature range |
US9809010B2 (en) | 2014-10-15 | 2017-11-07 | Solutia Inc. | Multilayer interlayer having sound damping properties over a broad temperature range |
US20160159051A1 (en) | 2014-12-08 | 2016-06-09 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9809009B2 (en) | 2014-12-08 | 2017-11-07 | Solutia Inc. | Multiple layer interlayer having improved optical and sound insulation properties |
US9522517B2 (en) | 2014-12-08 | 2016-12-20 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9925746B2 (en) | 2014-12-08 | 2018-03-27 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9975315B2 (en) | 2014-12-08 | 2018-05-22 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US10005899B2 (en) | 2014-12-08 | 2018-06-26 | Solutia Inc. | Blends of poly(vinyl acetal) resins for compositions, layers, and interlayers having enhanced optical properties |
US9809695B2 (en) | 2014-12-08 | 2017-11-07 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9840617B2 (en) | 2014-12-08 | 2017-12-12 | Solutia Inc. | Blends of poly(vinyl acetal) resins for compositions, layers, and interlayers having enhanced optical properties |
US9809006B2 (en) | 2014-12-08 | 2017-11-07 | Solutia Inc. | Polymer interlayers having improved sound insulation properties |
US9963583B2 (en) | 2014-12-08 | 2018-05-08 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US10354636B2 (en) | 2014-12-08 | 2019-07-16 | Solutia Inc. | Polymer interlayers having improved sound insulation properties |
KR102552229B1 (ko) * | 2014-12-08 | 2023-07-05 | 솔루티아인코포레이티드 | 개선된 광학 특성을 갖는 폴리(비닐 아세탈) 수지 조성물, 층 및 중간층 |
US9815976B2 (en) | 2014-12-08 | 2017-11-14 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9586387B2 (en) | 2014-12-08 | 2017-03-07 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9884957B2 (en) | 2014-12-08 | 2018-02-06 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9587086B2 (en) | 2014-12-08 | 2017-03-07 | Eastman Chemical Company | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US10553193B2 (en) | 2014-12-08 | 2020-02-04 | Solutia Inc. | Polymer interlayers having improved sound insulation properties |
US9573329B2 (en) | 2014-12-08 | 2017-02-21 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
US9586386B2 (en) | 2014-12-08 | 2017-03-07 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties |
CN108032579B (zh) * | 2017-11-30 | 2020-05-12 | 浙江德斯泰新材料股份有限公司 | 一种内增塑的隔音pvb胶片及制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2290193A (en) * | 1936-11-27 | 1942-07-21 | Monsanto Chemicals | Laminated glass |
US2222490A (en) * | 1937-12-29 | 1940-11-19 | Carbide & Carbon Chem Corp | Plastic composition |
BE795793A (fr) * | 1972-02-22 | 1973-08-22 | Hoechst Ag | Polybutyral de vinyle stabilise et stabilisant pour polybutyral de vinyle |
JPS5726297B2 (ko) * | 1972-12-07 | 1982-06-03 | ||
US3841955A (en) * | 1972-12-07 | 1974-10-15 | Monsanto Co | Plasticized polyvinyl butyral interlayers |
US4144376A (en) * | 1974-03-02 | 1979-03-13 | Dynamit Nobel Aktiengesellschaft | Process for the production of modified, partially acetalized polyvinyl alcohol films |
-
1978
- 1978-05-12 DE DE19782820780 patent/DE2820780A1/de active Granted
-
1979
- 1979-03-27 MX MX177080A patent/MX153543A/es unknown
- 1979-05-09 FR FR7911784A patent/FR2425463B1/fr not_active Expired
- 1979-05-09 ZA ZA792254A patent/ZA792254B/xx unknown
- 1979-05-09 GB GB7916062A patent/GB2022098B/en not_active Expired
- 1979-05-10 US US06/037,771 patent/US4361625A/en not_active Expired - Lifetime
- 1979-05-10 IN IN485/CAL/79A patent/IN151419B/en unknown
- 1979-05-10 JP JP54056388A patent/JPS5820977B2/ja not_active Expired
- 1979-05-10 IT IT48997/79A patent/IT1164682B/it active
- 1979-05-10 SU SU792762947A patent/SU929012A3/ru active
- 1979-05-10 AR AR276466A patent/AR218133A1/es active
- 1979-05-11 BE BE0/195102A patent/BE876187A/xx not_active IP Right Cessation
- 1979-05-11 AU AU46991/79A patent/AU528457B2/en not_active Ceased
- 1979-05-11 CA CA000327580A patent/CA1144467A/en not_active Expired
- 1979-05-11 BR BR7902893A patent/BR7902893A/pt unknown
- 1979-05-11 CS CS793233A patent/CS222672B2/cs unknown
- 1979-08-08 IE IE935/79A patent/IE48414B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT1164682B (it) | 1987-04-15 |
DE2820780C2 (ko) | 1988-11-03 |
BE876187A (fr) | 1979-09-03 |
AU528457B2 (en) | 1983-04-28 |
IE48414B1 (en) | 1985-01-09 |
BR7902893A (pt) | 1979-12-04 |
AU4699179A (en) | 1979-11-15 |
FR2425463B1 (fr) | 1986-06-27 |
IT7948997A0 (it) | 1979-05-10 |
JPS54149755A (en) | 1979-11-24 |
CA1144467A (en) | 1983-04-12 |
MX153543A (es) | 1986-11-12 |
FR2425463A1 (fr) | 1979-12-07 |
CS222672B2 (en) | 1983-07-29 |
AR218133A1 (es) | 1980-05-15 |
US4361625A (en) | 1982-11-30 |
SU929012A3 (ru) | 1982-05-15 |
JPS5820977B2 (ja) | 1983-04-26 |
IN151419B (ko) | 1983-04-16 |
GB2022098A (en) | 1979-12-12 |
DE2820780A1 (de) | 1979-11-15 |
IE790935L (en) | 1979-11-12 |
GB2022098B (en) | 1982-09-02 |
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