GB1534092A - Phosphorus containing phenanthrene derivatives - Google Patents
Phosphorus containing phenanthrene derivativesInfo
- Publication number
- GB1534092A GB1534092A GB42791/76A GB4279176A GB1534092A GB 1534092 A GB1534092 A GB 1534092A GB 42791/76 A GB42791/76 A GB 42791/76A GB 4279176 A GB4279176 A GB 4279176A GB 1534092 A GB1534092 A GB 1534092A
- Authority
- GB
- United Kingdom
- Prior art keywords
- optionally substituted
- group optionally
- hydrocarbon group
- cooh
- compounds
- 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.)
- Expired
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052698 phosphorus Inorganic materials 0.000 title abstract 2
- 239000011574 phosphorus Substances 0.000 title abstract 2
- 125000001792 phenanthrenyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 title 1
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 5
- 125000000896 monocarboxylic acid group Chemical group 0.000 abstract 3
- 229920000728 polyester Polymers 0.000 abstract 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- 239000003063 flame retardant Substances 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 150000003018 phosphorus compounds Chemical class 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/657163—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom
- C07F9/657172—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: (X = O, S)
-
- 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
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/06—Organic materials
- C09K21/12—Organic materials containing phosphorus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12416475A JPS5247891A (en) | 1975-10-14 | 1975-10-14 | Phosphorus-containing flame retarders |
| JP51006924A JPS582240B2 (ja) | 1976-01-23 | 1976-01-23 | 新規含リン化合物 |
| JP1508876A JPS5298395A (en) | 1976-02-13 | 1976-02-13 | Phosphorus-containing incombustible agent |
| JP1509076A JPS5922717B2 (ja) | 1976-02-13 | 1976-02-13 | 新規な有機リン化合物 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1534092A true GB1534092A (en) | 1978-11-29 |
Family
ID=27454598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB42791/76A Expired GB1534092A (en) | 1975-10-14 | 1976-10-14 | Phosphorus containing phenanthrene derivatives |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4127590A (enExample) |
| CA (1) | CA1077499A (enExample) |
| DE (2) | DE2646218C3 (enExample) |
| FR (1) | FR2327996A1 (enExample) |
| GB (1) | GB1534092A (enExample) |
| IT (1) | IT1078706B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1090922A3 (en) * | 1999-10-08 | 2001-09-19 | Toyo Boseki Kabushiki Kaisha | Organophosphorous composition, method of producing organophosphorous compound, polyester composition and method of producing the same |
Families Citing this family (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53128195A (en) * | 1977-04-15 | 1978-11-08 | Sanko Kaihatsu Kagaku Kenkiyuu | Flame retarder |
| JPS5912693B2 (ja) * | 1978-05-24 | 1984-03-24 | 株式会社三光開発科学研究所 | 難燃剤 |
| IT1130965B (it) * | 1979-03-19 | 1986-06-18 | Sanko Kaihatsu Kagaku Kenk | Agente ritardanti di fiamma |
| JPS60126293A (ja) * | 1983-12-09 | 1985-07-05 | Sanko Kaihatsu Kagaku Kenkyusho:Kk | 環状有機りん化合物及びその製造方法 |
| JPS6257984A (ja) * | 1985-08-29 | 1987-03-13 | 帝人株式会社 | 防炎性合成繊維 |
| DE4328800A1 (de) * | 1993-08-27 | 1995-03-02 | Hoechst Ag | Pillarm und schwer entflammbar modifizierte Polyester, Verfahren zu ihrer Herstellung und daraus geformte Gebilde |
| DE4334492A1 (de) * | 1993-10-09 | 1995-04-13 | Hoechst Ag | Pillarme und schwer entflammbare, Phosphor und Silizium enthaltende Polyester-Mischungen, Verfahren zu ihrer Herstellung und daraus geformte Gebilde |
| DE4402710A1 (de) * | 1994-01-29 | 1995-08-03 | Hoechst Ag | Verfahren zur Herstellung phosphorhaltiger Dicarbonsäurealkylester und Dicarbonsäuren |
| DE4436079A1 (de) | 1994-10-10 | 1996-04-11 | Hoechst Ag | Verfahren zur Herstellung phosphorhaltiger Dicarbonsäuren |
| US5530088A (en) * | 1995-06-21 | 1996-06-25 | Industrial Technology Research Institute | Heat resistant phosphorus-containing polymeric flame retardant and process for preparing the same |
| DE19613064C2 (de) * | 1996-04-01 | 1998-12-17 | Clariant Gmbh | Phosphormodifizierte Epoxidharzmischungen aus Epoxidharzen, phosphorhaltigen Verbindungen und einem Härter, Verfahren zu ihrer Herstellung und ihre Verwendung |
| DE19613063C2 (de) * | 1996-04-01 | 1998-09-17 | Clariant Gmbh | Phosphormodifizierte Epoxidharze und ein Verfahren zu ihrer Herstellung |
| DE19619095A1 (de) | 1996-05-06 | 1997-11-13 | Schill & Seilacher | Flammfeste Epoxidharze und Flammschutzmittel für Epoxidharze |
| DE19711523C2 (de) * | 1997-03-19 | 2000-06-29 | Schill & Seilacher | Verfahren zur Herstellung eines DOP-ITS-Addukts und dessen Verwendung |
| DE19933932B4 (de) * | 1999-07-20 | 2006-06-14 | Schill + Seilacher Ag | Verfahren zur Herstellung von DOP und danach hergestelltes DOP mit reduziertem OPP-Gehalt |
| EP1101785A1 (de) * | 1999-11-15 | 2001-05-23 | Alcatel | Hohl- oder Bündelader |
| WO2002042374A1 (en) * | 2000-11-27 | 2002-05-30 | Kolon Industries Inc. | Flame retardant polybutyleneterephthalate resin |
| JP3926328B2 (ja) * | 2001-07-19 | 2007-06-06 | 株式会社カネカ | 人工毛髪 |
| US7186784B2 (en) * | 2001-09-20 | 2007-03-06 | Nof Corporation | Phosphorus-containing carboxylic acid derivatives process for preparations thereof and flame retardant |
| DE10203969C1 (de) * | 2002-01-31 | 2003-10-02 | Thueringisches Inst Textil | Verfahren zur Herstellung mehrfach DOPO-haltiger organischer Verbindungen und ihre Verwendung |
| US20050245647A1 (en) * | 2002-02-22 | 2005-11-03 | Kaneka Corporation | Flame-retardant polyester fiber and artificial hair comprising the same |
| WO2004113355A1 (de) | 2003-06-18 | 2004-12-29 | Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. | Verfahren zur herstellung mehrfach dopo-haltiger organischer verbindungen und ihre verwendung |
| DE10330774A1 (de) * | 2003-07-08 | 2005-03-03 | Schill + Seilacher Ag | Flammhemmend modifizierte, phosphorhaltige Copolyester, deren Verwendung und Verfahren zu ihrer Herstellung |
| EP1693403A4 (en) * | 2003-12-09 | 2010-07-07 | Toyo Boseki | THERMOPLASTIC RESIN COMPOSITION FOR MASTER MIXTURE, PROCESS FOR PRODUCING MOLDING MATERIAL CONTAINING THE SAME, THERMOPLASTIC RESIN COMPOSITION OBTAINED USING THE SAME, AND PROCESS FOR PRODUCING THE SAME |
| JP4835975B2 (ja) * | 2003-12-26 | 2011-12-14 | 東洋紡績株式会社 | 含リン難燃剤の製造方法、含リン難燃剤、難燃性ポリエステル及び難燃性ポリエステルの製造方法 |
| US8211542B2 (en) | 2004-09-07 | 2012-07-03 | Kaneka Corporation | Artificial hair made of flame-retardant polyester |
| CN101065417B (zh) * | 2004-11-24 | 2011-04-20 | 东洋纺织株式会社 | 阻燃性聚酯及其制造方法 |
| DE102005005879A1 (de) * | 2005-02-09 | 2006-08-17 | Schill + Seilacher "Struktol" Ag | Stickstoffhaltige verbrückte Derivate von 6H-Dibenz[c,e][1,2]-oxaphosphorin-6-oxiden, Verfahren zu ihrer Herstellung sowie ihre Verwendung |
| DE102005005862A1 (de) * | 2005-02-09 | 2006-08-17 | Schill + Seilacher "Struktol" Ag | Aminoderivate von Dibenz[c,e][1,2]-oxaphosphorin-6-oxiden, Verfahren zu ihrer Herstellung und Verwendung |
| DE102006015084A1 (de) * | 2006-03-31 | 2007-10-04 | Schill + Seilacher "Struktol" Ag | Halogenfreie flammgeschützte Epoxidharz-Formulierungen |
| DE102008009298B4 (de) | 2008-02-15 | 2011-04-14 | Schill + Seilacher "Struktol" Aktiengesellschaft | Härtbare Epoxidharzformulierungen mit Polyester-Flammschutzmittel |
| DE102008012806A1 (de) * | 2008-03-06 | 2009-09-10 | Schill + Seilacher Ag | Halogenfreie Flammschutzmittel |
| EP2288469B1 (en) | 2008-05-27 | 2013-04-10 | AWDS Technologies SRL | Wire guiding system |
| ES2391485T3 (es) | 2008-10-07 | 2012-11-27 | Sidergas Spa | Tapa para contenedor de alambre de soldadura |
| DE102009005967A1 (de) * | 2009-01-23 | 2010-07-29 | Domo Caproleuna Gmbh | Licht- und wärmestabilisierte Polyamide und Verfahren zu ihrer Herstellung |
| ATE542446T1 (de) * | 2009-02-03 | 2012-02-15 | Sympatex Technologies Gmbh | Atmungsaktiver polymerfilm |
| CA2767884A1 (en) | 2009-07-20 | 2011-01-27 | Awds Technologies Srl | A wire guiding liner, an particular a welding wire liner, with biasing means between articulated guiding bodies |
| DE102009037631A1 (de) | 2009-08-14 | 2011-02-17 | Schill + Seilacher "Struktol" Gmbh | Phosphorhaltiges Flammschutzmittel |
| US8389901B1 (en) | 2010-05-27 | 2013-03-05 | Awds Technologies Srl | Welding wire guiding liner |
| US8575295B2 (en) | 2010-12-16 | 2013-11-05 | Basf Se | Glow-wire resistant polyamides |
| TWI408144B (zh) * | 2010-12-30 | 2013-09-11 | Univ Nat Chunghsing | 難燃聚酯共聚物 |
| DE102011116178A1 (de) | 2011-10-14 | 2013-04-18 | Schill + Seilacher "Struktol" Gmbh | Halogenfreies, phosphorhaltiges Flammschutzmittel |
| DE102011118490B4 (de) | 2011-11-11 | 2014-05-15 | Schill + Seilacher "Struktol" Gmbh | Halogenfreie, flammfeste Epoxidharz-Zusammensetzungen und deren Verwendung |
| ES2452918T3 (es) * | 2011-11-24 | 2014-04-03 | Ems-Patent Ag | Fibras de polímero retardadoras de llama y su uso así como tejido textil que contiene estas fibras de polímero |
| US8882018B2 (en) | 2011-12-19 | 2014-11-11 | Sidergas Spa | Retainer for welding wire container and welding wire container with retainer |
| DE102012204642A1 (de) | 2012-03-22 | 2013-09-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Phosphorhaltige ungesättigte Polyester, Polyesterharze und ggf. faserverstärkte Bauteile daraus |
| CN102827332B (zh) * | 2012-08-27 | 2014-09-10 | 华南理工大学 | 一种紫外光固化透明无卤阻燃不饱和聚酯及其制备方法 |
| CN102875982A (zh) * | 2012-10-15 | 2013-01-16 | 宁波优科泰科技发展有限公司 | 原位改性无卤阻燃热塑性树脂组合物及其制备方法 |
| USD978375S1 (en) | 2013-03-13 | 2023-02-14 | Abbott Laboratories | Reagent container |
| DE102013204550A1 (de) | 2013-03-15 | 2014-09-18 | Evonik Industries Ag | Verwendung von Polyestern mit inhärentem Flammschutz in Kleb- und Dichtstoffen |
| EP2978793B1 (de) | 2013-03-28 | 2017-05-10 | Deutsche Institute für Textil- und Faserforschung Denkendorf | Flammfestes polyamid, ein verfahren zu dessen herstellung sowie dessen verwendung |
| CN104211954B (zh) * | 2013-05-30 | 2016-10-05 | 辽宁银珠化纺集团有限公司 | 一种无卤阻燃尼龙66聚合物的制备方法 |
| US10294065B2 (en) | 2013-06-06 | 2019-05-21 | Sidergas Spa | Retainer for a welding wire container and welding wire container |
| DE102014109993A1 (de) | 2013-07-16 | 2015-01-22 | Deutsche Institute Für Textil- Und Faserforschung Denkendorf | Verfahren zur Herstellung von flammgeschützten Copolyamiden, die danach erhältlichen Polyamidgarne sowie deren Verwendung |
| DE202013103502U1 (de) | 2013-08-05 | 2013-10-04 | Carl Weiske Gmbh & Co.Kg | Kunststoffzusammensetzung und diese enthaltende Fasern mit hoher Lichtechtheit und Flammbeständigkeit |
| CN104419003B (zh) * | 2013-09-04 | 2018-09-11 | 广州熵能创新材料股份有限公司 | 一种含磷杂菲聚酰胺阻燃剂及其制备和应用 |
| CN103694468B (zh) * | 2014-01-14 | 2016-03-16 | 株洲时代新材料科技股份有限公司 | 一种尼龙树脂及其制备方法 |
| CN103819666B (zh) * | 2014-02-20 | 2017-01-25 | 株洲时代新材料科技股份有限公司 | 一种高阻燃性尼龙树脂及其制备方法 |
| CN103881333B (zh) * | 2014-03-27 | 2016-02-03 | 盘锦职业技术学院 | 一种dopo基的无卤阻燃pbt树脂制备方法 |
| US10343231B2 (en) | 2014-05-28 | 2019-07-09 | Awds Technologies Srl | Wire feeding system |
| EP2985335A1 (de) | 2014-08-15 | 2016-02-17 | LANXESS Deutschland GmbH | Flammwidrige Polyurethanschaumstoffe mit geringer Kernverfärbung |
| US10010962B1 (en) | 2014-09-09 | 2018-07-03 | Awds Technologies Srl | Module and system for controlling and recording welding data, and welding wire feeder |
| EP3064540B1 (de) * | 2015-03-05 | 2018-05-23 | LANXESS Deutschland GmbH | Flammwidrige cellulose-ester-zubereitungen |
| US10350696B2 (en) | 2015-04-06 | 2019-07-16 | Awds Technologies Srl | Wire feed system and method of controlling feed of welding wire |
| US9950857B1 (en) | 2016-10-17 | 2018-04-24 | Sidergas Spa | Welding wire container |
| CN106750270A (zh) * | 2016-12-08 | 2017-05-31 | 四川东材科技集团股份有限公司 | 一种n‑p协效阻燃尼龙66及其制备方法 |
| US12247121B2 (en) | 2019-03-11 | 2025-03-11 | Von Roll Schweiz Ag | Curable epoxy composition and its use in prepregs and core filling |
| CN110218311B (zh) | 2019-05-09 | 2021-01-12 | 金发科技股份有限公司 | 一种阻燃半芳香聚酰胺及其制备方法 |
| CN110204708B (zh) * | 2019-05-09 | 2020-08-25 | 金发科技股份有限公司 | 一种原位聚合阻燃剂及其制备方法和由其组成的模塑组合物 |
| DE102019219029B4 (de) | 2019-12-06 | 2022-04-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Flammhemmendes Polymer umfassend phosphorhaltige Wiederholungseinheiten, Flammschutz- und Kunststoffzusammensetzung umfassend das flammhemmende Polymer, Verfahren zur Herstellung des flammhemmenden Polymers sowie dessen Verwendung |
| CN111087968B (zh) * | 2020-01-19 | 2022-04-19 | 浙江龙游道明光学有限公司 | 一种耐洗涤阻燃改性粘合剂组合物的制备方法 |
| US11174121B2 (en) | 2020-01-20 | 2021-11-16 | Awds Technologies Srl | Device for imparting a torsional force onto a wire |
| US11278981B2 (en) | 2020-01-20 | 2022-03-22 | Awds Technologies Srl | Device for imparting a torsional force onto a wire |
| EP3967490A1 (en) | 2020-09-09 | 2022-03-16 | Von Roll Schweiz AG | Composite materials with mica based surfacing layer |
| DE102021002539A1 (de) | 2021-05-14 | 2022-11-17 | Schill + Seilacher Gmbh | Verfahren zum Herstellen eines flammgeschützten Polyesters |
| CN115216129B (zh) * | 2022-09-19 | 2023-01-10 | 河北百展科技发展有限公司 | 一种耐热性生物基降解复合材料及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3577381A (en) * | 1968-04-25 | 1971-05-04 | Fmc Corp | Heat stabilization of polyester resin with phenylphosphinic acids |
| US3594347A (en) | 1968-09-05 | 1971-07-20 | Allied Chem | Polyesters containing aryl phosphinates |
| US3676393A (en) | 1968-10-14 | 1972-07-11 | Goodyear Tire & Rubber | Polyesters stabilized by phosphorus compounds |
| US3702878A (en) * | 1969-12-31 | 1972-11-14 | Sanko Chemical Co Ltd | Cyclic organophosphorus compounds and process for making same |
-
1976
- 1976-10-07 US US05/730,512 patent/US4127590A/en not_active Expired - Lifetime
- 1976-10-13 DE DE2646218A patent/DE2646218C3/de not_active Expired
- 1976-10-13 IT IT69470/76A patent/IT1078706B/it active
- 1976-10-13 DE DE2660334A patent/DE2660334C2/de not_active Expired
- 1976-10-13 FR FR7630829A patent/FR2327996A1/fr active Granted
- 1976-10-14 GB GB42791/76A patent/GB1534092A/en not_active Expired
- 1976-10-14 CA CA263,391A patent/CA1077499A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1090922A3 (en) * | 1999-10-08 | 2001-09-19 | Toyo Boseki Kabushiki Kaisha | Organophosphorous composition, method of producing organophosphorous compound, polyester composition and method of producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| US4127590A (en) | 1978-11-28 |
| FR2327996A1 (fr) | 1977-05-13 |
| CA1077499A (en) | 1980-05-13 |
| DE2646218A1 (de) | 1977-04-28 |
| IT1078706B (it) | 1985-05-08 |
| DE2646218B2 (de) | 1980-01-10 |
| FR2327996B1 (enExample) | 1981-07-24 |
| DE2660334C2 (de) | 1986-10-16 |
| DE2646218C3 (de) | 1980-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19961013 |