DE2660625C2 - - Google Patents
Info
- Publication number
- DE2660625C2 DE2660625C2 DE2660625A DE2660625A DE2660625C2 DE 2660625 C2 DE2660625 C2 DE 2660625C2 DE 2660625 A DE2660625 A DE 2660625A DE 2660625 A DE2660625 A DE 2660625A DE 2660625 C2 DE2660625 C2 DE 2660625C2
- Authority
- DE
- Germany
- Prior art keywords
- pigment
- resin
- pigment paste
- carrier resin
- acid
- 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
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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8041—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3271
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
- C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/58—Epoxy resins
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8064—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with monohydroxy compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4028—Isocyanates; Thioisocyanates
-
- 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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/443—Polyepoxides
-
- 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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/443—Polyepoxides
- C09D5/4453—Polyepoxides characterised by the nature of the curing agent
-
- 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
- Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S524/901—Electrodepositable compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Molecular Biology (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
Description
- (a) einem epoxyhaltigen organischen Material und
- (b) einem organischen tertiären Aminsäuresalz, das verkappte Isocyanatgruppen enthält, die in der Lage sind, bei erhöhten Temperaturen zu entkappen,
D. H. Parker, Principles of Surface Coating Technology, Interscience Publishers, New York (1965)
R. L. Yates, Electropainting, Robert Draper Ltd., Teddington, England (1966)
H. F. Payne, Organic Coating Technology, Band 2, Wiley and Sons, New York (1961).
2-Hexoxyäthanol 809,6 entionisiertes Wasser 88,0 Monomerenansatz
Methylmethacrylat1320 Äthylacrylat1100 Isobutylmethacrylat1100 Styrol1375 Glycidylmethacrylat 605 tertiär-Dodecylmercaptan (Kettenübertragungsmittel) 99 Katalysatoransatz A
2,2′-(2,4-Dimethylvaleronitril) (Initiator) 50,6 Methylisobutylketon 187,0 2-Phenoxyäthanol 693,0 Katalysatoransatz B
2,2′-(2,4-Dimethylvaleronitril) 5,5 Methylisobutylketon 138,6 Katalysatoransatz C
2,2′-(2,4-Dimethylvaleronitril) 5,5 Methylisobutylketon 138,6 2,6-ditertiär-Butyl-4-methylphenol 5,5
Claims (6)
- (a) einem epoxyhaltigen organischen Material und
- (b) einem organischen tertiären Aminsäuresalz, das verkappte Isocyanatgruppen enthält, die in der Lage sind, bei erhöhten Temperaturen zu entkappen,
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/601,108 US4007154A (en) | 1975-08-01 | 1975-08-01 | Novel pigment paste for cationic electrodeposition |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2660625C2 true DE2660625C2 (de) | 1988-03-24 |
Family
ID=24406253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2660625A Expired DE2660625C2 (de) | 1975-08-01 | 1976-07-30 |
Country Status (3)
Country | Link |
---|---|
US (2) | US4007154A (de) |
CA (1) | CA1071791A (de) |
DE (1) | DE2660625C2 (de) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE31803E (en) * | 1977-12-12 | 1985-01-15 | Wyandotte Paint Products Company | Method for cathodic electrodeposition of coating compositions containing diels-alder adducts |
USRE31616E (en) * | 1977-12-12 | 1984-06-26 | Wyandotte Paint Products | Cathodic electrodeposition coating compositions containing diels-alder adducts |
JPS5527647A (en) * | 1978-08-17 | 1980-02-27 | Nippon Telegraph & Telephone | Paint for forming insulating film of conductive printed circuit board and method of forming insulating film |
US4339368A (en) * | 1978-11-22 | 1982-07-13 | Wyandotte Paint Products Company | Cationic coating compositions containing nitrogen heterocyclic materials |
US4231907A (en) * | 1978-12-22 | 1980-11-04 | Grow Group Inc. | Cathodic electrodeposition compositions employing fatty acid derivatives |
JPS5937029B2 (ja) * | 1979-02-26 | 1984-09-07 | 三菱化学株式会社 | 陰極電着塗装法 |
DE2924756A1 (de) * | 1979-06-20 | 1981-01-29 | Basf Ag | Lackbindemittel und ihre verwendung fuer elektrotauchlacke |
US4253930A (en) * | 1979-07-16 | 1981-03-03 | Nippon Paint Co., Ltd. | Process for electrodepositing cationic compositions |
EP0107089B1 (de) * | 1982-09-30 | 1987-05-06 | Ppg Industries, Inc. | Bindemittel zum Anreiben von Pigmenten |
US4540725A (en) * | 1982-09-30 | 1985-09-10 | Ppg Industries, Inc. | Pigment grinding vehicle |
US4485259A (en) * | 1982-09-30 | 1984-11-27 | Ppg Industries, Inc. | Pigment grinding vehicle |
US4530945A (en) * | 1982-09-30 | 1985-07-23 | Ppg Industries, Inc. | Pigment grinding vehicle |
US4596842A (en) * | 1985-04-15 | 1986-06-24 | Inmont Corporation | Alkanolamine hydroxy-capped epoxy for cathodic electrocoat |
US4612338A (en) * | 1985-04-15 | 1986-09-16 | Basf Corporation, Inmont Divison | Amine capped aliphatic polyepoxide grind resin for use in cathodic electrocoat processes |
US4715898A (en) * | 1986-06-30 | 1987-12-29 | Ppg Industries, Inc. | Sulfonium resins useful as pigment grinding vehicles in cationic electrodeposition |
DE3728762A1 (de) * | 1987-08-28 | 1989-03-09 | Basf Lacke & Farben | Bindemittel fuer die kathodische elektrotauchlackierung |
US4872961A (en) * | 1987-08-28 | 1989-10-10 | The Dow Chemical Company | Corrosion resistant, low temperature cured cathodic electrodeposition coating |
ZA891937B (en) * | 1988-04-04 | 1990-11-28 | Ppg Industries Inc | Pigment grinding vehicles containing quaternary ammonium and ternary sulfonium groups |
DE3825584A1 (de) * | 1988-07-28 | 1990-02-01 | Hoechst Ag | Traegerharz fuer pigmentpasten, seine herstellung und verwendung |
US5035785A (en) * | 1990-02-23 | 1991-07-30 | E. I. Du Pont De Nemours And Company | Nonionic surfactant as a pigment dispersant and film build additive |
US5057557A (en) * | 1990-05-11 | 1991-10-15 | The Dow Chemical Company | Modified epoxy resin compositions |
US5021471A (en) * | 1990-05-11 | 1991-06-04 | The Dow Chemical Company | Modified epoxy resin compositions |
US5074979B1 (en) * | 1990-06-20 | 1995-02-28 | Ppg Industries Inc | Cationic resin containing blocked isocyanate groups suitable for use in electrodeposition |
CZ282509B6 (cs) * | 1992-05-29 | 1997-07-16 | Vianova Resins Aktiengesellschaft | Katalytické, kationové pojivo laku, způsob jeho výroby a jeho použití |
AT398987B (de) * | 1993-09-07 | 1995-02-27 | Vianova Kunstharz Ag | Verfahren zur herstellung von wismutsalze enthaltenden zubereitungen und deren verwendung als katalysatorkomponente in kathodisch abscheidbaren elektrotauchlacken |
US5401790A (en) * | 1994-03-31 | 1995-03-28 | Ppg Industries, Inc. | Waterborne coating compositions having improved smoothness |
DE69506126T3 (de) * | 1994-10-25 | 2002-04-25 | Ppg Industries Ohio, Inc. | Elektrotauchlackzusammensetzungen mit verbesserten härtungseigenschaften |
US5767191A (en) * | 1994-10-25 | 1998-06-16 | Ppg Industries, Inc. | Electrodepositable coating compositions and method for improved cure response |
US5721088A (en) * | 1995-12-20 | 1998-02-24 | Ppg Industries, Inc. | Electrodepositable photoimageable compositions with improved edge coverage |
US5630922A (en) * | 1995-12-26 | 1997-05-20 | Ppg Industries, Inc. | Electrodepositable coating composition containing diorganotin dicarboxylates |
US5804051A (en) * | 1996-08-29 | 1998-09-08 | Ppg Industries, Inc. | Electrodepositable coating compositions containing hydroxamic acid and derivatives thereof, and their use in a method of electrodeposition |
US5908912A (en) * | 1996-09-06 | 1999-06-01 | Ppg Industries Ohio, Inc. | Electrodepositable coating composition containing bismuth and amino acid materials and electrodeposition method |
KR100195758B1 (ko) * | 1996-12-31 | 1999-06-15 | 한영재 | 고기능성 양이온 전착 도장 조성물 및 이의 제조 방법 |
US5968250A (en) * | 1997-06-06 | 1999-10-19 | Engelhard Corporation | Kaolin composition for use electrodeposition paints |
US6017432A (en) * | 1997-07-03 | 2000-01-25 | Ppg Industries Ohio, Inc. | Electrodepositable coating compositions and their use in a method of cationic electrodeposition |
US6017431A (en) * | 1997-07-17 | 2000-01-25 | Ppg Industries Ohio, Inc. | Cationic electrodepositable coating composition and bath thereof and process for retarding the growth of bacteria for such a bath |
DE19933094A1 (de) * | 1999-07-15 | 2001-01-18 | Herberts Gmbh & Co Kg | Pigmentpasten, deren Herstellung und diese enthaltende kathodisch abscheidbare Überzugsmittel |
US20030054193A1 (en) * | 2001-02-05 | 2003-03-20 | Mccollum Gregory J. | Photodegradation-resistant electrodepositable coating compositions and processes related thereto |
US7605194B2 (en) * | 2003-06-24 | 2009-10-20 | Ppg Industries Ohio, Inc. | Aqueous dispersions of polymer-enclosed particles, related coating compositions and coated substrates |
US20050212159A1 (en) * | 2004-03-25 | 2005-09-29 | Richards George E | Process for manufacturing powder coating compositions introducing hard to incorporate additives and/or providing dynamic color control |
US7666338B2 (en) * | 2004-03-25 | 2010-02-23 | Ppg Industries Ohio, Inc. | Focused heat extrusion process for manufacturing powder coating compositions |
US20050213423A1 (en) * | 2004-03-25 | 2005-09-29 | Ferencz Joseph M | Apparatus for manufacturing thermosetting powder coating compositions with dynamic control including low pressure injection system |
US20100184911A1 (en) * | 2009-01-22 | 2010-07-22 | Ppg Industries Ohio, Inc. | Aqueous dispersions of polymer-enclosed particles, related coating compositions and coated substrates |
KR100891156B1 (ko) * | 2007-01-16 | 2009-04-06 | 주식회사 케이씨씨 | 안료 분산용 양이온 수지 및 그를 포함하는 전착 도료조성물 |
DE102007005720A1 (de) * | 2007-01-31 | 2008-08-07 | Byk-Chemie Gmbh | Epoxid-Amin-Addukte als Dispergier- und Netzmittel |
US20120024703A1 (en) | 2010-07-28 | 2012-02-02 | Ppg Industries Ohio, Inc. | Compositions useful for electrocoating metal substrates and electrodeposition processes using the coatings |
US8845873B2 (en) | 2011-09-30 | 2014-09-30 | Ppg Industries Ohio, Inc. | Near neutral buoyancy texture additive for electrodepositable coating compositions and associated methods for forming textured coated substrates |
KR101735221B1 (ko) | 2012-06-18 | 2017-05-12 | 피피지 인더스트리즈 오하이오 인코포레이티드 | 금속 기재 코팅에 유용한 이중-경화 조성물 및 이 조성물을 사용하는 방법 |
US20140131212A1 (en) | 2012-11-12 | 2014-05-15 | Ppg Industries Ohio, Inc. | Electrodepositable coating compositions containing dimethyl catalyst |
US20140255702A1 (en) | 2013-03-05 | 2014-09-11 | Ppg Industries Ohio, Inc. | Electrodepositable film-forming compositions capable of forming stratified films, and their use in compact processes |
US20160177022A1 (en) | 2014-12-18 | 2016-06-23 | Axalta Coating Systems Ip Co., Llc | Crosslinking components for electrocoat compositions, electrocoat compositions, and processes for forming a layer of an electrocoat composition on a surface of a substrate |
DE102015122034A1 (de) | 2015-12-16 | 2017-06-22 | Ferro Gmbh | Thermoplastische Siebdruckpaste |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3925180A (en) * | 1972-04-28 | 1975-12-09 | Ppg Industries Inc | Electrodeposition process using a novel pigment dispersant |
US3936405A (en) * | 1972-08-16 | 1976-02-03 | Ppg Industries, Inc. | Novel pigment grinding vehicles |
US3935087A (en) * | 1972-12-22 | 1976-01-27 | Ppg Industries, Inc. | Method for electrodeposition of self-crosslinking cationic compositions |
-
1975
- 1975-08-01 US US05/601,108 patent/US4007154A/en not_active Expired - Lifetime
-
1976
- 1976-06-17 CA CA255,154A patent/CA1071791A/en not_active Expired
- 1976-07-30 DE DE2660625A patent/DE2660625C2/de not_active Expired
- 1976-11-03 US US05/738,785 patent/US4081343A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
NICHTS ERMITTELT * |
Also Published As
Publication number | Publication date |
---|---|
US4081343A (en) | 1978-03-28 |
US4007154A (en) | 1977-02-08 |
CA1071791A (en) | 1980-02-12 |
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Legal Events
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