GB1454388A - Thixotropic compositions and a process for their production - Google Patents

Thixotropic compositions and a process for their production

Info

Publication number
GB1454388A
GB1454388A GB5736473A GB5736473A GB1454388A GB 1454388 A GB1454388 A GB 1454388A GB 5736473 A GB5736473 A GB 5736473A GB 5736473 A GB5736473 A GB 5736473A GB 1454388 A GB1454388 A GB 1454388A
Authority
GB
United Kingdom
Prior art keywords
resin
optionally
binder
mixed
merckens
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
Application number
GB5736473A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merckens C A
MERCKENS NACHF KG AUGUST
Original Assignee
Merckens C A
MERCKENS NACHF KG AUGUST
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AT1049472A external-priority patent/AT331933B/de
Priority claimed from AT274173A external-priority patent/AT331934B/de
Application filed by Merckens C A, MERCKENS NACHF KG AUGUST filed Critical Merckens C A
Publication of GB1454388A publication Critical patent/GB1454388A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09D133/00—Coating compositions 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • 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
    • C08G18/2805—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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3271—Hydroxyamines
    • 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6523—Compounds of group C08G18/3225 or C08G18/3271 or polyamines of C08G18/38
    • C08G18/6529—Compounds of group C08G18/3225 or polyamines of C08G18/38
    • 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
    • C08G18/71—Monoisocyanates or monoisothiocyanates
    • 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
    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • 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
    • C09D5/04—Thixotropic paints
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/02—Polyureas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB5736473A 1972-12-11 1973-12-11 Thixotropic compositions and a process for their production Expired GB1454388A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1049472A AT331933B (de) 1972-12-11 1972-12-11 Verfahren zur thixotropierung von bindemitteln fur lacke und sonstige uberzugsmittel
AT274173A AT331934B (de) 1973-03-28 1973-03-28 Warmestabiles thixotropierungsmittel in warmetrocknenden polymermassen, insbesondere einbrennlacken

Publications (1)

Publication Number Publication Date
GB1454388A true GB1454388A (en) 1976-11-03

Family

ID=25599002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5736473A Expired GB1454388A (en) 1972-12-11 1973-12-11 Thixotropic compositions and a process for their production

Country Status (8)

Country Link
US (1) US4383068A (enExample)
JP (1) JPS4999132A (enExample)
BE (1) BE808467A (enExample)
CA (1) CA1006284A (enExample)
FR (1) FR2327296A1 (enExample)
GB (1) GB1454388A (enExample)
IT (1) IT1005518B (enExample)
NL (1) NL182324C (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164449A (en) * 1989-10-26 1992-11-17 Imperial Chemical Industries Plc Thixotropic binder system for thixotropic coating compositions
GB2289471A (en) * 1994-05-20 1995-11-22 Cray Valley Ltd Coating compositions
WO1998024845A1 (fr) * 1996-12-06 1998-06-11 Cray Valley S.A. Composition thixotrope et son procede de fabrication
US6333370B2 (en) 1998-06-01 2001-12-25 Cray Valley Limited Binder for coating composition
CN102206321A (zh) * 2010-12-31 2011-10-05 西安利澳科技股份有限公司 高防腐快干型树脂
CN111635498A (zh) * 2020-05-11 2020-09-08 上海嘉宝莉涂料有限公司 改性聚脲及其应用

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176864C (nl) * 1976-11-25 1985-06-17 Akzo Nv Werkwijze voor de bereiding van een thixotrope bekledingssamenstelling.
DE3138625C2 (de) * 1981-09-29 1986-02-27 Basf Farben + Fasern Ag, 2000 Hamburg Dispersionen von feinteiligen Kunstharzen in Weichmachern
FR2543150B1 (fr) * 1983-03-21 1986-07-11 Altulor Sa Compositions pour revetement de polymere acrylique et produits finis ainsi revetus
US4522986A (en) * 1984-07-20 1985-06-11 General Motors Corporation Urea flow control agents for urethane paint prepared by reaction of an isocyanate-terminated prepolymer and an ethanolamine
US4540734A (en) * 1984-07-30 1985-09-10 General Motors Corporation Sag control of high solid polyurethane clearcoats by urea thixotrope/acrylic microgel systems
DE3442646C2 (de) * 1984-11-22 1986-10-23 Dr. Alois Stankiewicz GmbH, 3101 Adelheidsdorf Polyvinylchloridfreies Plastisol und seine Verwendung
JPS61190569A (ja) * 1985-02-19 1986-08-25 Dainippon Ink & Chem Inc 塗料用樹脂組成物
DE3517333A1 (de) * 1985-05-14 1986-11-20 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung stabiler dispersionen feinteiliger polyisocyanate und deren verwendung
DE3610729A1 (de) * 1986-03-29 1987-10-01 Bayer Ag Verfahren zur herstellung von thixotropen bindemitteln, die nach diesem verfahren erhaeltlichen bindemittel und ihre verwendung zur herstellung von beschichtungs- und abdichtungsmitteln
JPH0637602B2 (ja) * 1986-09-25 1994-05-18 日本油脂株式会社 塗料用流動性制御剤
DE3724555A1 (de) * 1987-07-24 1989-02-02 Basf Ag Viskositaetsregulierende stoffe fuer einkomponentige polyurethansysteme
US5128433A (en) * 1991-06-04 1992-07-07 Polytek Development Corp. Thixotropic polymer compositions and process for use thereof
DE19810220C2 (de) * 1998-03-10 2001-04-19 Herberts & Co Gmbh Überzugsmittel und deren Verwendung zur Herstellung von Mehrschichtlackierungen
US6111001A (en) * 1998-11-24 2000-08-29 Ppg Industries Ohio, Inc. Compositions containing rheology modifiers with functional group-containing polymers
WO2000037520A1 (en) * 1998-12-22 2000-06-29 Akzo Nobel N.V. Thixotropic amino formaldehyde resin
DE19919482C2 (de) * 1999-04-29 2001-04-26 Byk Chemie Gmbh Verfahren zur Herstellung eines Thixotropie-Mittels und dessen Verwendung
DE19924170A1 (de) 1999-05-25 2000-11-30 Basf Coatings Ag Thixotropierungsmittel
DE19924172A1 (de) 1999-05-25 2000-11-30 Basf Coatings Ag Beschichtungsstoff mit einer Mischung aus Kieselsäuren und Harnstoff und/oder Harnstoffderivaten
DE19924171A1 (de) 1999-05-25 2000-11-30 Basf Coatings Ag Beschichtungsstoff mit einer Mischung aus mindestens einem Netzmittel und Harnstoffen und/oder Harnstoffderivaten als Thixotropiermittel
JP3904349B2 (ja) * 1999-08-05 2007-04-11 三井化学株式会社 揺変性付与剤およびその製造方法
DE19938759A1 (de) 1999-08-16 2001-02-22 Basf Coatings Ag Beschichtungsstoff und seine Verwendung zur Herstellung hochkratzfester mehrschichtiger Klarlackierungen
DE19940855A1 (de) * 1999-08-27 2001-03-01 Basf Coatings Ag Lösemittelhaltiger Beschichtungsstoff und seine Verwendung
DE10042152A1 (de) * 2000-08-26 2002-03-28 Basf Coatings Ag Mit aktinischer Strahlung aktivierbares Thixotropierungsmittel, Verfahren zu seiner Herstellung und seine Verwendung
US6685985B2 (en) 2001-02-09 2004-02-03 Basf Corporation Method of improving the appearance of coated articles having both vertical and horizontal surfaces, and coating compositions for use therein
DE10122390A1 (de) * 2001-05-09 2002-11-28 Basf Coatings Ag Carbamat-und/oder Allophanatgruppen enthaltende, thermisch härtbare, thixotrope Gemische
DE10126647A1 (de) * 2001-06-01 2002-12-12 Basf Coatings Ag Rheologiehilfsmittel, Verfahren zu seiner Herstellung und seine Verwendung
DE10139262C1 (de) * 2001-08-09 2003-01-02 Basf Coatings Ag Rheologiehilfsmittel, Verfahren zu seiner Herstellung und seine Verwendung
US20050154090A1 (en) * 2001-09-05 2005-07-14 Carmen Salvino Polymer composition and method of rapid preparation in situ
US20030050421A1 (en) * 2001-09-05 2003-03-13 Salvino Carmen M. Polymer composition and method of rapid preparation in situ
EP1331249A1 (en) * 2002-01-29 2003-07-30 PPG Industries Ohio, Inc. Mixing scheme and process for the preparation of a refinish coating composition
US7288584B2 (en) * 2002-01-29 2007-10-30 Ppg Industries Ohio, Inc. Mixing scheme and process for the preparation of a refinish coating composition
EP1497387A1 (de) * 2002-04-24 2005-01-19 BASF Coatings Aktiengesellschaft Carbamat- und/oder allophanatgruppen enthaltende, thermisch härtbare, thixotrope gemische
EP1359202A1 (de) * 2002-05-03 2003-11-05 Sika Schweiz AG Hitze-härtbare Epoxydharzzusammensetzung
EP1431325A1 (de) * 2002-12-17 2004-06-23 Sika Technology AG Hitze-härtbare Epoxidharzzusammensetzung mit verbesserter Tieftemperatur-Schlagzähigkeit
EP1498441A1 (de) * 2003-07-16 2005-01-19 Sika Technology AG Hitzehärtende Zusammensetzungen mit Tieftemperatur-Schlagzähigkeitsmodifikatoren
US8686090B2 (en) * 2003-12-10 2014-04-01 Basf Coatings Gmbh Use of urea crystals for non-polymeric coatings
EP1557455A1 (de) * 2004-01-23 2005-07-27 Sika Technology AG Thixotrope reaktive Zusammensetzung
EP1741734A1 (de) * 2005-07-05 2007-01-10 Sika Technology AG Tieftemperaturschlagzähe hitze-härtbare Epoxidharzzusammensetzung mit Epoxidfestharzen
US20070231577A1 (en) * 2006-03-30 2007-10-04 Basf Corporation Coatings for polycarbonate windows
EP1876194A1 (de) * 2006-06-30 2008-01-09 Sika Technology AG Hitzehärtende Zusammensetzung geeignet zum Verkleben von beschichteten Substraten
EP1916269A1 (de) * 2006-10-24 2008-04-30 Sika Technology AG Blockierte Polyurethanprepolymere und hitzehärtende Epoxidharzzusammensetzungen
US7868071B2 (en) * 2007-07-30 2011-01-11 Georgia-Pacific Chemicals Llc Method of stabilizing aqueous cationic polymers
EP2085426B1 (de) * 2008-01-30 2010-10-13 Sika Technology AG Auswaschbeständige hitzehärtende Epoxidharzklebstoffe
JP5436698B2 (ja) * 2010-01-28 2014-03-05 ビイク−ヒエミー ゲゼルシャフト ミツト ベシユレンクテル ハフツング 尿素およびアミド成分を含有する塗料調製物
US9458332B2 (en) 2012-12-15 2016-10-04 Byk-Chemie Gmbh Composition for rheology control
US10377906B2 (en) 2014-04-15 2019-08-13 Byk-Chemie Gmbh Composition for rheology control
US9856384B2 (en) * 2014-07-21 2018-01-02 Axalta Coatings Systems Ip Co., Llc Sag control compositions, methods of forming the same, and methods of forming coating systems using the same
CN104497556A (zh) * 2014-12-01 2015-04-08 上海应用技术学院 一种尼龙成核剂及其制备方法和应用
WO2019096611A1 (en) 2017-11-14 2019-05-23 Basf Se Process for preparing urea urethane polymer
DE102018000418A1 (de) 2018-01-20 2019-07-25 Bürkle Consulting Gmbh Mechanochemisches Verfahren zur Herstellung von von persistenten organischen Schadstoffen und anderen Organohalogenverbindungen freien Wertprodukten aus Abfällen von Kunststoffen und Kunststofflaminaten
EP4200347A1 (en) 2020-08-24 2023-06-28 Basf Se Urea urethane compounds
WO2025157910A1 (en) 2024-01-24 2025-07-31 Basf Se Rheology control additives containing lactone and lactam compound
WO2025157919A1 (en) 2024-01-24 2025-07-31 Basf Se Rheology control additives containing furan compound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278687B (de) * 1959-04-17 1968-09-26 Bayer Ag Verfahren zur Herstellung hochelastischer Faeden oder Fasern aus Isocyanat-Polyadditionsprodukten
US3547848A (en) * 1967-11-03 1970-12-15 Armour Ind Chem Co Thixotropic coating compositions comprising a varnish and a di-substituted urea
US3663506A (en) * 1970-11-18 1972-05-16 Union Carbide Corp Stabilization of urethane polymers with substituted ureas
US3893956A (en) * 1972-12-11 1975-07-08 August Merckens Nachfolger Kom Thixotropic coating agents based on urea adduct of polyamine and diisocyanates

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164449A (en) * 1989-10-26 1992-11-17 Imperial Chemical Industries Plc Thixotropic binder system for thixotropic coating compositions
GB2289471A (en) * 1994-05-20 1995-11-22 Cray Valley Ltd Coating compositions
GB2289471B (en) * 1994-05-20 1998-08-19 Cray Valley Ltd Coating compositions
WO1998024845A1 (fr) * 1996-12-06 1998-06-11 Cray Valley S.A. Composition thixotrope et son procede de fabrication
FR2756833A1 (fr) * 1996-12-06 1998-06-12 Cray Valley Sa Composition thixotrope et son procede de fabrication
US6333370B2 (en) 1998-06-01 2001-12-25 Cray Valley Limited Binder for coating composition
CN102206321A (zh) * 2010-12-31 2011-10-05 西安利澳科技股份有限公司 高防腐快干型树脂
CN102206321B (zh) * 2010-12-31 2013-04-03 西安经建油漆股份有限公司 高防腐快干型树脂
CN111635498A (zh) * 2020-05-11 2020-09-08 上海嘉宝莉涂料有限公司 改性聚脲及其应用

Also Published As

Publication number Publication date
DE2359923A1 (de) 1974-06-20
IT1005518B (it) 1976-09-30
FR2327296B1 (enExample) 1978-03-24
NL7316870A (enExample) 1974-06-13
CA1006284A (en) 1977-03-01
FR2327296A1 (fr) 1977-05-06
JPS4999132A (enExample) 1974-09-19
US4383068A (en) 1983-05-10
NL182324C (nl) 1988-02-16
NL182324B (nl) 1987-09-16
BE808467A (fr) 1974-03-29
DE2359923B2 (de) 1976-11-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19931210