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Extract from the Register of European Patents

EP About this file: EP0000083

EP0000083 - Use of vinylchloride polymer powders in the manufacture of battery separators [Right-click to bookmark this link]
Former [1981/48]Process for the polymerization of vinyl chloride in aqueous suspension and utilization of the polyvinyl chloride powder thus prepared for the manufacture of battery separators
[1981/48]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 09.12.2024
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
SOLVAY & Cie (Société Anonyme)
Rue du Prince Albert, 33
1050 Bruxelles / BE
[N/P]
Former [1980/12]For all designated states
SOLVAY & Cie (Société Anonyme)
Rue du Prince Albert, 33
B-1050 Bruxelles / BE
Former [1980/12]For all designated states
Société Anonyme dite: SOLVAY & Cie
Rue du Prince Albert, 33
B-1050 Bruxelles / BE
Inventor(s)01 / Petit, André
Rue des Pêchers, 20
B-1120 Bruxelles / BE
[N/P]
Representative(s)Eischen, Roland
Solvay S.A. DCRT-IAM-PI-ID Rue de Ransbeek 310
1120 Bruxelles / BE
[N/P]
Former [1981/48]Eischen, Roland
Solvay & Cie Département de la Propriété Industrielle Rue de Ransbeek 310
B-1120 Bruxelles / BE
Application number, filing date78200027.701.06.1978
Priority number, dateFR1977001779807.06.1977         Original published format: FR 7717798
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0000083
Date:20.12.1978
Language:FR
[N/P]
Type: B1 Patent specification 
No.:EP0000083
Date:02.12.1981
Language:FR
[1981/48]
Search report(s)(Supplementary) European search report - dispatched on:EP09.10.1978
ClassificationIPC:H01M2/16, // C08F14/06, C08F2/18
[1981/48]
CPC:
C08F14/06 (EP,US); H01M50/414 (EP,US); Y02E60/10 (EP);
Y10S526/91 (EP,US); Y10S526/911 (EP,US)
C-Set:
C08F14/06, C08F2/18 (EP,US)
Former IPC [1981/48]C08F14/06, C08F2/18, C08F4/00, // H01M2/16
Designated contracting statesBE,   CH,   DE,   FR,   GB,   LU,   NL,   SE 
TitleGerman:Verwendung von Pulvern aus Vinylchloridpolymeren zur Herstellung von Separatoren für Batterien[1981/48]
English:Use of vinylchloride polymer powders in the manufacture of battery separators[1981/48]
French:Utilisation de poudres de polymères du chlorure de vinyle pour la fabrication de séparateurs de batteries[1981/48]
Former [1981/48]Verfahren zur Polymerisation von Vinylchlorid in wässriger Suspension und Verwendung des nach diesem Verfahren hergestellten Polyvinylchlorid-Pulvers zur Herstellung von Separatoren für Batterien
Former [1981/48]Process for the polymerization of vinyl chloride in aqueous suspension and utilization of the polyvinyl chloride powder thus prepared for the manufacture of battery separators
Former [1981/48]Procédé pour la polymérisation en suspension aqueuse du chlorure de vinyle et utilisation des poudres de polychlorure de vinyle obtenues selon ce procédé pour la fabrication de séparateurs de batteries
Examination procedure09.04.1979Examination requested
03.09.1979Despatch of a communication from the examining division (Time limit: {0})
18.07.1980Despatch of a communication from the examining division (Time limit: M04)
06.11.1980Reply to a communication from the examining division
27.03.1981Despatch of communication of intention to grant (Approval: )
26.05.1981Communication of intention to grant the patent
10.08.1981Fee for grant paid
10.08.1981Fee for publishing/printing paid
Opposition(s)02.09.1982No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
30.05.1980Renewal fee patent year 03
20.06.1981Renewal fee patent year 04
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Lapses during opposition  TooltipNL02.12.1981
SE02.12.1981
CH30.06.1982
LU30.06.1982
[1999/52]
Former [1997/17]NL02.12.1981
SE02.12.1981
CH30.06.1982
Former [1991/48]NL02.12.1981
SE02.12.1981
CH30.06.1982
Former [1983/43]SE02.12.1981
CH30.06.1982
Former [1982/31]SE02.12.1981
Documents cited:SearchJPS5012092  [ ];
 FR2095866  [ ] (SUMITOMO CHEMICAL CO);
 [X]DE2153886  (CHISSO CORP)
    [ ] - CHEMICAL ABSTRACTSvol. 85 (1976) 195271z & JP-A-50 012 092 (YUASA BATTERY)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.