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Extract from the Register of European Patents

EP About this file: EP0070640

EP0070640 - Production of vinyl chloride polymers [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  13.04.1990
Database last updated on 13.09.2024
Most recent event   Tooltip13.04.1990Patent maintained (B2 publication)published on 30.05.1990 [1990/22]
Applicant(s)For all designated states
IMPERIAL CHEMICAL INDUSTRIES PLC
Imperial Chemical House, Millbank
London SW1P 3JF / GB
[1983/04]
Inventor(s)01 / Smallwood, Peter Vincent
88 Pixmore Way
Letchworth, Hertfordshire / GB
02 / Zichy, Erno Laszlo
19 The Holdings
Hatfield Hertfordshire / GB
[1983/04]
Representative(s)Sheller, Alan, et al
ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road
Welwyn Garden City, Herts, AL7 1HD / GB
[N/P]
Former [1983/04]Sheller, Alan, et al
ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road
Welwyn Garden City, Herts, AL7 1HD / GB
Application number, filing date82303492.102.07.1982
[1983/04]
Priority number, dateGB1981002230620.07.1981         Original published format: GB 8122306
[1983/04]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0070640
Date:26.01.1983
Language:EN
[1983/04]
Type: A3 Search report 
No.:EP0070640
Date:16.03.1983
Language:EN
[1983/11]
Type: B1 Patent specification 
No.:EP0070640
Date:07.05.1986
Language:EN
[1986/19]
Type: B2 New European patent specification 
No.:EP0070640
Date:30.05.1990
Language:EN
[1990/22]
Search report(s)(Supplementary) European search report - dispatched on:EP10.01.1983
ClassificationIPC:C08F14/06, C08F2/18
[1983/04]
CPC:
C08F14/06 (EP,US)
C-Set:
C08F14/06, C08F2/20 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1983/04]
TitleGerman:Herstellung von Vinylchlorid Polymeren[1983/04]
English:Production of vinyl chloride polymers[1983/04]
French:Production de polymères de chlorure de vinyle[1983/04]
Examination procedure23.08.1983Examination requested  [1983/44]
29.11.1984Despatch of a communication from the examining division (Time limit: M04)
11.03.1985Reply to a communication from the examining division
30.07.1985Despatch of communication of intention to grant (Approval: )
06.11.1985Communication of intention to grant the patent
21.11.1985Fee for grant paid
21.11.1985Fee for publishing/printing paid
Opposition(s)Opponent(s)01  31.01.1987  07.05.1987  ADMISSIBLE
Hüls Aktiengesellschaft
Patentabteilung/PB 15
D-45764 Marl / DE
 02  06.02.1987  21.05.1987  ADMISSIBLE
DSM Research B.V.
NL-6160 MA Geleen / NL
Opponent's representative
Hoogstraten, Willem Cornelis R.
DSM Patents & Trademarks
Office Geleen
Postbus 9
6160 MA Geleen / NL
 [N/P]
Former [1987/17]
Opponent(s)01  31.01.1987  07.05.1987  ADMISSIBLE
Hüls Aktiengesellschaft
Patentabteilung/PB 15
D-45764 Marl / DE
 02  06.02.1987  21.05.1987  ADMISSIBLE
DSM Research B.V.
NL-6160 MA Geleen / NL
Opponent's representative
Hoogstraten, Willem Cornelis Roeland
OCTROOIBUREAU DSM Postbus 9
NL-6160 MA Geleen / NL
Former [1987/14]
Opponent(s)01  31.01.1987  07.05.1987  ADMISSIBLE
Hüls Aktiengesellschaft
Patentabteilung/PB 15
D-45764 Marl / DE
22.05.1987Invitation to proprietor to file observations on the notice of opposition
20.11.1987Reply of patent proprietor to notice(s) of opposition
20.01.1988Communication of observations of patent proprietor (Time limit: M06)
07.07.1988Reply of parties involved to observations of patent proprietor
17.07.1989Date of oral proceedings
04.09.1989Despatch of interlocutory decision in opposition
04.09.1989Despatch of minutes of oral proceedings
14.09.1989Legal effect of interlocutory decision in opposition
29.12.1989Despatch of communication that the patent will be maintained as amended
14.03.1990Fee for printing new specification paid
Fees paidRenewal fee
15.06.1984Renewal fee patent year 03
08.06.1985Renewal fee patent year 04
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Lapses during opposition  TooltipAT07.05.1986
[1987/20]
Documents cited:Search[A]GB699016  (ICI LTD);
 [A]FR1381970  (SOLVAY)
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.