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Extract from the Register of European Patents

EP About this file: EP0642535

EP0642535 - PROCESS FOR PREPARING LOW DENSITY POROUS CROSS-LINKED POLYMERIC MATERIALS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.08.1997
Database last updated on 13.09.2024
Most recent event   Tooltip09.05.2002Lapse of the patent in a contracting state
New state(s): ES		published on 26.06.2002  [2002/26]
Applicant(s)For all designated states
Shell Oil Company
One Shell Plaza, P.O. Box 2463
Houston, Texas 77252-2463 / US
[N/P]
Former [1995/11]For all designated states
SHELL OIL COMPANY
One Shell Plaza, P.O. Box 2463
Houston, Texas 77252-2463 / US
Inventor(s)01 / BROWNSCOMBE, Thomas, Fairchild
2737 Amherst
Houston, TX 77005 / US
02 / GERGEN, William, Peter
11311 Hylander Drive
Houston, TX 77070 / US
03 / BASS, Ronald, Marshall
3772 Ingold
Houston, TX 77005 / US
04 / MORES, Maryanne
1822 Barker-Cypress
Houston, TX 77084 / US
05 / WONG, Pui, Kwan
6431 Mercer Street
Houston, TX 77005 / US
[1995/11]
Representative(s)Ellis-Jones, Patrick George Armine, et al
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5JJ / GB
[N/P]
Former [1995/11]Ellis-Jones, Patrick George Armine, et al
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
Application number, filing date93907025.623.02.1993
[1995/11]
WO1993US01673
Priority number, dateUS1992089132229.05.1992         Original published format: US 891322
[1995/11]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9324535
Date:09.12.1993
Language:EN
[1993/29]
Type: A1 Application with search report 
No.:EP0642535
Date:15.03.1995
Language:EN
The application published by WIPO in one of the EPO official languages on 09.12.1993 takes the place of the publication of the European patent application.
[1995/11]
Type: B1 Patent specification 
No.:EP0642535
Date:09.10.1996
Language:EN
[1996/41]
Search report(s)International search report - published on:EP09.12.1993
ClassificationIPC:C08F2/32
[1995/11]
CPC:
C08F2/32 (EP,US); C08J9/283 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1995/11]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON PORÖSE VERNETZTE POLYMERE MIT NIEDRIGER DICHTE[1995/11]
English:PROCESS FOR PREPARING LOW DENSITY POROUS CROSS-LINKED POLYMERIC MATERIALS[1995/11]
French:PROCEDE DE PREPARATION DE MATERIAUX POLYMERES POREUX RETICULES BASSE DENSITE[1995/11]
Entry into regional phase21.11.1994National basic fee paid 
21.11.1994Designation fee(s) paid 
21.11.1994Examination fee paid 
Examination procedure28.12.1993Request for preliminary examination filed
International Preliminary Examining Authority: EP
21.11.1994Examination requested  [1995/11]
21.08.1995Despatch of a communication from the examining division (Time limit: M04)
06.11.1995Reply to a communication from the examining division
26.01.1996Despatch of communication of intention to grant (Approval: Yes)
10.04.1996Communication of intention to grant the patent
04.07.1996Fee for grant paid
04.07.1996Fee for publishing/printing paid
Opposition(s)10.07.1997No opposition filed within time limit [1997/40]
Fees paidRenewal fee
10.02.1995Renewal fee patent year 03
08.02.1996Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT09.10.1996
BE09.10.1996
CH09.10.1996
DK09.10.1996
ES09.10.1996
GR09.10.1996
LI09.10.1996
PT09.01.1997
SE09.01.1997
IE23.02.1997
LU28.02.1997
[2002/26]
Former [2001/01]AT09.10.1996
BE09.10.1996
CH09.10.1996
DK09.10.1996
GR09.10.1996
LI09.10.1996
PT09.01.1997
SE09.01.1997
IE23.02.1997
LU28.02.1997
Former [2000/05]AT09.10.1996
BE09.10.1996
CH09.10.1996
DK09.10.1996
GR09.10.1996
LI09.10.1996
PT09.01.1997
SE09.01.1997
LU28.02.1997
Former [1998/15]AT09.10.1996
BE09.10.1996
CH09.10.1996
DK09.10.1996
LI09.10.1996
PT09.01.1997
SE09.01.1997
Former [1997/50]AT09.10.1996
BE09.10.1996
CH09.10.1996
LI09.10.1996
PT09.01.1997
SE09.01.1997
Former [1997/39]AT09.10.1996
BE09.10.1996
CH09.10.1996
LI09.10.1996
SE09.01.1997
Former [1997/29]AT09.10.1996
BE09.10.1996
CH09.10.1996
LI09.10.1996
Former [1997/28]AT09.10.1996
Cited inInternational search[X]EP0161526  (UNION CARBIDE CORP [US])
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.