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Extract from the Register of European Patents

EP About this file: EP0757074

EP0757074 - Process of stabilising siloxane polymers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  28.12.2002
Database last updated on 25.09.2024
Most recent event   Tooltip04.01.2008Lapse of the patent in a contracting state
New state(s): IT
published on 06.02.2008  [2008/06]
Applicant(s)For all designated states
Dow Corning Limited
Cardiff Road Barry South Glamorgan CF6 7YL
Wales / GB
[N/P]
Former [1997/06]For all designated states
Dow Corning Limited
Cardiff Road Barry
South Glamorgan CF6 7YL Wales / GB
Inventor(s)01 / Cray, Stephen
10 Donniford Close
Sully, South Glamorgan, Wales / GB
02 / Evans, Martin
59 Osmore Drive
Porthcawl, Mid Glamorgan, Wales / GB
03 / Perrett, Samantha
146 Rhiw'r Ddar
Taff's Well, Mid Glamorgan, Wales / GB
04 / Mackinnon, Iain
39 Samson Street
Llantwit Major, South Glamorgan, Wales / GB
[1997/06]
Representative(s)Vandamme, Luc Johan Roger
Dow Corning Limited
Cardiff Road
Barry
South Glamorgan CF6 7YL
Wales / GB
[N/P]
Former [1997/06]Vandamme, Luc Johan Roger
Dow Corning Limited Cardiff Road
Barry South Glamorgan CF6 7YL Wales / GB
Application number, filing date96305350.922.07.1996
[1997/06]
Priority number, dateGB1995001561629.07.1995         Original published format: GB 9515616
[1997/06]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0757074
Date:05.02.1997
Language:EN
[1997/06]
Type: A3 Search report 
No.:EP0757074
Date:26.02.1997
[1997/09]
Type: B1 Patent specification 
No.:EP0757074
Date:20.02.2002
Language:EN
[2002/08]
Search report(s)(Supplementary) European search report - dispatched on:EP03.01.1997
ClassificationIPC:C08K5/05, C08G77/16, C08G77/18
[1997/06]
CPC:
C08G77/26 (EP,KR); C08G77/16 (EP,KR); C08G77/18 (EP,KR);
C08K5/05 (EP,KR); C08L83/04 (KR)
C-Set:
C08K5/05, C08L83/04 (EP)
Designated contracting statesDE,   ES,   FR,   GB,   IT [1997/06]
TitleGerman:Verfahren zur Stabilisierung von Siloxan-Polymeren[1997/06]
English:Process of stabilising siloxane polymers[1997/06]
French:Procédé de stabilisation des polymères de siloxane[1997/06]
Examination procedure20.08.1997Examination requested  [1997/42]
06.10.1997Despatch of a communication from the examining division (Time limit: M06)
10.04.1998Reply to a communication from the examining division
08.09.1999Despatch of a communication from the examining division (Time limit: M04)
22.05.2000Reply to a communication from the examining division
20.02.2001Despatch of communication of intention to grant (Approval: Yes)
19.06.2001Communication of intention to grant the patent
12.09.2001Fee for grant paid
12.09.2001Fee for publishing/printing paid
Opposition(s)21.11.2002No opposition filed within time limit [2003/07]
Request for further processing for:22.05.2000Request for further processing filed
17.07.2000Full payment received (date of receipt of payment)
Request granted
29.08.2000Decision despatched
Fees paidRenewal fee
18.09.1998Renewal fee patent year 03
30.07.1999Renewal fee patent year 04
21.06.2000Renewal fee patent year 05
11.06.2001Renewal fee patent year 06
Penalty fee
Additional fee for renewal fee
31.07.199803   M06   Fee paid on   18.09.1998
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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  TooltipIT20.02.2002
GB22.07.2002
ES29.08.2002
[2008/06]
Former [2004/21]GB22.07.2002
ES29.08.2002
Former [2004/04]ES29.08.2002
Documents cited:Search[A]JPS6284174  ;
 [X]US2755261  (CLARK HAROLD A) [X] 1-3 * example 2 *;
 [X]US3575917  (KAPRAL ALES M) [X] 1-12 * column 1, line 29 - line 31 * * column 3, line 22 - line 58 *;
 [A]US4318939  (WONG CHING-PING) [A] 1 * claim 1 *;
 [A]EP0314316  (DOW CORNING SA [BE]) [A] 1 * claim 1 *;
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, Database accession no. 87-146910, XP002019313 & JPS6284174 A 19870417 (TORAY) [A] 1 * abstract *
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.