blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0678541

EP0678541 - Method for preparing reaction products of polydiorganosiloxanes [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.12.2000
Database last updated on 20.12.2024
Most recent event   Tooltip28.12.2007Lapse of the patent in a contracting state
New state(s): IT		published on 30.01.2008  [2008/05]
Applicant(s)For all designated states
GE Bayer Silicones GmbH & Co. KG
Falkenberg 1
40699 Erkrath / DE
[1998/48]
Former [1995/43]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Friebe, Robert, Dr.
Walter-Flex-Strasse 20
D-51373 Leverkusen / DE
[1995/43]
Representative(s)Leifert, Elmar, et al
Leifert & Steffan Patentanwälte Postfach 10 40 09
40031 Düsseldorf / DE
[N/P]
Former [1999/29]Leifert, Elmar, Dr., et al
Böhm Rauch Krämer Leifert Burgplatz 21/22
40213 Düsseldorf / DE
Former [1999/24](deleted)
Former [1999/11]Frohwitter, Bernhard, Dipl.-Ing., et al
Patent- und Rechtsanwälte, Possartstrasse 20
81679 München / DE
Former [1999/03]Frohwitter, Bernhard, Dipl.-Ing., et al
Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Postfach 86 06 20
81633 München / DE
Application number, filing date95105238.007.04.1995
[1995/43]
Priority number, dateDE1994441370620.04.1994         Original published format: DE 4413706
DE1994443653613.10.1994         Original published format: DE 4436536
[1995/43]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0678541
Date:25.10.1995
Language:DE
[1995/43]
Type: A3 Search report 
No.:EP0678541
Date:17.01.1996
Language:DE
[1996/03]
Type: B1 Patent specification 
No.:EP0678541
Date:09.02.2000
Language:DE
[2000/06]
Search report(s)(Supplementary) European search report - dispatched on:EP28.11.1995
ClassificationIPC:C08G77/08, C08G77/18
[1995/43]
CPC:
C08G77/08 (EP); C08G77/18 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GR,   IE,   IT,   LI,   NL,   SE [1995/43]
TitleGerman:Verfahren zur Herstellung von Umsetzungsprodukten aus Poly(diorganosiloxanen)[1995/43]
English:Method for preparing reaction products of polydiorganosiloxanes[1995/43]
French:Procédé de préparation des produits de réaction de polydiorganosiloxanes[1995/43]
Examination procedure02.02.1996Examination requested  [1996/14]
22.05.1997Despatch of a communication from the examining division (Time limit: M04)
08.09.1997Reply to a communication from the examining division
17.12.1997Despatch of a communication from the examining division (Time limit: M04)
16.03.1998Reply to a communication from the examining division
20.07.1998Despatch of a communication from the examining division (Time limit: M07)
01.03.1999Reply to a communication from the examining division
08.04.1999Despatch of communication of intention to grant (Approval: Yes)
11.08.1999Communication of intention to grant the patent
28.10.1999Fee for grant paid
28.10.1999Fee for publishing/printing paid
Opposition(s)10.11.2000No opposition filed within time limit [2001/04]
Fees paidRenewal fee
13.03.1997Renewal fee patent year 03
04.05.1998Renewal fee patent year 04
27.04.1999Renewal fee patent year 05
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  TooltipES09.02.2000
FR09.02.2000
GR09.02.2000
IE09.02.2000
IT09.02.2000
NL09.02.2000
AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
[2008/05]
Former [2006/14]ES09.02.2000
FR09.02.2000
GR09.02.2000
IE09.02.2000
NL09.02.2000
AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
Former [2004/07]ES09.02.2000
GR09.02.2000
IE09.02.2000
NL09.02.2000
AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
FR07.07.2000
Former [2003/08]ES09.02.2000
IE09.02.2000
NL09.02.2000
AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
FR07.07.2000
Former [2002/26]ES09.02.2000
IE09.02.2000
AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
FR07.07.2000
Former [2002/22]IE09.02.2000
AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
FR07.07.2000
Former [2002/10]AT07.04.2000
SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
FR07.07.2000
Former [2002/02]SE08.04.2000
BE30.04.2000
CH30.04.2000
LI30.04.2000
FR07.07.2000
Former [2001/50]IE09.02.2000
SE08.04.2000
BE30.04.2000
FR07.07.2000
Former [2001/27]SE08.04.2000
BE30.04.2000
FR07.07.2000
Former [2001/22]BE30.04.2000
FR07.07.2000
Former [2001/16]FR07.07.2000
Documents cited:Search[A]JPS59129230  ;
 [A]JPS59108033  ;
 [X]US4611040  (OLSON KURT G [US], et al) [X] 1 * claims 1-10 * * column 3, line 17 - line 53 * * page 7 - page 8; example 1; table 1 *;
 [A]EP0508490  (WACKER CHEMIE GMBH [DE]) [A] 1 * claims 1-10 * * page 3, line 13 - line 14 *;
 [A]EP0576166  (GEN ELECTRIC [US]) [A] 1 * claim 1 *;
 [E]EP0672702  (WACKER CHEMIE GMBH [DE]) [E] 1-10 * claims 1-10 * * page 4, line 49 - page 5, line 56 *
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, Database accession no. 84-221813, & JPS59129230 A 19840725 (DAINIPPON INK CHEM.KK.) [A] 1 * abstract *
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, Database accession no. 84-191772, & JPS59108033 A 19840622 (DAINIPPON INK KK.) [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.