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Extract from the Register of European Patents

EP About this file: EP0810229

EP0810229 - Process for preparing methylchlorosilanes [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  11.01.2003
Database last updated on 16.09.2024
Most recent event   Tooltip17.02.2006Change - lapse in a contracting state
Updated state(s): FR		published on 05.04.2006  [2006/14]
Applicant(s)For all designated states
Wacker-Chemie GmbH
Hanns-Seidel-Platz 4
81737 München / DE
[1997/49]
Inventor(s)01 / Straussberger, Herbert
Heidegasse 4
84561 Mehring/Öd / DE
02 / Pachaly, Bernd, Dr.
Utzenstrasse 1
84561 Mehring/Öd / DE
03 / Streckel, Willi
Neuhauser Strasse 8
84561 Mehring/Öd / DE
04 / Reindl, Markus
Unghauser Strasse 23
84489 Burghausen / DE
[1997/49]
Representative(s)Fritz, Helmut, et al
Wacker Chemie AG
Zentralbereich Patente, Marken und Lizenzen
Hanns-Seidel-Platz 4
81737 München / DE
[N/P]
Former [1997/49]Fritz, Helmut, Dr., et al
Wacker-Chemie GmbH, Zentralabteilung Patente, Marken und Lizenzen, Hanns-Seidel-Platz 4
81737 München / DE
Application number, filing date97108702.830.05.1997
[1997/49]
Priority number, dateDE199612179530.05.1996         Original published format: DE 19621795
[1997/49]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0810229
Date:03.12.1997
Language:DE
[1997/49]
Type: B1 Patent specification 
No.:EP0810229
Date:22.11.2000
Language:DE
[2000/47]
Search report(s)(Supplementary) European search report - dispatched on:EP05.09.1997
ClassificationIPC:C07F7/16
[1997/49]
CPC:
C07F7/16 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL [1997/49]
TitleGerman:Verfahren zur Herstellung von Methylchlorsilanen[1997/49]
English:Process for preparing methylchlorosilanes[1997/49]
French:Procédé de préparation de méthylchlorosilanes[1997/49]
Examination procedure30.05.1997Examination requested  [1997/49]
30.05.1997Request for accelerated examination filed
17.09.1999Despatch of a communication from the examining division (Time limit: M06)
17.09.1999Decision about request for accelerated examination - accepted: Yes
16.03.2000Reply to a communication from the examining division
11.04.2000Despatch of communication of intention to grant (Approval: Yes)
22.05.2000Communication of intention to grant the patent
27.07.2000Fee for grant paid
27.07.2000Fee for publishing/printing paid
Opposition(s)Opponent(s)01  21.08.2001  06.09.2001  ADMISSIBLE
GE Bayer Silicones GmbH & Co. KG Legal Department, Building V7
51368 Leverkusen / DE
 [N/P]
Former [2001/46]
Opponent(s)01  21.08.2001  06.09.2001  ADMISSIBLE
GE Bayer Silicones GmbH & Co. KG Legal Department, Building V7
51368 Leverkusen / DE
Former [2001/41]
Opponent(s)01  21.08.2001  06.09.2001  ADMISSIBLE
GE Bayer Silicones GmbH & Co. KG
Falkenberg 1
D - 40699 Erkrath / DE
Opponent's representative
Gille Hrabal Struck Neidlein Prop Roos
Patentanwälte, Brucknerstrasse 20
40593 Düsseldorf / DE
25.09.2001Invitation to proprietor to file observations on the notice of opposition
16.09.2002Despatch of communication that the patent will be revoked
26.09.2002Legal effect of revocation of patent [2003/09]
Fees paidRenewal fee
03.05.1999Renewal fee patent year 03
04.05.2000Renewal 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  TooltipFR22.11.2000
GB22.11.2000
NL22.11.2000
[2006/14]
Former [2003/09]GB22.11.2000
NL22.11.2000
FR20.04.2001
Former [2002/12]GB22.11.2000
FR20.04.2001
Former [2002/10]FR20.04.2001
Documents cited:Search[X]DE2933342  (BAYER AG) [X] 1-6 * the whole document *;
 [X]FR2398020  (WACKER CHEMIE GMBH [DE]) [X] 1-6 * the whole document *;
 [X]US5239102  (WEBB STEVEN W [US], et al) [X] 1-6 * column W *;
 [X]US5243061  (WEBB STEVEN W [US], et al) [X] 1-6 * column W *;
 [DA]EP0440414  (ELKEM METALS [US]) [DA] 1-6 * the whole document *
ExaminationUS4281149
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.