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Extract from the Register of European Patents

EP About this file: EP0973709

EP0973709 - METHOD FOR CLEANING METHYL CHLORIDE CONTAMINATED WITH C1-C3 HYDROCARBONS AND/OR ISOBUTANE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.09.2003
Database last updated on 30.09.2024
Most recent event   Tooltip07.03.2008Lapse of the patent in a contracting state
New state(s): IT		published on 09.04.2008  [2008/15]
Applicant(s)For all designated states
GE Bayer Silicones GmbH & Co. KG
Falkenberg 1
40699 Erkrath / DE
[2000/04]
Inventor(s)01 / FELDNER, Kurt
Hammerweg 28
D-51375 Leverkusen / DE
02 / WEBER, Rainer
Forststrasse 15a
D-51519 Odenthal / DE
03 / HAUSCHILD, Torsten
Mühlenstrasse 48
D-51469 Bergisch Gladbach / DE
04 / MÄCKER, Ralf
Dechant-Krey-Strasse 22
D-51379 Leverkusen / DE
05 / RUFFERT, Gerhard
Höfer Weg 52
D-51377 Leverkusen / DE
[2000/04]
Representative(s)(deleted)
[2000/36]
Former [2000/04]Leifert, Elmar, Dr.
Böhm Rauch Krämer Leifert Burgplatz 21-22
40213 Düsseldorf / DE
Application number, filing date98910635.609.02.1998
[2000/04]
WO1998EP00701
Priority number, dateDE1997100664920.02.1997         Original published format: DE 19706649
[2000/04]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9837044
Date:27.08.1998
Language:DE
[1998/34]
Type: A1 Application with search report 
No.:EP0973709
Date:26.01.2000
Language:DE
The application published by WIPO in one of the EPO official languages on 27.08.1998 takes the place of the publication of the European patent application.
[2000/04]
Type: B1 Patent specification 
No.:EP0973709
Date:20.11.2002
Language:DE
[2002/47]
Search report(s)International search report - published on:EP27.08.1998
ClassificationIPC:C07C17/38, C07F7/16, C07C19/03
[2000/04]
CPC:
C07F7/16 (EP); C07C17/38 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   IT,   LI,   NL,   SE [2000/04]
TitleGerman:VERFAHREN ZUR REINIGUNG VON MIT C1-C3-KOHLENWASSERSTOFFEN UND/ODER ISO-BUTAN VERUNREINIGTEM METHYLCHLORID[2000/04]
English:METHOD FOR CLEANING METHYL CHLORIDE CONTAMINATED WITH C1-C3 HYDROCARBONS AND/OR ISOBUTANE[2000/04]
French:PROCEDE DE PURIFICATION DE CHLORURE DE METHYLE CONTAMINE PAR DES HYDROCARBURES C1-C3 ET/OU DE L'ISOBUTANE[2000/04]
Entry into regional phase16.09.1999National basic fee paid 
16.09.1999Designation fee(s) paid 
16.09.1999Examination fee paid 
Examination procedure16.09.1998Request for preliminary examination filed
International Preliminary Examining Authority: EP
16.09.1999Examination requested  [2000/04]
09.05.2001Despatch of a communication from the examining division (Time limit: M06)
05.11.2001Reply to a communication from the examining division
17.01.2002Despatch of a communication from the examining division (Time limit: M04)
05.03.2002Reply to a communication from the examining division
22.05.2002Despatch of communication of intention to grant (Approval: Yes)
21.06.2002Communication of intention to grant the patent
07.08.2002Fee for grant paid
07.08.2002Fee for publishing/printing paid
Opposition(s)21.08.2003No opposition filed within time limit [2003/46]
Fees paidRenewal fee
25.02.2000Renewal fee patent year 03
23.02.2001Renewal fee patent year 04
27.02.2002Renewal fee patent year 05
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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  TooltipFI20.11.2002
IT20.11.2002
NL20.11.2002
AT09.02.2003
DK20.02.2003
SE20.02.2003
BE28.02.2003
CH28.02.2003
LI28.02.2003
ES29.05.2003
[2008/15]
Former [2007/17]FI20.11.2002
NL20.11.2002
AT09.02.2003
DK20.02.2003
SE20.02.2003
BE28.02.2003
CH28.02.2003
LI28.02.2003
ES29.05.2003
Former [2004/31]FI20.11.2002
NL20.11.2002
AT09.02.2003
SE20.02.2003
BE28.02.2003
CH28.02.2003
LI28.02.2003
ES29.05.2003
Former [2004/28]FI20.11.2002
NL20.11.2002
SE20.02.2003
BE28.02.2003
CH28.02.2003
LI28.02.2003
ES29.05.2003
Former [2004/04]FI20.11.2002
NL20.11.2002
SE20.02.2003
CH28.02.2003
LI28.02.2003
ES29.05.2003
Former [2004/01]FI20.11.2002
NL20.11.2002
SE20.02.2003
CH28.02.2003
LI28.02.2003
Former [2003/43]FI20.11.2002
NL20.11.2002
SE20.02.2003
Former [2003/30]NL20.11.2002
SE20.02.2003
Former [2003/19]SE20.02.2003
Cited inInternational search[A]SU1502557  ;
 [A]CH253706  (LANDTMETERS JOSEPH CHARLES [BE]) [A] 1* the whole document *;
 [DA]DE3610706  (BAYER AG [DE]) [DA] 1,8 * claim - *;
 [A]US5453113  (ZARCHY ANDREW S [US], et al) [A] 1,8 * column 2, line 64 - line 67; claim - *;
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 90, no. 23, Database accession no. 90-177372, XP002068390 & SU1502557 A 00000000 (HETEROORG CPDS AS USSR) [A] 1-8 * 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.