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Extract from the Register of European Patents

EP About this file: EP0641799

EP0641799 - Pristine alkylsiloxanes and method for their preparation [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  11.12.1999
Database last updated on 03.06.2024
Most recent event   Tooltip11.12.1999Withdrawal of applicationpublished on 26.01.2000 [2000/04]
Applicant(s)For all designated states
Dow Corning Corporation
P.O. Box 994
Midland, Michigan 48686-0994 / US
[N/P]
Former [1995/10]For all designated states
DOW CORNING CORPORATION
P.O. Box 994
Midland, Michigan 48686-0994 / US
Inventor(s)01 / Legrow, Gary Edward
1213 Wildwood Street
Midland, Michigan / US
[1995/10]
Representative(s)Spott, Gottfried
Spott & Weinmiller
Patentanwälte
Fasanenstrasse 159
82008 Unterhaching / DE
[N/P]
Former [1997/37]Spott, Gottfried, Dr.
Patentanwälte Spott, Weinmiller & Partner Sendlinger-Tor-Platz 11
80336 München / DE
Former [1995/10]Vandamme, Luc Johan Roger
Dow Corning Limited, Cardiff Road
Barry, South Glamorgan CF63 2YL, Wales / GB
Application number, filing date94305562.427.07.1994
[1995/10]
Priority number, dateUS1993010081402.08.1993         Original published format: US 100814
[1995/10]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0641799
Date:08.03.1995
Language:EN
[1995/10]
Type: A3 Search report 
No.:EP0641799
Date:17.09.1997
[1997/38]
Search report(s)(Supplementary) European search report - dispatched on:EP04.08.1997
ClassificationIPC:C07F7/08, C07F7/21
[1995/10]
CPC:
C08G77/38 (EP); C07F7/0838 (EP); C07F7/0879 (EP);
C07F7/0896 (EP); C07F7/21 (EP)
Designated contracting statesDE,   FR,   GB [1995/10]
TitleGerman:Alkylsiloxane von hoher Reinheit und Verfahren zur deren Herstellung[1995/10]
English:Pristine alkylsiloxanes and method for their preparation[1995/10]
French:Alkylsiloxanes de haute pureté et procédé pour le préparer[1995/10]
Examination procedure14.11.1997Examination requested  [1998/03]
24.08.1999Despatch of a communication from the examining division (Time limit: M04)
01.12.1999Application withdrawn by applicant  [2000/04]
Fees paidRenewal fee
07.06.1996Renewal fee patent year 03
05.06.1997Renewal fee patent year 04
02.06.1998Renewal fee patent year 05
27.05.1999Renewal fee patent year 06
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Documents cited:Search[DA]US3440263  (BRENNAN, J.A.) [DA] 1,2 * column W *;
 [A]EP0533170  (DOW CORNING CORPORATION) [A] 1,2 * the whole document *;
 JPH03264510  [ ] (SHISEIDO CO., LTD., JAPAN);
 JPS5293718  [ ] (SHIN-ETSU CHEMICAL INDUSTRY CO., LTD., JAPAN)
 [A]  - NANBA, TOMIYUKI ET AL, "Cosmetics containing silicones", CHEMICAL ABSTRACTS, (19920406), vol. 116, no. 14, Database accession no. 136031, XP002035973 [A] 1,2 * abstract *
 [A]  - SATO, YOSHIHIKO ET AL, "Organosilicon compounds", CHEMICAL ABSTRACTS, (19780116), vol. 88, no. 3, Database accession no. 23134, XP002035974 [A] 1,2 * 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.