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Extract from the Register of European Patents

EP About this file: EP0758346

EP0758346 - PROCESS FOR THE PREPARATION OF AN ELASTOMERIC POLYMER FROM ETHYLENE, ALPHA-OLEFIN AND OPTIONALLY DIENE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.06.1999
Database last updated on 03.10.2024
Most recent event   Tooltip04.06.1999No opposition filed within time limitpublished on 21.07.1999 [1999/29]
Applicant(s)For all designated states
DSM N.V.
Het Overloon 1
6411 TE Heerlen / NL
[N/P]
Former [1997/08]For all designated states
DSM N.V.
Het Overloon 1
6411 TE Heerlen / NL
Inventor(s)01 / RENKEMA, Jacob
Heer Ottostraat 25
6121 NB Born / NL
02 / MUSKENS, Bernardus, Johanna
Gansbeek 64
NL-6166 JB Geleen / NL
[1998/31]
Former [1997/08]01 / RENKEMA, Jacob
Grasbroekstraat 17
NL-6141 BW Sittard / NL
02 / MUSKENS, Bernardus, Johanna
Gansbeek 64
NL-6166 JB Geleen / NL
Application number, filing date95914581.418.04.1995
[1997/08]
WO1995NL00140
Priority number, dateNL1994000075806.05.1994         Original published format: NL 9400758
[1997/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9530698
Date:16.11.1995
Language:EN
[1995/49]
Type: A1 Application with search report 
No.:EP0758346
Date:19.02.1997
Language:EN
The application published by WIPO in one of the EPO official languages on 16.11.1995 takes the place of the publication of the European patent application.
[1997/08]
Type: B1 Patent specification 
No.:EP0758346
Date:29.07.1998
Language:EN
[1998/31]
Search report(s)International search report - published on:EP16.11.1995
ClassificationIPC:C08F210/16, C08F4/602
[1997/08]
CPC:
C08F210/18 (EP,US); C08F10/00 (EP,US); C08F210/16 (EP,US);
C08F4/65912 (EP,US); C08F4/65925 (EP,US)
C-Set:
C08F10/00, C08F4/65925 (EP,US);
C08F210/16, C08F210/06, C08F2500/17, C08F2500/09, C08F2500/21, C08F2500/05 (US,EP);
C08F210/18, C08F210/06, C08F2500/25, C08F2500/17, C08F2500/09, C08F2500/21, C08F2500/05 (US,EP)
Designated contracting statesDE,   FR,   IT,   NL [1997/08]
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES ELASTOMEREN AUS ETHYLEN, ALFA-OLEFIN UND GEGEBENFALLS DIEN[1997/08]
English:PROCESS FOR THE PREPARATION OF AN ELASTOMERIC POLYMER FROM ETHYLENE, ALPHA-OLEFIN AND OPTIONALLY DIENE[1997/08]
French:PROCEDE DE PREPARATION D'UN POLYMERE ELASTOMERE A PARTIR D'ETHYLENE, D'UNE ALPHA-OLEFINE ET EVENTUELLEMENT D'UN DIENE[1997/08]
Entry into regional phase22.10.1996National basic fee paid 
22.10.1996Designation fee(s) paid 
22.10.1996Examination fee paid 
Examination procedure03.11.1995Request for preliminary examination filed
International Preliminary Examining Authority: EP
22.10.1996Examination requested  [1997/08]
16.04.1997Despatch of a communication from the examining division (Time limit: M04)
17.07.1997Reply to a communication from the examining division
13.10.1997Despatch of communication of intention to grant (Approval: Yes)
27.01.1998Communication of intention to grant the patent
02.04.1998Fee for grant paid
02.04.1998Fee for publishing/printing paid
Opposition(s)30.04.1999No opposition filed within time limit [1999/29]
Fees paidRenewal fee
29.03.1997Renewal fee patent year 03
02.04.1998Renewal fee patent year 04
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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.
Cited inInternational search[X]JPS61264035  ;
 [X]FR2322883  (MICHELIN & CIE [FR]) [X] 6* page 5, line 1 - line 5; example 2; table - *;
 [A]EP0347128  (EXXON CHEMICAL PATENTS INC [US]) [A] 6,9,10,13-15 * abstract * * examples 8-10; tables I-III *;
 [A]EP0372414  (HOECHST AG [DE]) [A] 1,2,6 * example 11; claim -; table . * * page 5; figures II-1,II-2 *;
 [X]WO9103505  (EXXON CHEMICAL PATENTS INC [US]) [X] 6-16 * example 7B; claim -; table - * * page 25, paragraph 2 *;
 [A]EP0545140  (BASF AG [DE]) [A] 1,6 * page 5, line 33 - line 42 * * claim -; table . *;
 [A]EP0571882  (HOECHST AG [DE]) [A] 1,6 * page 11, line 22 - line 25 * * abstract * * page 6, line 10 - line 47 * * page 9, line 29 - line 35 * * page 10, line 11 - line 16 *;
 [PX]WO9411406  (DSM NV [NL], et al) [PX] 1,6 * abstract *
 [A]  - E. GIANNETTI ET AL., "HOMOGENEOUS ZIEGLER NATTA CATALYSIS. II. ETHYLENE POLYMERI- ZATION BY IVB TRANSITION METAL COMPLEXES/ METHYL ALUMINOXANE CATALYST SYSTEMS", JOURNAL OF POLYMER SCIENCE, POLYMER CHEMISTRY EDITION, NEW YORK US, vol. 23, no. 8, pages 2117 - 2134 [A] 1 * EXPERIMENTAL; MATERIALS *; page 2118, paragraph 3 - page 2119, paragraph 3 *
 [X]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 87, no. 01, Database accession no. 87-003779, & JPS61264035 A 19861121 (JAPAN SYNTHETIC RUBBER) [X] 6,10 * 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.