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
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
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: EP0355439

EP0355439 - Process for preparing alpha-olefin polymers [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  04.03.1992
Database last updated on 06.07.2024
Most recent event   Tooltip04.03.1992Withdrawal of applicationpublished on 22.04.1992 [1992/17]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1990/09]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Winter, Andreas, Dr.
Gundelhardtstrasse 2
D-6233 Kelkheim (Taunus) / DE
02 / Dolle, Volker, Dr.
Hattersheimer Strasse 15
D-6233 Kelkheim (Taunus) / DE
03 / Antberg, Martin, Dr.
Sachsenring 10
D-6238 Hofheim am Taunus / DE
04 / Rohrmann, Jürgen, Dr.
Die Ritterwiesen 10
D-6237 Liederbach / DE
05 / Spaleck, Walter, Dr.
Sulzbacher Strasse 63
D-6237 Liederbach / DE
[1990/09]
Application number, filing date89113660.825.07.1989
[1990/09]
Priority number, dateDE1988382581429.07.1988         Original published format: DE 3825814
[1990/09]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0355439
Date:28.02.1990
Language:DE
[1990/09]
Type: A3 Search report 
No.:EP0355439
Date:27.03.1991
Language:DE
[1991/13]
Search report(s)(Supplementary) European search report - dispatched on:EP04.02.1991
ClassificationIPC:C08F10/00, C08F4/643
[1990/09]
CPC:
C08F10/00 (EP); C08F4/65912 (EP); C08F4/65927 (EP)
C-Set:
C08F10/00, C08F4/65927 (EP)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL [1990/09]
TitleGerman:Verfahren zur Herstellung von 1-Olefinpolymeren[1990/09]
English:Process for preparing alpha-olefin polymers[1990/09]
French:Procédé de préparation de polymères d'alpha-oléfines[1990/09]
File destroyed:12.06.1999
Examination procedure21.12.1990Examination requested  [1991/09]
31.10.1991Despatch of a communication from the examining division (Time limit: M04)
15.02.1992Application withdrawn by applicant  [1992/17]
Fees paidRenewal fee
21.12.1990Renewal fee patent year 03
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.
Documents cited:Search[XE]EP0336127  ;
 [XE]EP0284707  (COSDEN TECHNOLOGY [US]);
 [A]EP0269986  (HOECHST AG [DE])
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.