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Extract from the Register of European Patents

EP About this file: EP0009161

EP0009161 - Polyalkylpiperidine-formaldehyde polymers, process for their preparation and their use [Right-click to bookmark this link]
Former [1980/07]Polyalkylpiperidine-formaldehyde polymers, process for their preparation, their use, process for stabilizing polymers and polymers thus stabilized
[1982/20]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 26.06.2024
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1982/20]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Former [1980/07]For all designated states
HOECHST AKTIENGESELLSCHAFT
Postfach 80 03 20
D-65926 Frankfurt / DE
Inventor(s)01 / Wiezer, Hartmut, Dr.
Hans-Fischer-Strasse 6
D-8906 Gersthofen / DE
02 / Korbanka, Helmut, Dr.
Birkenstrasse 24
D-8901 Adelsried / DE
03 / Pfahler, Gerhard, Dr.
Karlsbader Strasse 27
D-8900 Augsburg / DE
[1980/07]
Application number, filing date79103258.404.09.1979
[1980/07]
Priority number, dateDE1978283971113.09.1978         Original published format: DE 2839711
[1980/07]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0009161
Date:02.04.1980
Language:DE
[1980/07]
Type: B1 Patent specification 
No.:EP0009161
Date:19.05.1982
Language:DE
[1982/20]
Search report(s)(Supplementary) European search report - dispatched on:EP25.01.1980
ClassificationIPC:C08G16/02, C07D211/74, C08K5/34
[1980/07]
CPC:
C08K5/34 (EP,US); C07D211/74 (EP,US); C08G16/0268 (EP,US);
C08L101/00 (EP,US)
C-Set:
C08L101/00, C08L2666/14 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   NL [1980/07]
TitleGerman:Polyalkylpiperidin-Formaldehyd-Polymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung[1982/20]
English:Polyalkylpiperidine-formaldehyde polymers, process for their preparation and their use[1982/20]
French:Polycondensats polyalcoylpipéridine formaldéhyde, procédé pour leur préparation et leur utilisation[1982/20]
Former [1980/07]Polyalkylpiperidin-Formaldehyd-Polymerisate, Verfahren zu ihrer Herstellung, ihre Verwendung, Verfahren zum Stabilisieren von Polymeren und so stabilisierte Polymere
Former [1980/07]Polyalkylpiperidine-formaldehyde polymers, process for their preparation, their use, process for stabilizing polymers and polymers thus stabilized
Former [1980/07]Polycondensats polyalcoylpipéridine formaldéhyde, procédé pour leur préparation, leur utilisation; procédé pour la stabilisation de polymères et polymères ainsi stabilisés
Examination procedure30.05.1980Examination requested  [1980/17]
03.02.1981Despatch of a communication from the examining division (Time limit: M04)
06.05.1981Reply to a communication from the examining division
09.07.1981Despatch of a communication from the examining division (Time limit: M04)
25.07.1981Reply to a communication from the examining division
22.10.1981Despatch of communication of intention to grant (Approval: )
06.11.1981Communication of intention to grant the patent
28.01.1982Fee for grant paid
28.01.1982Fee for publishing/printing paid
Opposition(s)21.02.1983No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
07.08.1981Renewal fee patent year 03
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Documents cited:Search[D]DE2731378  (CIBA GEIGY AG);
 DE2719131  [ ] (CIBA GEIGY AG);
 SU475362  [ ];
 US2540886  [ ] (ALTON HURST DEE, et al)
    [ ] - HOUBEN-WEYL "Methoden der organischen Chemie", 4. Auflage, Band XIV/2, 1963, GEORG THIEME VERLAG, Stuttgart, Seiten 416 bis 423.
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.