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Extract from the Register of European Patents

EP About this file: EP0552977

EP0552977 - Aromatic thioether ketone/thioether sulfone copolymer and production process thereof [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  01.08.1997
Database last updated on 30.09.2024
Most recent event   Tooltip01.08.1997Application deemed to be withdrawnpublished on 17.09.1997 [1997/38]
Applicant(s)For all designated states
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
1-9-11, Nihonbashi, Horidome-cho Chuo-ku
Tokyo 103-8552 / JP
[N/P]
Former [1993/30]For all designated states
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
1-9-11, Nihonbashi, Horidome-cho
Chuo-ku Tokyo 103 / JP
Inventor(s)01 / Kawakami, Yukichika
25-13, Negoya, Ueda-machi
Iwaki-shi, Fukushima-ken 974 / JP
02 / Shiiki, Zenya
28-1, Ochiai, Nishiki-machi
Iwaki-shi, Fukushima-ken 974 / JP
[1993/30]
Representative(s)Jones, Helen M.M.
Gill Jennings & Every LLP The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
[N/P]
Former [1993/30]Jones, Helen Marjorie Meredith
Gill Jennings & Every, Broadgate House, 7 Eldon Street
London EC2M 7LH / GB
Application number, filing date93300473.122.01.1993
[1993/30]
Priority number, dateJP1992003425123.01.1992         Original published format: JP 3425192
JP1992010169226.03.1992         Original published format: JP 10169292
JP1992030790823.10.1992         Original published format: JP 30790892
[1993/30]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0552977
Date:28.07.1993
Language:EN
[1993/30]
Type: A3 Search report 
No.:EP0552977
Date:29.12.1993
Language:EN
[1993/52]
Search report(s)(Supplementary) European search report - dispatched on:EP10.11.1993
ClassificationIPC:C08G75/02
[1993/30]
CPC:
C08G75/0254 (EP,US); C08G75/0236 (EP,US); D01F6/76 (EP,US);
Y10S525/906 (EP)
Designated contracting statesDE,   FR,   GB [1993/30]
TitleGerman:Aromatisches Thioetherketon/Thioethersulphon-Copolymer und Verfahren zu seiner Herstellung[1993/30]
English:Aromatic thioether ketone/thioether sulfone copolymer and production process thereof[1993/30]
French:Copolymère aromatique de thioéthercétone/thioéthersulphone et procédé pour sa production[1993/30]
Examination procedure12.02.1993Examination requested  [1993/30]
06.09.1996Despatch of a communication from the examining division (Time limit: M06)
18.03.1997Application deemed to be withdrawn, date of legal effect  [1997/38]
16.04.1997Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1997/38]
Fees paidRenewal fee
10.01.1995Renewal fee patent year 03
10.01.1996Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.01.199705   M06   Not yet paid
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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.
Documents cited:Search[XP]DE4206996  (DAINIPPON INK & CHEMICALS [JP]);
 [A]EP0210377  (HUELS CHEMISCHE WERKE AG [DE]);
 [A]EP0459620  (KUREHA CHEMICAL IND CO LTD [JP])
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.