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Extract from the Register of European Patents

EP About this file: EP0677545

EP0677545 - Process for the preparation of (co)-polycarbonate [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  29.08.2003
Database last updated on 29.06.2024
Most recent event   Tooltip29.08.2003Opposition rejectedpublished on 15.10.2003  [2003/42]
Applicant(s)For all designated states
DAICEL CHEMICAL INDUSTRIES, LTD.
1, Teppo-cho
Sakai-shi, Osaka / JP
[N/P]
Former [1995/42]For all designated states
DAICEL CHEMICAL INDUSTRIES, LTD.
1, Teppo-cho
Sakai-shi, Osaka / JP
Inventor(s)01 / Kanno, Tatsuya
7-3, Shiromidai, 3-chome
Himeji-shi, Hyogo / JP
02 / Fukuda, Yutaka
446, Hamada, Aboshi-ku
Himeji-shi, Hyogo / JP
[1995/42]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[N/P]
Former [1995/42]Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
D-80538 München / DE
Application number, filing date94105803.414.04.1994
[1995/42]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0677545
Date:18.10.1995
Language:EN
[1995/42]
Type: B1 Patent specification 
No.:EP0677545
Date:05.07.2000
Language:EN
[2000/27]
Search report(s)(Supplementary) European search report - dispatched on:EP29.08.1994
ClassificationIPC:C08G64/30
[1995/42]
CPC:
C08G64/307 (EP)
Designated contracting statesDE,   GB,   IT,   NL [1995/42]
TitleGerman:Verfahren zur Herstellung von (Co)Polycarbonaten[1995/42]
English:Process for the preparation of (co)-polycarbonate[1995/42]
French:Procédé pour la préparation de (co)polycarbonates[1995/42]
Examination procedure15.12.1995Examination requested  [1996/06]
14.01.1997Despatch of a communication from the examining division (Time limit: M04)
26.05.1997Reply to a communication from the examining division
06.11.1997Despatch of a communication from the examining division (Time limit: M06)
13.05.1998Reply to a communication from the examining division
17.11.1998Despatch of a communication from the examining division (Time limit: M04)
16.03.1999Reply to a communication from the examining division
22.07.1999Despatch of communication of intention to grant (Approval: Yes)
12.11.1999Communication of intention to grant the patent
10.02.2000Fee for grant paid
10.02.2000Fee for publishing/printing paid
Opposition(s)Opponent(s)01  04.04.2001    ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
 [N/P]
Former [2001/23]
Opponent(s)01  04.04.2001    ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
05.09.2001Invitation to proprietor to file observations on the notice of opposition
14.12.2001Reply of patent proprietor to notice(s) of opposition
16.05.2003Date of despatch of rejection of opposition
26.05.2003Legal effect of rejection of opposition [2003/42]
Fees paidRenewal fee
30.04.1996Renewal fee patent year 03
25.04.1997Renewal fee patent year 04
29.04.1998Renewal fee patent year 05
28.04.1999Renewal fee patent year 06
26.04.2000Renewal fee patent year 07
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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[E]EP0592900  (DAICEL CHEMICAL INDUSTRIES, LTD.) [E] 1-17 * the whole document *;
 [X]EP0584801  (MITSUBISHI KASEI CORPORATION) [X] 1 * page 4, line 29 - page 5, line 31; claims 1,7 * * page 9, line 15 - line 23 *;
 [Y]BE676977  (FARBENFABRIKEN BAYER AG) [Y] 1-17 * the whole document *;
 [DY]EP0351168  (GE PLASTICS JAPAN LTD.) [DY] 1-17 * the whole document *;
 [A]EP0360578  (GE PLASTICS JAPAN LTD.) [A] 1-17 * claims 1-14 *;
 [A]EP0501374  (UBE INDUSTRIES, LTD);
 [A]EP0583936  (GENERAL ELECTRIC COMPANY)
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.