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Extract from the Register of European Patents

EP About this file: EP0058403

EP0058403 - Flame retardant polyarylate compositions [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  20.02.1992
Database last updated on 09.09.2024
Most recent event   Tooltip17.04.2015Change - lapse in a contracting state
State(s) deleted from list of lapses: CH, LI
published on 20.05.2015  [2015/21]
Applicant(s)For all designated states
AMOCO CORPORATION
200 East Randolph Drive P.O. Box 5910-A Chicago
Illinois 60680 / US
[N/P]
Former [1986/52]For all designated states
AMOCO CORPORATION
200 East Randolph Drive P.O. Box 5910-A
Chicago Illinois 60680 / US
Former [1982/34]For all designated states
UNION CARBIDE CORPORATION
39 Old Ridgebury Road
Danbury Connecticut 06817 / US
Inventor(s)01 / Robeson, Lloyd Mahlon
R.D. 1, Box 244
Whitehouse Station New Jersey 08889 / US
02 / Matzner, Markus
23 Marshall Drive
Edison New Jersey 08817 / US
[1982/34]
Representative(s)Weinhold, Peter, et al
Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8
80803 München / DE
[N/P]
Former [1985/52]Weinhold, Peter, Dr., et al
Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8
D-80803 München / DE
Former [1985/04]Schmied-Kowarzik, Volker, Dr.
Patentanwälte Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Dr. P. Barz Siegfriedstrasse 8
D-80803 München / DE
Former [1982/34]Schmied-Kowarzik, Volker, Dr.
Siegfriedstrasse 8
D-8000 München 40 / DE
Application number, filing date82101026.111.02.1982
[1982/34]
Priority number, dateUS1981023369312.02.1981         Original published format: US 233693
[1982/34]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0058403
Date:25.08.1982
Language:EN
[1982/34]
Type: A3 Search report 
No.:EP0058403
Date:29.09.1982
Language:EN
[1982/39]
Type: B1 Patent specification 
No.:EP0058403
Date:08.01.1986
Language:EN
[1986/02]
Search report(s)(Supplementary) European search report - dispatched on:EP29.07.1982
ClassificationIPC:C08L67/02
[1982/34]
CPC:
C08K5/42 (EP,US); C08L67/03 (EP,US)
C-Set:
C08K5/42, C08L67/02 (EP,US);
C08L67/03, C08L2666/02 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1982/34]
TitleGerman:Feuerhemmende Polyarylatzusammensetzungen[1982/34]
English:Flame retardant polyarylate compositions[1982/34]
French:Compositions de polyarylate ignifuges[1982/34]
Examination procedure10.11.1982Examination requested  [1983/03]
11.04.1984Despatch of a communication from the examining division (Time limit: M06)
15.10.1984Reply to a communication from the examining division
15.03.1985Despatch of communication of intention to grant (Approval: )
19.06.1985Communication of intention to grant the patent
27.09.1985Fee for grant paid
27.09.1985Fee for publishing/printing paid
Opposition(s)Opponent(s)01  29.03.1986  29.04.1986  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
 [N/P]
Former [1986/22]
Opponent(s)01  29.03.1986  29.04.1986  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
02.12.1986Invitation to proprietor to file observations on the notice of opposition
09.04.1987Reply of patent proprietor to notice(s) of opposition
12.05.1987Communication of observations of patent proprietor (Time limit: M04)
29.07.1987Reply of parties involved to observations of patent proprietor
10.12.1987Despatch of a communication from the opposition division (Time limit: M06)
16.06.1988Reply to a communication from the opposition division
02.05.1989Despatch of communication that the patent will be revoked
22.11.1991Legal effect of revocation of patent [1992/15]
Appeal following opposition04.07.1989Appeal received No.  T0427/89
08.09.1989Statement of grounds filed
22.11.1991Result of appeal procedure: appeal of the proprietor was rejected
22.11.1991Date of oral proceedings
Fees paidRenewal fee
15.12.1983Renewal fee patent year 03
07.12.1984Renewal fee patent year 04
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Lapses during opposition  TooltipLU28.02.1986
[2015/21]
Former [1999/52]CH08.01.1986
LI08.01.1986
LU28.02.1986
Former [1992/33]CH08.01.1986
LI08.01.1986
Documents cited:Search[A]DD116062
 [A]  - CHEMICAL ABSTRACTS, vol. 84, no. 26, 12th August 1974, page 61, no. 181516a, Columbus Ohio (USA); & DD-A-116 062 (WOLF FRIEDRICH et al.) (05-11-1975), & DD116062 A 00000000
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.