EP0058403 - Flame retardant polyarylate compositions [Right-click to bookmark this link] | Status | Patent revoked Status updated on 20.02.1992 Database last updated on 09.09.2024 | Most recent event Tooltip | 17.04.2015 | Change - 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 date | 82101026.1 | 11.02.1982 | [1982/34] | Priority number, date | US19810233693 | 12.02.1981 Original published format: US 233693 | [1982/34] | Filing language | EN | Procedural language | EN | Publication | Type: | 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: | EP | 29.07.1982 | Classification | IPC: | 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 states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1982/34] | Title | German: | Feuerhemmende Polyarylatzusammensetzungen | [1982/34] | English: | Flame retardant polyarylate compositions | [1982/34] | French: | Compositions de polyarylate ignifuges | [1982/34] | Examination procedure | 10.11.1982 | Examination requested [1983/03] | 11.04.1984 | Despatch of a communication from the examining division (Time limit: M06) | 15.10.1984 | Reply to a communication from the examining division | 15.03.1985 | Despatch of communication of intention to grant (Approval: ) | 19.06.1985 | Communication of intention to grant the patent | 27.09.1985 | Fee for grant paid | 27.09.1985 | Fee 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 | 02.12.1986 | Invitation to proprietor to file observations on the notice of opposition | 09.04.1987 | Reply of patent proprietor to notice(s) of opposition | 12.05.1987 | Communication of observations of patent proprietor (Time limit: M04) | 29.07.1987 | Reply of parties involved to observations of patent proprietor | 10.12.1987 | Despatch of a communication from the opposition division (Time limit: M06) | 16.06.1988 | Reply to a communication from the opposition division | 02.05.1989 | Despatch of communication that the patent will be revoked | 22.11.1991 | Legal effect of revocation of patent [1992/15] | Appeal following opposition | 04.07.1989 | Appeal received No. T0427/89 | 08.09.1989 | Statement of grounds filed | 22.11.1991 | Result of appeal procedure: appeal of the proprietor was rejected | 22.11.1991 | Date of oral proceedings | Fees paid | Renewal fee | 15.12.1983 | Renewal fee patent year 03 | 07.12.1984 | Renewal fee patent year 04 |
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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. | Lapses during opposition Tooltip | LU | 28.02.1986 | [2015/21] |
Former [1999/52] | CH | 08.01.1986 | |
LI | 08.01.1986 | ||
LU | 28.02.1986 | ||
Former [1992/33] | CH | 08.01.1986 | |
LI | 08.01.1986 | 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 |