EP0119521 - Continuous process for the manufacture of polyacrylonitrile fibres and yarns [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 28.08.1992 Database last updated on 22.08.2024 | Most recent event Tooltip | 28.08.1992 | Patent maintained (B2 publication) | published on 14.10.1992 [1992/42] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
Former [1984/39] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Bueb, Michael, Dr. Meisenweg 9 D-4047 Dormagen / DE | 02 /
Paulini, Dieter, Dipl.-Ing. Im Mühlenend 46 D-4047 Dormagen / DE | 03 /
Muschelknautz, Edgar, Dr. Carl-Rumpff-Strasse 33 D-5090 Leverkusen / DE | 04 /
Wagner, Wolfram, Dr. Zeisigstrasse 9 D-4047 Dormagen / DE | 05 /
Gröschel, Herbert, Dr. Liebermannstrasse 3 D-4047 Dormagen / DE | [1984/39] | Application number, filing date | 84102121.5 | 29.02.1984 | [1984/39] | Priority number, date | DE19833308657 | 11.03.1983 Original published format: DE 3308657 | [1984/39] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0119521 | Date: | 26.09.1984 | Language: | DE | [1984/39] | Type: | A3 Search report | No.: | EP0119521 | Date: | 10.06.1987 | Language: | DE | [1987/24] | Type: | B1 Patent specification | No.: | EP0119521 | Date: | 25.01.1989 | Language: | DE | [1989/04] | Type: | B2 New European patent specification | No.: | EP0119521 | Date: | 14.10.1992 | Language: | DE | [1992/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.04.1987 | Classification | IPC: | D01F6/18, D01D5/04, D02G1/16 | [1984/39] | CPC: |
D01F6/18 (EP,US);
D02G1/122 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1984/39] | Title | German: | Kontinuierliches Verfahren zur Herstellung von Polyacrylnitrilfäden und -fasern | [1984/39] | English: | Continuous process for the manufacture of polyacrylonitrile fibres and yarns | [1984/39] | French: | Procédé en continu pour la fabrication de fibres et fils en polyacrylonitrile | [1984/39] | Examination procedure | 29.02.1984 | Examination requested [1984/39] | 29.06.1988 | Despatch of communication of intention to grant (Approval: Yes) | 18.07.1988 | Communication of intention to grant the patent | 13.08.1988 | Fee for grant paid | 13.08.1988 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
23.10.1989
17.01.1990
ADMISSIBLE HOECHST Aktiengesellschaft Zentrale Patentabteilung Postfach 80 03 20 D-65903 Frankfurt / DE | [N/P] |
Former [1989/51] | |||
Opponent(s) | 01
23.10.1989
17.01.1990
ADMISSIBLE HOECHST Aktiengesellschaft Zentrale Patentabteilung Postfach 80 03 20 D-65903 Frankfurt / DE | 29.06.1990 | Invitation to proprietor to file observations on the notice of opposition | 06.09.1990 | Reply of patent proprietor to notice(s) of opposition | 18.09.1990 | Communication of observations of patent proprietor (Time limit: M02) | 27.11.1990 | Reply of parties involved to observations of patent proprietor | 30.10.1991 | Date of oral proceedings | 28.11.1991 | Despatch of a communication from the opposition division (Time limit: M02) | 28.11.1991 | Despatch of minutes of oral proceedings | 17.01.1992 | Reply to a communication from the opposition division | 12.02.1992 | Despatch of interlocutory decision in opposition | 22.02.1992 | Legal effect of interlocutory decision in opposition | 18.05.1992 | Despatch of communication that the patent will be maintained as amended | 08.08.1992 | Fee for printing new specification paid | Fees paid | Renewal fee | 24.01.1986 | Renewal fee patent year 03 | 19.01.1987 | Renewal fee patent year 04 | 21.01.1988 | Renewal fee patent year 05 |
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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 | GB | 28.02.1991 | FR | 31.10.1991 | [1992/25] |
Former [1992/06] | GB | 28.02.1991 | Documents cited: | Search | [A]FR1198455 (UNION CARBIDE CORP); | [A]DE1494553 (BOEHME CHEM FAB KG); | [AD]US2811409 (WILLIAM CLAPP JOHN, et al); | [XP]EP0098477 (BAYER AG [DE]); | [XP]EP0098485 (BAYER AG [DE]); | [AD]DE1760004 (VEPA AG); | [AD]DE2359882 (DU PONT) |