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EP0164874
European procedure
Extract from the Register of European Patents
EP About this file: EP0164874
| EP0164874 - Process for producing a heat-resistant copolymer of alpha-methylstyrene and acrylonitrile, and thermoplastic resin composition containing the same [Right-click to bookmark this link] | |||
| Former [1985/51] | Heat-resistant copolymer of x-methylstyrene and acrylonitrile, process for preparing the same, and thermoplastic resin composition containing the same | ||
| [1989/17] | Status | Opposition rejected Status updated on 08.08.1995 Database last updated on 29.03.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states JAPAN SYNTHETIC RUBBER CO., LTD. 11-24, Tsukiji-2-chome Chuo-ku Tokyo 104 / JP | [N/P] |
| Former [1985/51] | For all designated states JAPAN SYNTHETIC RUBBER CO., LTD. 11-24, Tsukiji-2-chome Chuo-ku Tokyo 104 / JP | Inventor(s) | 01 /
Shimozato, Yasuyuki 1-17-404, Morigayamacho Yokkaichi-shi / JP | 02 /
Tsuchikawa, Syuji 10-1, Mitakidai-1-chome Yokkaichi-shi / JP | 03 /
Kimura, Shinichi 12-16, Mitakidai-4-chome Yokkaichi-shi / JP | 04 /
Noro, Masahiko Aobaryo, 29, Aobadai-2-chome Midori-ku Yokohama / JP | [1985/51] | Representative(s) | Tubby, David George, et al Marks & Clerk LLP 90 Long Acre London WC2E 9RA / GB | [N/P] |
| Former [1985/51] | Tubby, David George, et al MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS / GB | Application number, filing date | 85303146.6 | 02.05.1985 | [1985/51] | Priority number, date | JP19840113853 | 05.06.1984 Original published format: JP 11385384 | JP19840133056 | 29.06.1984 Original published format: JP 13305684 | [1985/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0164874 | Date: | 18.12.1985 | Language: | EN | [1985/51] | Type: | B1 Patent specification | No.: | EP0164874 | Date: | 26.04.1989 | Language: | EN | [1989/17] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.08.1985 | Classification | IPC: | C08F212/12, C08L25/16, // (C08F212/12, 220:44) | [1985/51] | CPC: |
C08F212/12 (EP,KR,US);
C08L25/16 (EP,US)
| C-Set: |
C08L25/16, C08L2666/24 (EP,US)
| Designated contracting states | DE, GB, IT, NL [1985/51] | Title | German: | Verfahren zur Herstellung eines hitzebeständigen Copolymers von alpha-Methylstyrol und Acrylnitril und dieses enthaltende thermoplastische Harzzusammensetzung | [1989/17] | English: | Process for producing a heat-resistant copolymer of alpha-methylstyrene and acrylonitrile, and thermoplastic resin composition containing the same | [1989/17] | French: | Procédé de préparation d'un copolymère d'alpha méthylstyrène et d'acrylonitrile résistant à la chaleur et composition de résine thermoplastique le contenant | [1989/17] |
| Former [1985/51] | Hitzebeständige Copolymere von alpha-Methylstyrol und Acrylonitril, Verfahren zu deren Herstellung und diese enthaltende thermoplastische Harzzusammensetzungen | ||
| Former [1985/51] | Heat-resistant copolymer of x-methylstyrene and acrylonitrile, process for preparing the same, and thermoplastic resin composition containing the same | ||
| Former [1985/51] | Copolymère d'alpha méthylstyrène résistant à la chaleur et acrylonitrile, procédé de leur préparation et compositions de résine thermoplastique les contenant | Examination procedure | 14.02.1986 | Examination requested [1986/17] | 30.03.1987 | Despatch of a communication from the examining division (Time limit: M06) | 06.10.1987 | Reply to a communication from the examining division | 27.11.1987 | Despatch of a communication from the examining division (Time limit: M04) | 31.03.1988 | Reply to a communication from the examining division | 13.07.1988 | Despatch of communication of intention to grant (Approval: No) | 17.10.1988 | Despatch of communication of intention to grant (Approval: later approval) | 25.10.1988 | Communication of intention to grant the patent | 25.01.1989 | Fee for grant paid | 25.01.1989 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
22.09.1989
26.03.1990
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | [N/P] |
| Former [1989/46] | |||
| Opponent(s) | 01
22.09.1989
26.03.1990
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | 28.03.1990 | Invitation to proprietor to file observations on the notice of opposition | 02.10.1990 | Reply of patent proprietor to notice(s) of opposition | 10.01.1991 | Communication of observations of patent proprietor (Time limit: M02) | 19.01.1991 | Reply of parties involved to observations of patent proprietor | 01.07.1991 | Despatch of a communication from the opposition division (Time limit: M04) | 10.11.1991 | Reply to a communication from the opposition division | 02.07.1992 | Date of despatch of rejection of opposition | 13.07.1995 | Legal effect of rejection of opposition [1995/39] | Appeal following opposition | 06.08.1992 | Appeal received No. T0737/92 | 06.08.1992 | Statement of grounds filed | 12.06.1995 | Result of appeal procedure: appeal of the opponent was rejected | Fees paid | Renewal fee | 14.05.1987 | Renewal fee patent year 03 | 17.05.1988 | 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. | Documents cited: | Search | [A]EP0041703 (SUMITOMO NAUGATUCK [JP]); | [A]EP0042572 (KANEGAFUCHI CHEMICAL IND [JP]); | [A]US4427832 (YAGI NORIO [JP], et al) |