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EP0053333
European procedure
Extract from the Register of European Patents
EP About this file: EP0053333
| EP0053333 - Process for the production of pre-foamed particles of polypropylene resin [Right-click to bookmark this link] | |||
| Former [1982/23] | Pre-foamed particles of polypropylene resin and process for production thereof | ||
| [1986/19] | Status | Patent revoked Status updated on 23.11.1990 Database last updated on 26.03.2026 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states Japan Styrene Paper Corporation 1-1, 2-chome, Uchisaiwai-cho Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1982/23] | For all designated states Japan Styrene Paper Corporation 1-1, 2-chome, Uchisaiwai-cho Chiyoda-ku Tokyo / JP | Inventor(s) | 01 /
Hirosawa, Kuninori 923-48, Numame Isehara-shi Kanagawa-ken / JP | 02 /
Shimada, Sumio 203-11-803, Takamura Hiratsuka-shi Kanagawa-ken / JP | [1982/23] | Representative(s) | Glaeser, Joachim Diehl, Glaeser, Hiltl & Partner, Patentanwälte, Postfach 34 01 15 80098 München / DE | [N/P] |
| Former [1987/16] | Glaeser, Joachim, Dipl.-Ing. Patentanwalt, Postfach 80603 D-80603 München / DE | ||
| Former [1982/23] | DIEHL GLAESER HILTL & PARTNER Patentanwälte Postfach 19 03 65 D-80603 München / DE | Application number, filing date | 81109804.5 | 20.11.1981 | [1982/23] | Priority number, date | JP19800164786 | 22.11.1980 Original published format: JP 16478680 | [1982/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0053333 | Date: | 09.06.1982 | Language: | EN | [1982/23] | Type: | B1 Patent specification | No.: | EP0053333 | Date: | 07.05.1986 | Language: | EN | [1986/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.04.1982 | Classification | IPC: | C08J9/16, C08J9/18, C08L23/16 | [1982/23] | CPC: |
C08J9/0061 (EP,US);
C08J9/16 (EP,US);
C08J9/18 (EP,US);
C08J2323/16 (EP,US);
C08J2423/00 (EP,US)
| Designated contracting states | DE, FR, GB [1982/23] | Title | German: | Verfahren zur Herstellung von vorgeschäumten Polypropylenperlen | [1986/19] | English: | Process for the production of pre-foamed particles of polypropylene resin | [1986/19] | French: | Procédé pour la production des perles prémoussées en résine de polypropylène | [1986/19] |
| Former [1982/23] | Vorgeschäumte Polypropylenperlen und Verfahren zu ihrer Herstellung | ||
| Former [1982/23] | Pre-foamed particles of polypropylene resin and process for production thereof | ||
| Former [1982/23] | Des perles prémoussées en résine de polypropylène et un procédé pour en produire | Examination procedure | 06.10.1982 | Examination requested [1982/51] | 06.09.1983 | Despatch of a communication from the examining division (Time limit: M04) | 12.01.1984 | Reply to a communication from the examining division | 16.03.1984 | Despatch of a communication from the examining division (Time limit: M04) | 18.07.1984 | Reply to a communication from the examining division | 23.10.1984 | Despatch of a communication from the examining division (Time limit: M02) | 24.12.1984 | Reply to a communication from the examining division | 11.07.1985 | Despatch of communication of intention to grant (Approval: ) | 05.11.1985 | Communication of intention to grant the patent | 15.01.1986 | Fee for grant paid | 15.01.1986 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
16.12.1986
19.01.1987
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | [N/P] |
| Former [1987/07] | |||
| Opponent(s) | 01
16.12.1986
19.01.1987
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 06.04.1987 | Invitation to proprietor to file observations on the notice of opposition | 11.08.1987 | Reply of patent proprietor to notice(s) of opposition | 31.08.1987 | Communication of observations of patent proprietor (Time limit: M02) | 14.10.1987 | Reply of parties involved to observations of patent proprietor | 15.07.1988 | Despatch of communication that the patent will be revoked | 25.07.1988 | Legal effect of revocation of patent [1991/02] | Appeal following opposition | 07.09.1988 | Appeal received No. T0444/88 | 15.11.1988 | Statement of grounds filed | 09.05.1990 | Result of appeal procedure: appeal of the proprietor was rejected | 09.05.1990 | Date of oral proceedings | 10.05.1990 | Minutes of the oral proceedings despatched | Fees paid | Renewal fee | 27.10.1983 | Renewal fee patent year 03 | 23.11.1984 | Renewal fee patent year 04 | 25.11.1985 | 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. | Documents cited: | Search | JP47026170 | JPS4726170 | CHEMICAL ABSTRACTS, Vol. 78, No. 2, 15th January 1973, page 34, No. 5001w Columbus, Ohio, U.S.A. & JP-A-47 026 170 (Chisso Co., Ltd.) 15-07-1972 * Abstract * |