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EP0109375
European procedure
Extract from the Register of European Patents
EP About this file: EP0109375
| EP0109375 - Process for preparing elastoplastic compositions [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 03.04.1992 Database last updated on 11.04.2026 | Most recent event Tooltip | 03.04.1992 | Patent maintained (B2 publication) | published on 20.05.1992 [1992/21] | Applicant(s) | For all designated states Monsanto Company 800 North Lindbergh Boulevard St. Louis Missouri 63167-7020 / US | [N/P] |
| Former [1984/21] | For all designated states Monsanto Company 800 North Lindbergh Boulevard St. Louis Missouri 63167-7020 / US | Inventor(s) | 01 /
Wang, Yun Liang 424 Barrenwood Wadsworth, OH 44281 / US | [1986/52] |
| Former [1984/21] | 01 /
Wang, Yun Liang 424 Barrenwood Wadsworth Ohio 44281 / US | Representative(s) | Ter Meer Steinmeister & Partner Patentanwälte mbB Mauerkircherstrasse 45 81679 München / DE | [N/P] |
| Former [1988/36] | TER MEER - MÜLLER - STEINMEISTER & PARTNER Mauerkircherstrasse 45 D-81679 München / DE | ||
| Former [1984/21] | Lunt, John Cooper Monsanto Europe S.A. Patent Department Avenue de Tervuren 270-272 Letter Box No 1 B-1150 Brussels / BE | Application number, filing date | 83870108.4 | 18.10.1983 | [1984/21] | Priority number, date | US19820435540 | 20.10.1982 Original published format: US 435540 | [1984/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0109375 | Date: | 23.05.1984 | Language: | EN | [1984/21] | Type: | B1 Patent specification | No.: | EP0109375 | Date: | 30.12.1986 | Language: | EN | [1986/52] | Type: | B2 New European patent specification | No.: | EP0109375 | Date: | 20.05.1992 | Language: | EN | [1992/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.04.1984 | Classification | IPC: | C08J3/24, C08L23/02 | [1984/21] | CPC: |
C08J3/243 (EP,US);
C08K3/22 (EP,US);
C08K3/346 (EP,US);
C08L23/10 (EP,US);
C08L23/16 (EP,US);
C08L91/00 (EP,US);
| C-Set: |
C08L23/16, C08K3/22, C08K3/346, C08L23/10, C08L91/00, C08L2312/04, C08L2666/04 (EP,US)
| Designated contracting states | BE, DE, FR, GB [1984/21] | Title | German: | Verfahren zur Herstellung thermoplastischer elastomerer Zusammensetzungen | [1984/21] | English: | Process for preparing elastoplastic compositions | [1984/21] | French: | Procédé pour la préparation de compositions élastomères thermoplastiques | [1984/21] | Examination procedure | 12.10.1984 | Examination requested [1984/51] | 18.09.1985 | Despatch of a communication from the examining division (Time limit: M04) | 18.01.1986 | Reply to a communication from the examining division | 12.03.1986 | Despatch of communication of intention to grant (Approval: ) | 26.06.1986 | Communication of intention to grant the patent | 21.08.1986 | Fee for grant paid | 21.08.1986 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
23.07.1987
18.08.1987
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | 02
30.09.1987
04.11.1987
ADMISSIBLE Exxon Chemical Patents Inc. 1900 East Linden Avenue Linden, New Jersey 07036 / US Opponent's representative Dew, Melvyn John Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P.Po. Box 1 Abingdon, Oxfordshire, OX13 6BB / GB | [N/P] |
| Former [1987/48] | |||
| Opponent(s) | 01
23.07.1987
18.08.1987
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | ||
| 02
30.09.1987
04.11.1987
ADMISSIBLE Exxon Chemical Patents Inc. 1900 East Linden Avenue Linden, New Jersey 07036 / US Opponent's representative Dew, Melvyn John Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P.Po. Box 1 Abingdon Oxfordshire, OX13 6BB / GB | |||
| Former [1987/38] | |||
| Opponent(s) | 01
23.07.1987
18.08.1987
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | 05.11.1987 | Invitation to proprietor to file observations on the notice of opposition | 06.05.1988 | Reply of patent proprietor to notice(s) of opposition | 26.05.1988 | Communication of observations of patent proprietor (Time limit: M08) | 03.02.1989 | Reply of parties involved to observations of patent proprietor | 22.02.1991 | Despatch of a communication from the opposition division (Time limit: M02) | 04.04.1991 | Reply to a communication from the opposition division | 08.05.1991 | Despatch of interlocutory decision in opposition | 18.05.1991 | Legal effect of interlocutory decision in opposition | 12.12.1991 | Despatch of communication that the patent will be maintained as amended | 20.02.1992 | Fee for printing new specification paid | Fees paid | Renewal fee | 31.08.1985 | Renewal fee patent year 03 | 04.09.1986 | 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 | FR2149719 (UNIROYAL INC et al.) | FR2122965 (UNIROYAL INC et al.) | US3884993 (GROS HAROLD J et al.) | EP0046285 (MONTEDISON SPA et al.) | by applicant | US4104210 | US4130535 | US4141863 | US4173556 | US4299931 | US4311628 |