EP0292797 - Process for preparing particles of olefin-maleic anhydride copolymer [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.06.1994 Database last updated on 24.08.2024 | Most recent event Tooltip | 11.06.1994 | No opposition filed within time limit | published on 03.08.1994 [1994/31] | Applicant(s) | For all designated states KAO CORPORATION 14-10, Nihonbashi Kayabacho 1-chome Chuo-Ku, Tokyo 103 / JP | [N/P] |
Former [1988/48] | For all designated states Kao Corporation 14-10, Nihonbashi Kayabacho 1-chome Chuo-Ku Tokyo 103 / JP | Inventor(s) | 01 /
Ohtani, Shoji A-201, 1011-3, Maekaizukacho Funabashi-shi Chiba / JP | 02 /
Muroi, Yoshiyuki 4-1, Kinryujicho Wakayama-shi Wakayama / JP | 03 /
Tsushima, Rikio 4-21-302, Akibacho Wakayama-shi Wakayama / JP | [1989/06] |
Former [1988/48] | 01 /
Ohtani, Shoji A-201, 1011-3, Maekaizukacho Funabasi-shi Chiba / JP | ||
02 /
Muroi, Yoshiyuki 4-1, Kinryujicho Wakayama-shi Wakayama / JP | |||
03 /
Tsushima, Rikio 4-21-302, Akibacho Wakayama-shi Wakayama / JP | Representative(s) | Dr. Solf & Zapf Patent- und Rechtsanwalts PartG mbB Candidplatz 15 81543 München / DE | [N/P] |
Former [1988/48] | Patentanwälte Dr. Solf & Zapf Candidplatz 15 D-81543 München / DE | Application number, filing date | 88107643.4 | 11.05.1988 | [1988/48] | Priority number, date | JP19870127641 | 25.05.1987 Original published format: JP 12764187 | [1988/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0292797 | Date: | 30.11.1988 | Language: | EN | [1988/48] | Type: | A3 Search report | No.: | EP0292797 | Date: | 02.05.1991 | Language: | EN | [1991/18] | Type: | B1 Patent specification | No.: | EP0292797 | Date: | 11.08.1993 | Language: | EN | [1993/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1991 | Classification | IPC: | C08F210/00, C08F2/08, C08F222/06, // (C08F210/00, 222:06) | [1991/22] | CPC: |
C08F210/00 (EP,US);
C08F210/10 (EP,US)
| C-Set: |
C08F210/00, C08F2/08 (EP,US);
C08F210/10, C08F222/06 (US,EP) |
Former IPC [1988/48] | C08F210/00, C08F2/08, // (C08F210/00, 222:06) | Designated contracting states | DE, ES [1988/48] | Title | German: | Verfahren und Herstellung von Olefin-Maleinsäureanhydrid-Copolymerteilchen | [1988/48] | English: | Process for preparing particles of olefin-maleic anhydride copolymer | [1988/48] | French: | Procédé de préparation de particules de copolymères d'oléfines et d'anhydride maléique | [1988/48] | Examination procedure | 18.12.1990 | Examination requested [1991/07] | 08.01.1993 | Despatch of communication of intention to grant (Approval: Yes) | 08.02.1993 | Communication of intention to grant the patent | 08.04.1993 | Fee for grant paid | 08.04.1993 | Fee for publishing/printing paid | Opposition(s) | 12.05.1994 | No opposition filed within time limit [1994/31] | Fees paid | Renewal fee | 17.05.1990 | Renewal fee patent year 03 | 16.05.1991 | Renewal fee patent year 04 | 18.05.1992 | Renewal fee patent year 05 | 18.05.1993 | Renewal fee patent year 06 |
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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]US3793245 (CLARKE M, et al); | [AD]DE2501123 (BAYER AG); | [A]EP0009169 (BASF AG [DE]); | [A]EP0055502 (HUELS CHEMISCHE WERKE AG [DE]); | [XP]EP0260386 (HUELS CHEMISCHE WERKE AG [DE]) |