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EP0579301
European procedure
Extract from the Register of European Patents
EP About this file: EP0579301
| EP0579301 - Process for producing biphenol skeleton-containing epoxy resins [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.04.1997 Database last updated on 19.07.2024 | Most recent event Tooltip | 04.04.1997 | No opposition filed within time limit | published on 21.05.1997 [1997/21] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
| Former [1994/03] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Murata, Yasuyuki, c/o Yuka Shell Epoxy KK Nishiazabu Mitsui Building, 17-30 Nishiazabu 4-chome, Minato-ku, Tokyo 106 / JP | 02 /
Nakanishi, Yoshinori, c/o Yuka Shell Epoxy KK Nishiazabu Mitsui Building, 17-30 Nishiazabu 4-chome, Minato-ku, Tokyo 106 / JP | 03 /
Yoshimura, Masanori, c/o Yuka Shell Epoxy KK Nishiazabu Mitsui Building, 17-30 Nishiazabu 4-chome, Minato-ku, Tokyo 106 / JP | [1994/03] | Application number, filing date | 93201746.0 | 17.06.1993 | [1994/03] | Priority number, date | JP19920184650 | 19.06.1992 Original published format: JP 18465092 | [1994/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0579301 | Date: | 19.01.1994 | Language: | EN | [1994/03] | Type: | A3 Search report | No.: | EP0579301 | Date: | 27.04.1994 | Language: | EN | [1994/17] | Type: | B1 Patent specification | No.: | EP0579301 | Date: | 22.05.1996 | Language: | EN | [1996/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.03.1994 | Classification | IPC: | C08G59/06, C08G59/24 | [1994/03] | CPC: |
C08G59/06 (KR);
C08G59/063 (EP);
C08G59/245 (EP)
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL [1994/03] | Title | German: | Verfahren zur Herstellung von Biphenolskelett aufweisenden Epoxyharzen | [1994/03] | English: | Process for producing biphenol skeleton-containing epoxy resins | [1994/03] | French: | Procédé de préparation de résines époxydes ayant une squelette biphénolique | [1994/03] | Examination procedure | 12.08.1994 | Examination requested [1994/41] | 21.11.1994 | Despatch of a communication from the examining division (Time limit: M04) | 21.03.1995 | Reply to a communication from the examining division | 16.05.1995 | Despatch of a communication from the examining division (Time limit: M02) | 26.05.1995 | Reply to a communication from the examining division | 01.09.1995 | Despatch of communication of intention to grant (Approval: Yes) | 27.11.1995 | Communication of intention to grant the patent | 20.02.1996 | Fee for grant paid | 20.02.1996 | Fee for publishing/printing paid | Opposition(s) | 25.02.1997 | No opposition filed within time limit [1997/21] | Fees paid | Renewal fee | 27.06.1995 | Renewal fee patent year 03 |
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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 | [DY]EP0103282 (DOW CHEMICAL CO [US]) [DY] 1-8 * example 4; claim - *; | [Y]GB2001991 (SHELL INT RESEARCH) [Y] 1-8; | [A]US2986552 (JOHN LANDUA ALTON, et al) [A] 1 * column 3, line 37 - line 40; claim - *; | [A]GB986250 (SHELL INT RESEARCH) [A] 1 * page 1, line 74 - line 75; example -; claim - *; | [A]DD153882 ; | [A]GB1007854 (DEVOE & RAYNOLDS CO) [A] 1 * claim -; table VI *; | [A]US3767618 (HAIRSTON T, et al) [A] 1 * claim - * | [A] - DATABASE WPI, 2, Derwent World Patents Index, vol. 82, no. 29, Database accession no. 82-59533, & DD153882 A 19820210 (VEB LEUNA-WERK W ULBRICH) [A] 1 * abstract * |