EP0364378 - Process for the preparation of methyl hydroquinone [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.12.1993 Database last updated on 22.08.2024 | Most recent event Tooltip | 26.04.2002 | Lapse of the patent in a contracting state New state(s): ES | published on 12.06.2002 [2002/24] | Applicant(s) | For all designated states RHONE-POULENC CHIMIE 25 Quai Paul Doumer 92408 Courbevoie Cédex / FR | [N/P] |
Former [1990/16] | For all designated states RHONE-POULENC CHIMIE 25 Quai Paul Doumer F-92408 Courbevoie Cédex / FR | Inventor(s) | 01 /
Gubelmann, Michel 39, Boulevard des Belges F-69006 Lyon / FR | 02 /
Allandrieu, Christian 8, avenue Salvador Allende F-69100 Villeurbanne / FR | [1990/16] | Representative(s) | Dutruc-Rosset, Marie-Claude, et al Rhodia Services Direction Propriété Industrielle 40, Rue de la Haie-Coq 93306 Aubervilliers Cedex / FR | [N/P] |
Former [1992/13] | Dutruc-Rosset, Marie-Claude, et al RHONE-POULENC CHIMIE, Direction de la Propriété Industrielle, 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR | ||
Former [1990/16] | Vignally, Noel Rhône-Poulenc Chimie Service Brevets Chimie Centre de Recherches des Carrières B.P. 62 F-69192 Saint-Fons Cédex / FR | Application number, filing date | 89420384.3 | 09.10.1989 | [1990/16] | Priority number, date | FR19880014362 | 14.10.1988 Original published format: FR 8814362 | [1990/16] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0364378 | Date: | 18.04.1990 | Language: | FR | [1990/16] | Type: | B1 Patent specification | No.: | EP0364378 | Date: | 24.02.1993 | Language: | FR | [1993/08] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.02.1990 | Classification | IPC: | C07C37/055, C07C37/48, C07C39/08 | [1990/16] | CPC: |
C07C37/055 (EP,US);
C07C37/48 (US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/16] | Title | German: | Verfahren zur Herstellung von Methylhydrochinon | [1990/16] | English: | Process for the preparation of methyl hydroquinone | [1990/16] | French: | Procédé de préparation de la methylhydroquinone | [1990/16] | Examination procedure | 02.05.1990 | Examination requested [1990/27] | 30.08.1991 | Despatch of a communication from the examining division (Time limit: M06) | 23.01.1992 | Reply to a communication from the examining division | 05.05.1992 | Despatch of communication of intention to grant (Approval: Yes) | 04.08.1992 | Communication of intention to grant the patent | 04.11.1992 | Fee for grant paid | 04.11.1992 | Fee for publishing/printing paid | Opposition(s) | 25.11.1993 | No opposition filed within time limit [1994/07] | Fees paid | Renewal fee | 22.10.1991 | Renewal fee patent year 03 | 26.10.1992 | 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. | Lapses during opposition Tooltip | AT | 24.02.1993 | ES | 24.02.1993 | GR | 24.02.1993 | NL | 24.02.1993 | SE | 24.02.1993 | GB | 09.10.1993 | BE | 31.10.1993 | CH | 31.10.1993 | LI | 31.10.1993 | LU | 31.10.1993 | [2002/24] |
Former [2000/04] | AT | 24.02.1993 | |
GR | 24.02.1993 | ||
NL | 24.02.1993 | ||
SE | 24.02.1993 | ||
GB | 09.10.1993 | ||
BE | 31.10.1993 | ||
CH | 31.10.1993 | ||
LI | 31.10.1993 | ||
LU | 31.10.1993 | ||
Former [1994/49] | AT | 24.02.1993 | |
NL | 24.02.1993 | ||
SE | 24.02.1993 | ||
GB | 09.10.1993 | ||
BE | 31.10.1993 | ||
CH | 31.10.1993 | ||
LI | 31.10.1993 | ||
Former [1994/48] | AT | 24.02.1993 | |
NL | 24.02.1993 | ||
SE | 24.02.1993 | ||
BE | 31.10.1993 | ||
CH | 31.10.1993 | ||
LI | 31.10.1993 | ||
Former [1994/48] | AT | 24.02.1993 | |
NL | 24.02.1993 | ||
SE | 24.02.1993 | ||
CH | 31.10.1993 | ||
LI | 31.10.1993 | ||
Former [1994/25] | AT | 24.02.1993 | |
NL | 24.02.1993 | ||
SE | 24.02.1993 | ||
Former [1993/45] | NL | 24.02.1993 | |
SE | 24.02.1993 | ||
Former [1993/36] | SE | 24.02.1993 | Documents cited: | Search | [Y]FR657293 (SCHERING KAHLBAUM AG); | [Y]GB600839 (PETER SPENCE & SONS LTD, et al); | [A]US3728408 (TOBIAS M); | [Y]US4283572 (KLICKER JAMES D); | [Y]US4709102 (GUPTA BALARAM B G [US]) |