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EP0372900
European procedure
Extract from the Register of European Patents
EP About this file: EP0372900
| EP0372900 - Process for drying hydrogen fluoride - carboxylic acid mixtures [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.12.1994 Database last updated on 16.07.2024 | Most recent event Tooltip | 24.12.1994 | No opposition filed within time limit | published on 15.02.1995 [1995/07] | Applicant(s) | For all designated states HOECHST CELANESE CORPORATION Route 202-206 North Somerville, N.J. 08876 / US | [1992/14] |
| Former [1990/24] | For all designated states HOECHST CELANESE CORPORATION Route 202-206 North, P.O. Box 2500 Somerville, NJ 08876-1258 / US | Inventor(s) | 01 /
Lindley, Daniel D. Am Vogelgesang 23 D-6239 Eppstein 3 / DE | 02 /
Murphy, Carl David 446 Cole Corpus Christi Texas / US | [1990/24] | Representative(s) | De Minvielle-Devaux, Ian Benedict Peter, et al CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA / GB | [1990/24] | Application number, filing date | 89312657.3 | 05.12.1989 | [1990/24] | Priority number, date | US19880281302 | 06.12.1988 Original published format: US 281302 | [1990/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0372900 | Date: | 13.06.1990 | Language: | EN | [1990/24] | Type: | A3 Search report | No.: | EP0372900 | Date: | 13.03.1991 | Language: | EN | [1991/11] | Type: | B1 Patent specification | No.: | EP0372900 | Date: | 23.02.1994 | Language: | EN | [1994/08] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.01.1991 | Classification | IPC: | C07C45/46, C07C45/83, C07C49/825 | [1990/24] | CPC: |
C07C51/44 (EP,US);
C01B7/195 (EP,US);
C01B7/196 (EP,US);
C07C45/46 (EP,US);
C07C45/83 (EP,US)
| C-Set: |
C07C51/44, C07C53/08 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/24] | Title | German: | Verfahren zum Trocknen von Hydrogen-Fluorid-Carbonsäure-Mischungen | [1990/24] | English: | Process for drying hydrogen fluoride - carboxylic acid mixtures | [1990/24] | French: | Procédé de séchage de mélanges d'acide fluorhydrique-acide carboxylique | [1990/24] | Examination procedure | 02.08.1991 | Examination requested [1991/39] | 01.02.1993 | Despatch of a communication from the examining division (Time limit: M04) | 02.06.1993 | Reply to a communication from the examining division | 02.07.1993 | Despatch of communication of intention to grant (Approval: Yes) | 25.08.1993 | Communication of intention to grant the patent | 23.09.1993 | Fee for grant paid | 23.09.1993 | Fee for publishing/printing paid | Opposition(s) | 24.11.1994 | No opposition filed within time limit [1995/07] | Fees paid | Renewal fee | 24.09.1991 | Renewal fee patent year 03 | 23.09.1992 | Renewal fee patent year 04 | 27.09.1993 | 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 | [AD]US2388156 (KELLEY CARL S); | [A]FR2261250 (HOECHST AG [DE]); | [AD]EP0071293 (BADGER BV [NL]); | [AD]US4663485 (MURPHY CARL D [US], et al) |