EP0422203 - LIQUID FEED INJECTION IN A CHLOROMETHANES PROCESS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.12.1994 Database last updated on 31.08.2024 | Most recent event Tooltip | 03.12.1994 | No opposition filed within time limit | published on 25.01.1995 [1995/04] | Applicant(s) | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Midland, Michigan 48674 / US | [N/P] |
Former [1991/16] | For all designated states THE DOW CHEMICAL COMPANY 2030 WHDC Abbott Road Midland Michigan 48674 / US | Inventor(s) | 01 /
WEST, David, H. 10165 Darryl Drive Baton Rouge, LA 70815 / US | 02 /
HEBERT, Lawrence, A. 4420 Downing Drive Baton Rouge, LA 70809 / US | 03 /
BOWLIN, Roger, L. 9687 Gene Buckel Avenue Denham Springs, LA 70726 / US | 04 /
HOLBROOK, Michael, T. 7525 Cardiff Baton Rouge, LA 70808 / US | [1991/16] | Representative(s) | Sternagel, Hans-Günther, et al Patentanwälte Sternagel & Fleischer Braunsberger Feld 29 51429 Bergisch Gladbach / DE | [N/P] |
Former [1994/40] | Sternagel, Hans-Günther, Dr., et al Patentanwälte Dr. Michael Hann Dr. H.-G. Sternagel Sander Aue 30 D-51465 Bergisch Gladbach / DE | ||
Former [1991/16] | Sternagel, Hans-Günther, Dr. Patentanwälte Dr. Michael Hann Dr. H.-G. Sternagel Sander Aue 30 D-51465 Bergisch Gladbach / DE | Application number, filing date | 90907771.1 | 20.04.1990 | [1991/16] | WO1990US02169 | Priority number, date | US19890342252 | 24.04.1989 Original published format: US 342252 | [1991/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9012774 | Date: | 01.11.1990 | Language: | EN | [1990/25] | Type: | A1 Application with search report | No.: | EP0422203 | Date: | 17.04.1991 | Language: | EN | The application published by WIPO in one of the EPO official languages on 01.11.1990 takes the place of the publication of the European patent application. | [1991/16] | Type: | B1 Patent specification | No.: | EP0422203 | Date: | 02.02.1994 | Language: | EN | [1994/05] | Search report(s) | International search report - published on: | US | 01.11.1990 | (Supplementary) European search report - dispatched on: | EP | 06.08.1991 | Classification | IPC: | C07C17/10 | [1991/16] | CPC: |
C07C17/10 (EP,KR,US);
Y02P20/582 (EP,US)
| C-Set: |
C07C17/10, C07C19/01 (EP,US)
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL [1991/16] | Title | German: | FLÜSSIG-NAHRUNGS-INJEKTION IN EINEM CHLOROMETHANVERFAHREN | [1991/16] | English: | LIQUID FEED INJECTION IN A CHLOROMETHANES PROCESS | [1991/16] | French: | INJECTION D'ALIMENTATION LIQUIDE DANS UN PROCEDE DE PREPARATION DE CHLOROMETHANES | [1991/16] | Entry into regional phase | 17.12.1990 | National basic fee paid | 17.12.1990 | Search fee paid | 17.12.1990 | Designation fee(s) paid | 17.12.1990 | Examination fee paid | Examination procedure | 17.12.1990 | Examination requested [1991/16] | 05.01.1993 | Despatch of a communication from the examining division (Time limit: M04) | 10.04.1993 | Reply to a communication from the examining division | 28.05.1993 | Despatch of communication of intention to grant (Approval: Yes) | 04.08.1993 | Communication of intention to grant the patent | 20.10.1993 | Fee for grant paid | 20.10.1993 | Fee for publishing/printing paid | Opposition(s) | 03.11.1994 | No opposition filed within time limit [1995/04] | Fees paid | Renewal fee | 02.03.1992 | Renewal fee patent year 03 | 26.02.1993 | Renewal fee patent year 04 |
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