-
EP0005738
European procedure
Extract from the Register of European Patents
EP About this file: EP0005738
| EP0005738 - Method for the preparation of hexahydrophthalic acid anhydride [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 14.06.1983 Database last updated on 26.07.2024 | Most recent event Tooltip | 05.09.2008 | Change - opposition data/opponents data or that of the opponents representative | published on 08.10.2008 [2008/41] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] | Inventor(s) | 01 /
Halcour, Kurt, Dr. Gellertstrasse 14 D-5090 Leverkusen / DE | 02 /
Waldmann, Helmut, Dr. Carl-Rumpff-Strasse 59 D-5090 Leverkusen / DE | 03 /
Schwerdtel, Wulf, Dr. Hegelstrasse 9 D-5090 Leverkusen / DE | [N/P] | Application number, filing date | 79101323.8 | 02.05.1979 | Priority number, date | DE19782823164 | 26.05.1978 Original published format: DE 2823164 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0005738 | Date: | 12.12.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0005738 | Date: | 26.11.1980 | Language: | DE | [1980/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.10.1979 | Classification | IPC: | C07D307/89, C07B1/00 | [1980/24] | CPC: |
C07C51/36 (EP)
| C-Set: |
C07C51/36, C07C61/09 (EP)
|
| Former IPC [1980/24] | C07D307/89 | Designated contracting states | BE, CH, DE, FR, GB, IT, NL | Title | German: | Verfahren zur Herstellung von Hexahydrophthalsäure-anhydrid | English: | Method for the preparation of hexahydrophthalic acid anhydride | French: | Méthode de préparation de l'anhydride de l'acide hexahydrophtalique | Examination procedure | 04.05.1979 | Examination requested | 05.03.1980 | Despatch of communication of intention to grant (Approval: ) | 28.05.1980 | Communication of intention to grant the patent | 12.06.1980 | Fee for grant paid | 12.06.1980 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
25.08.1981
03.11.1981
ADMISSIBLE Deutsche Texaco AG Überseering 40 D-2000 Hamburg 60 / DE Opponent's representative Müller, Hans-Jürgen, et al, et al Müller Schupfner & Partner Patentanwälte Bavariaring 11 80336 München / DE | [N/P] |
| Former [2008/41] | |||
| Opponent(s) | 01
25.08.1981
03.11.1981
ADMISSIBLE Deutsche Texaco AG Überseering 40 D-2000 Hamburg 60 / DE Opponent's representative Müller, Hans-Jürgen, et al, et al Müller Schupfner & Partner Patentanwälte Bavariaring 11 80336 München / DE | ||
| Former [1981/52] | |||
| Opponent(s) | 01
25.08.1981
03.11.1981
ADMISSIBLE Deutsche Texaco AG Überseering 40 D-2000 Hamburg 60 / DE Opponent's representative Müller, Hans-Jürgen, et al, et al Müller, Schupfner & Gauger Karlstrasse 5 D-21244 Buchholz / DE | 23.10.1981 | No. 01: Notification indicating deficiencies in the notice of opposition | 23.10.1981 | No. 01: Reply to notification indicating deficiencies in the notice of opposition | 17.09.1982 | Invitation to proprietor to file observations on the notice of opposition | 21.10.1982 | Reply of patent proprietor to notice(s) of opposition | 17.02.1983 | Date of despatch of rejection of opposition | 28.04.1983 | No opposition filed within time limit [1983/33] | 28.04.1983 | Legal effect of rejection of opposition [1983/33] | 08.07.1998 | Deletion: No opposition filed within time limit [1998/28] |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | BE | 02.05.1982 | NL | 01.12.1982 | [1983/44] |
| Former [1983/43] | NL | 01.12.1982 | Documents cited: | Search | DE961622 [ ] (ALLIED CHEM & DYE CORP [US]) |