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EP0451650
European procedure
Extract from the Register of European Patents
EP About this file: EP0451650
| EP0451650 - Method for the production of o-hydroxy-benzaldehydes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.06.1995 Database last updated on 02.11.2024 | Most recent event Tooltip | 24.06.1995 | No opposition filed within time limit | published on 16.08.1995 [1995/33] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1991/42] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Schnatterer, Albert, Dr. Walter-Flex-Strasse 32 W-5090 Leverkusen / DE | 02 /
Fiege, Helmut, Dr. Walter-Flex-Strasse 23 W-5090 Leverkusen / DE | 03 /
Neumann, Karl-Heinz, Dr. Vilicher-Strasse 81 W-5205 St. Augustin 2 / DE | [1991/42] | Application number, filing date | 91105110.0 | 30.03.1991 | [1991/42] | Priority number, date | DE19904012008 | 13.04.1990 Original published format: DE 4012008 | [1991/42] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0451650 | Date: | 16.10.1991 | Language: | DE | [1991/42] | Type: | B1 Patent specification | No.: | EP0451650 | Date: | 24.08.1994 | Language: | DE | [1994/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.07.1991 | Classification | IPC: | C07C45/36, C07C47/565 | [1991/42] | CPC: |
C07C45/36 (EP,US);
B01J31/183 (EP,US);
B01J2531/0241 (EP,US);
B01J2531/72 (EP,US);
B01J2531/842 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, FR, GB, IT, LI, NL, SE [1991/42] | Title | German: | Verfahren zur Herstellung von o-Hydroxy-benzaldehyden | [1991/42] | English: | Method for the production of o-hydroxy-benzaldehydes | [1991/42] | French: | Procédé pour la fabrication d'o-hydroxy-benzaldéhydesl | [1991/42] | Examination procedure | 03.06.1992 | Examination requested [1992/31] | 09.11.1993 | Despatch of a communication from the examining division (Time limit: M04) | 16.12.1993 | Reply to a communication from the examining division | 28.01.1994 | Despatch of communication of intention to grant (Approval: Yes) | 22.02.1994 | Communication of intention to grant the patent | 14.04.1994 | Fee for grant paid | 14.04.1994 | Fee for publishing/printing paid | Opposition(s) | 25.05.1995 | No opposition filed within time limit [1995/33] | Fees paid | Renewal fee | 11.02.1993 | Renewal fee patent year 03 | 18.02.1994 | Renewal fee patent year 04 | Penalty fee | Penalty fee Rule 85b EPC 1973 | 22.05.1992 | M01 Fee paid on 03.06.1992 |
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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 | [A]JP62135443 ; | [A]DE1128847 (RUHRCHEMIE AG); | [AD]EP0012939 (SUMITOMO CHEMICAL CO [JP]); | [A]EP0330036 (BAYER AG [DE]) | [A] - PATENT ABSTRACTS OF JAPAN, vol. 11, no. 365 (C-460)[2812] 27 November 1987; & JP-A-62 135 443 (C. K. FINE KEMIKARUZU) 18 Juni 1987,, & JP62135443 A 19871127 |