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EP0580956
European procedure
Extract from the Register of European Patents
EP About this file: EP0580956
| EP0580956 - Process for the catalytic preparation of condensation products of formaldehyde [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.01.1997 Database last updated on 24.08.2024 | Most recent event Tooltip | 10.01.1997 | No opposition filed within time limit | published on 26.02.1997 [1997/09] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1994/05] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Gehrer, Eugen, Dr. Londoner Ring 70 W-6700 Ludwigshafen / DE | 02 /
Harder, Wolfgang, Dr. Bergwaldstrasse 16 W-6940 Weinheim / DE | 03 /
Ebel, Klaus, Dr. Hochfeldstrasse 20 W-6700 Ludwigshafen / DE | 04 /
Melder, Johann-Peter, Dr. Schopenhauerstrasse 9 W-6800 Mannheim 1 / DE | 05 /
Teles, Joaquim Henrique, Dr. Maxstrasse 65 W-6700 Ludwigshafen / DE | [1994/05] | Application number, filing date | 93105619.6 | 05.04.1993 | [1994/05] | Priority number, date | DE19924212264 | 11.04.1992 Original published format: DE 4212264 | DE19924230144 | 11.09.1992 Original published format: DE 4230144 | [1994/05] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0580956 | Date: | 02.02.1994 | Language: | DE | [1994/05] | Type: | B1 Patent specification | No.: | EP0580956 | Date: | 06.03.1996 | Language: | DE | [1996/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.09.1993 | Classification | IPC: | C07C45/75, C07C47/19, C07D249/14 | [1994/05] | CPC: |
C07D249/14 (EP,US);
C07C45/75 (EP,US)
| C-Set: |
C07C45/75, C07C47/19 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL [1994/05] | Title | German: | Verfahren zur katalytischen Herstellung von Kondensationsprodukten des Formaldehyds | [1994/05] | English: | Process for the catalytic preparation of condensation products of formaldehyde | [1994/05] | French: | Procédé pour la préparation catalytique de produits de condensation de formaldéhyde | [1994/05] | Examination procedure | 09.10.1993 | Examination requested [1994/05] | 22.05.1995 | Despatch of a communication from the examining division (Time limit: M04) | 10.06.1995 | Reply to a communication from the examining division | 01.08.1995 | Despatch of communication of intention to grant (Approval: Yes) | 21.08.1995 | Communication of intention to grant the patent | 15.09.1995 | Fee for grant paid | 15.09.1995 | Fee for publishing/printing paid | Opposition(s) | 07.12.1996 | No opposition filed within time limit [1997/09] | Fees paid | Renewal fee | 27.04.1995 | Renewal fee patent year 03 |
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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 | [X]DE161235 ; | [A]US2224910 (HANFORD WILLIAM E, et al); | [A]US4615970 (KOJIMA TETSURO [JP], et al) | [AD] - TETRAHEDRON LETTERS. Bd. 21, 1980, OXFORD GB Seiten 4517 - 4520 J. CASTELLS ET AL. 'The " Formoin Reaction " : A Promising Entry to Carbohydrates from Formaldehyde.' | Examination | - Cannon et al., Aust. J. Chem., 1980, 33, 2237-2247 |