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EP0306874
European procedure
Extract from the Register of European Patents
EP About this file: EP0306874
| EP0306874 - Process for working-up distillation residues obtained during the purification of caprolactam [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.10.1995 Database last updated on 02.09.2024 | Most recent event Tooltip | 19.10.1995 | No opposition filed within time limit | published on 06.12.1995 [1995/49] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1989/11] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Fuchs, Hugo, Dr. Egellstrasse 28 D-6700 Ludwigshafen / DE | [1989/11] | Application number, filing date | 88114431.5 | 03.09.1988 | [1989/11] | Priority number, date | DE19873729853 | 05.09.1987 Original published format: DE 3729853 | [1989/11] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0306874 | Date: | 15.03.1989 | Language: | DE | [1989/11] | Type: | A3 Search report | No.: | EP0306874 | Date: | 18.07.1990 | Language: | DE | [1990/29] | Type: | B1 Patent specification | No.: | EP0306874 | Date: | 14.12.1994 | Language: | DE | [1994/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.05.1990 | Classification | IPC: | C07D201/16 | [1989/11] | CPC: |
C07D201/16 (EP,US)
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL [1989/11] | Title | German: | Verfahren zur Aufarbeitung von Destillationsrückständen, die bei der Reinigung von Caprolactam anfallen | [1989/11] | English: | Process for working-up distillation residues obtained during the purification of caprolactam | [1989/11] | French: | Procédé d'élaboration de résidus de distillation obtenus lors de la purification du caprolactame | [1989/11] | Examination procedure | 13.06.1990 | Examination requested [1990/32] | 17.12.1992 | Despatch of a communication from the examining division (Time limit: M04) | 08.04.1993 | Reply to a communication from the examining division | 02.09.1993 | Despatch of a communication from the examining division (Time limit: M04) | 20.09.1993 | Reply to a communication from the examining division | 15.02.1994 | Despatch of a communication from the examining division (Time limit: M02) | 03.03.1994 | Reply to a communication from the examining division | 16.03.1994 | Despatch of communication of intention to grant (Approval: No) | 10.06.1994 | Despatch of communication of intention to grant (Approval: later approval) | 15.06.1994 | Communication of intention to grant the patent | 27.07.1994 | Fee for grant paid | 27.07.1994 | Fee for publishing/printing paid | Opposition(s) | 15.09.1995 | No opposition filed within time limit [1995/49] | Fees paid | Renewal fee | 13.09.1990 | Renewal fee patent year 03 | 02.01.1991 | Renewal fee patent year 04 | 16.09.1992 | Renewal fee patent year 05 | 20.09.1993 | Renewal fee patent year 06 | 17.09.1994 | Renewal fee patent year 07 |
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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]NL8303028 ; | [A]RO62566 ; | [A]EP0138241 (STAMICARBON [NL]); | [A]EP0022161 (BASF AG [DE]); | [Y]DE858702 (HUELS CHEMISCHE WERKE GMBH); | [Y]DD202870 (LEUNA WERKE VEB [DD]); | [Y]NL7312718 | [A] - CHEMICAL ABSTRACTS, Band 103, Nr. 10, 9. September 1985, Seite 7, Zusammenfassung Nr. 71812x, Columbus, Ohio, US; & NL-A-83 03 028 (STAMICARBON B.V.) 18-03-1985, & NL8303028 A 00000000 | [A] - CHEMICAL ABSTRACTS, Band 92, Nr. 2, 14. Januar 1980, Seite 16, Zusammenfassung Nr. 7163p, Columbus, Ohio, US; & RO-A-62 566 (INTREPRINDERA DE FIBRE SINTETICE, SAVINESTI) 25-08-1973, & RO62566 A 00000000 |