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EP0013436
European procedure
Extract from the Register of European Patents
EP About this file: EP0013436
| EP0013436 - Process for preparing p,p'-biphenol of high purity [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 26.06.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | [N/P] |
| Former [1980/15] | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | Inventor(s) | 01 /
Cardenas, Jorge Nicanor 574 Auten Road Somerville New Jersey / US | 02 /
Reichle, Walter Thomas 158 Mountain Avenue Warren New Jersey / US | [1980/15] | Representative(s) | Schmied-Kowarzik, Volker, et al Patentanwälte Dipl.-Ing. P. Wirth Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Siegfriedstrasse 8 D-8000 München 40 / DE | [N/P] |
| Former [1980/15] | Schmied-Kowarzik, Volker, Dr., et al Patentanwälte Dipl.-Ing. P. Wirth Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Siegfriedstrasse 8 D-8000 München 40 / DE | Application number, filing date | 79105405.9 | 31.12.1979 | [1980/15] | Priority number, date | US19790000120 | 02.01.1979 Original published format: US 120 | [1980/15] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0013436 | Date: | 23.07.1980 | Language: | EN | [1980/15] | Type: | B1 Patent specification | No.: | EP0013436 | Date: | 01.12.1982 | Language: | EN | [1982/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.05.1980 | Classification | IPC: | C07C39/15, C07C37/50, C07C37/11 | [1980/15] | CPC: |
C07C37/11 (EP,US);
C07C37/50 (EP,US)
| C-Set: |
C07C37/11, C07C39/15 (EP,US);
C07C37/50, C07C39/15 (US,EP) | Designated contracting states | BE, DE, FR, GB, IT [1980/15] | Title | German: | Verfahren zur Herstellung von p,p'-Biphenol hoher Reinheit | [1980/15] | English: | Process for preparing p,p'-biphenol of high purity | [1980/15] | French: | Procédé de préparation du p,p'-biphénol de haute pureté | [1980/15] | Examination procedure | 07.01.1981 | Examination requested [1981/13] | 21.05.1981 | Despatch of a communication from the examining division (Time limit: M06) | 22.10.1981 | Reply to a communication from the examining division | 05.04.1982 | Despatch of communication of intention to grant (Approval: ) | 02.06.1982 | Communication of intention to grant the patent | 27.08.1982 | Fee for grant paid | 27.08.1982 | Fee for publishing/printing paid | Opposition(s) | 01.09.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 07.01.1982 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 31.12.1981 | 03 M06 Not yet paid |
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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]JPS5191238 ; | US2366497 [ ] (DAWSON OLIVER H); | US2885444 [ ] (HIRAM FOOKES JAMES, et al); | [D]US3562338 (ZAWESKI EDWARD F); | DE2237185 [ ] (STERLITAMAXKIJ O PROMYSCHLENNI) | [A] - CHEMICAL ABSTRACTS, Vol. 85, No. 25, December 20, 1976, Abstract 192361t Columbus, OhioUSA & JP-A-51 091238 (TEIJIN LTD.) (10-08-1976) * The whole Abst ract * |