EP0002373 - A method of making 2,4,5-trichlorophenol [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 22.02.1982 Database last updated on 26.07.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states STERWIN AG. Zeughausgasse 9 CH-6300 Zug / CH | [1980/11] |
Former [1980/11] | For all designated states STERWIN A.G. Zeughausgasse 9 Zug / CH | Inventor(s) | 01 /
Cuthbertson, Eric Organics Dudley Cramlington Northumberland / GB | [N/P] | Representative(s) | Pennant, Pyers, et al Stevens, Hewlett & Perkins Halton House 20/23 Holborn London EC1N 2JD / GB | [N/P] | Application number, filing date | 78300722.2 | 01.12.1978 | Priority number, date | GB19770050773 | 06.12.1977 Original published format: GB 5077377 | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0002373 | Date: | 13.06.1979 | Language: | EN | [N/P] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.03.1979 | Classification | IPC: | C07C37/00, C07C39/32 | CPC: |
C07C37/62 (EP,US)
| C-Set: |
C07C37/62, C07C39/32 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LU, NL, SE | Title | German: | Verfahren zur Herstellung von 2,4,5-Trichlorphenol | English: | A method of making 2,4,5-trichlorophenol | French: | Procédé de préparation de 2,4,5-trichlorophénol | File destroyed: | 12.02.1989 | Examination procedure | 22.11.1979 | Examination requested [1980/04] | 06.02.1980 | Despatch of a communication from the examining division (Time limit: M06) | 15.07.1980 | Reply to a communication from the examining division | 03.10.1980 | Despatch of communication of intention to grant (Approval: ) | 30.04.1981 | Communication of intention to grant the patent | 16.09.1981 | Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [1982/17] | 26.11.1981 | Application deemed to be withdrawn, date of legal effect [1982/17] | Fees paid | Renewal fee | 22.10.1980 | Renewal fee patent year 03 |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 | [A]US2665314 (KRANTZ KARL W); | [X]US2756260 (WIDIGER JR ALEXANDER H) | [A] - Chemisches Zentralblatt vol. 100, no. 24, 1929 I L.G. GROVES et al "Die Spaltung von Diaryl{thern und verwandten Verbindungen durch Piperidin. II Die Nitrierung von 2.4.4'-Trichlordiphenyl{ther und 2.4-Dichlorphenyl-p-toluolsulfonat und -benzoat" page 2877lines 40 to 42 & Journal of the Chemical Society of London 1929 page 512 | [A] - Chemisches Zentralblatt vol. 102, no. 8, 1931 II M. KOHN et al "]ber Dichlorphenole, Trichlorphenole und ihre Bromierungsprodukte. 36. Mitt. }ber Bromphenole" page 1129, lines 56 to 57 and 61; page 1130, lines 1 to 2 & Monatshefte der Chemie vol. 581931 pages 73 to 91 |