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EP0050923
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EP About this file: EP0050923
| EP0050923 - Polyacrylate thickening agents [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 25.09.1984 Database last updated on 26.04.2025 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states CELANESE CORPORATION 1211 Avenue of the Americas New York New York 10036 / US | [N/P] |
| Former [1982/18] | For all designated states CELANESE CORPORATION 1211 Avenue of the Americas New York New York 10036 / US | Inventor(s) | 01 /
Dammann, Laurence G. 5604 Montfort Lane Crestwood Kentucky / US | [1982/18] | Representative(s) | De Minvielle-Devaux, Ian Benedict Peter, et al CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA / GB | [1982/18] | Application number, filing date | 81304596.0 | 05.10.1981 | [1982/18] | Priority number, date | US19800196009 | 10.10.1980 Original published format: US 196009 | US19810248164 | 30.03.1981 Original published format: US 248164 | [1982/18] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0050923 | Date: | 05.05.1982 | Language: | EN | [1982/18] | Type: | A3 Search report | No.: | EP0050923 | Date: | 27.10.1982 | Language: | EN | [1982/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.08.1982 | Classification | IPC: | C08F220/04, C09D7/00, C08L33/00, // (C08F220/04, 220:26, 216:14) | [1982/18] | CPC: |
C09D11/03 (EP,US);
C08F220/04 (EP,US);
C09D7/43 (EP,US);
C08L33/02 (EP,US);
Y10S526/932 (EP,US)
| C-Set: |
C08F220/04, C08F220/26, C08F216/14 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, LI, NL [1982/18] | Title | German: | Polyacrylat als Verdickungsmittel | [1982/18] | English: | Polyacrylate thickening agents | [1982/18] | French: | Agent épaississant polyacrylique | [1982/18] | File destroyed: | 14.07.1990 | Examination procedure | 01.04.1983 | Examination requested [1983/24] | 01.05.1984 | Application deemed to be withdrawn, date of legal effect [1984/48] | 15.06.1984 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1984/48] | Fees paid | Penalty fee | Additional fee for renewal fee | 31.10.1983 | 03 M06 Not yet paid |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]GB1042496 (CELANESE CORP); | [AD]US4167502 (LEWIS SHELDON N, et al) |