| EP0240301 - Oxygen desorption for improved color of polyesters [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 22.02.1991 Database last updated on 24.03.2026 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007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 [1987/41] | For all designated states CELANESE CORPORATION 1211 Avenue of the Americas New York New York 10036 / US | Inventor(s) | 01 /
Ranade, Gautam R. 18 Wayne Drive East Lyme Connecticut / US | [1987/41] | Representative(s) | De Minvielle-Devaux, Ian Benedict Peter, et al CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA / GB | [1987/41] | Application number, filing date | 87302773.4 | 31.03.1987 | [1987/41] | Priority number, date | US19860846676 | 01.04.1986 Original published format: US 846676 | [1987/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0240301 | Date: | 07.10.1987 | Language: | EN | [1987/41] | Type: | A3 Search report | No.: | EP0240301 | Date: | 30.08.1989 | Language: | EN | [1989/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.07.1989 | Classification | IPC: | C08G63/22 | [1987/41] | CPC: |
C08G63/195 (EP,US);
C08G63/78 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1987/41] | Title | German: | Sauerstoff-Desorption für Polyester mit verbesserter Farbe | [1987/41] | English: | Oxygen desorption for improved color of polyesters | [1987/41] | French: | Désorption d'oxygène pour des polyesters ayant une couleur améliorée | [1987/41] | File destroyed: | 02.03.1998 | Examination procedure | 17.01.1990 | Examination requested [1990/12] | 07.02.1991 | Application withdrawn by applicant [1991/15] | Fees paid | Renewal fee | 07.01.1989 | Renewal fee patent year 03 | 04.01.1990 | Renewal fee patent year 04 |
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