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EP0430432
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EP About this file: EP0430432
| EP0430432 - Removal of heat stable anions from alkanolamine salts [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 30.09.1992 Database last updated on 02.11.2024 | Most recent event Tooltip | 30.09.1992 | Withdrawal of application | published on 19.11.1992 [1992/47] | Applicant(s) | For all designated states CONOCO INC. 1000 South Pine Street Ponca City Oklahoma 74603 / US | [N/P] |
| Former [1991/23] | For all designated states CONOCO INC. 1000 South Pine Street Ponca City Oklahoma 74603 / US | Inventor(s) | 01 /
Veatch, Fred C. R.R. No. 1, Box 151 Newkirk, Oklahoma 74647 / US | [1991/23] | Representative(s) | Woodman, Derek, et al Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
| Former [1991/23] | Woodman, Derek, et al Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ / GB | Application number, filing date | 90311685.3 | 25.10.1990 | [1991/23] | Priority number, date | US19890427550 | 26.10.1989 Original published format: US 427550 | [1991/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0430432 | Date: | 05.06.1991 | Language: | EN | [1991/23] | Type: | A3 Search report | No.: | EP0430432 | Date: | 23.10.1991 | Language: | EN | [1991/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.08.1991 | Classification | IPC: | B01J49/00, B01D53/14, B01J41/04 | [1991/23] | CPC: |
B01D53/1425 (EP);
B01J41/05 (EP);
B01J49/07 (EP)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1991/23] | Title | German: | Beseitigung von hitzebeständigen Anionen aus Alkanolaminsalzen | [1991/23] | English: | Removal of heat stable anions from alkanolamine salts | [1991/23] | French: | Enlèvement d'anions stables à la chaleur à partir de sels d'alcanolamine | [1991/23] | File destroyed: | 12.06.1999 | Examination procedure | 21.12.1990 | Examination requested [1991/23] | 17.09.1992 | Application withdrawn by applicant [1992/47] |
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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 | [X]FR1481171 ; | [A]US3252920 ; | [A]US3282831 ; | [A]US4122149 ; | [A]US4071602 ; | [A]US4170628 ; | [A]US4795565 ; | [A]US4113849 ; | [E]US4970344 |