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EP0537938
European procedure
Extract from the Register of European Patents
EP About this file: EP0537938
| EP0537938 - Process for monitoring and controlling an alkanolamine reaction process [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.05.2000 Database last updated on 02.11.2024 | Most recent event Tooltip | 12.05.2000 | No opposition filed within time limit | published on 28.06.2000 [2000/26] | Applicant(s) | For all designated states CONOCO INC. 1000 South Pine Street Ponca City Oklahoma 74603 / US | [N/P] |
| Former [1993/16] | For all designated states CONOCO INC. 1000 South Pine Street Ponca City Oklahoma 74603 / US | Inventor(s) | 01 /
Cummings, Arthur L. 112 Ringwood Avenue Pompton Lakes, New Jersey 07442 / US | 02 /
Keller, Alfred E. No. 2 Sharon Place Ponca City, Oklahoma 74604 / US | 03 /
Veatch, Fred C. Route 1, Box 151 Newkirk, Oklahoma 74647 / US | 04 /
Thompsen, James C. 1411 Shirlee Avenue Ponca City, Oklahoma 74604 / US | 05 /
Severson, Regina A. 10 Lawrence Lane Fredericksburg, Virginia 22405 / US | [1993/16] | Representative(s) | Woodman, Derek, et al Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
| Former [1993/16] | Woodman, Derek, et al Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ / GB | Application number, filing date | 92309122.7 | 07.10.1992 | [1993/16] | Priority number, date | US19910773387 | 08.10.1991 Original published format: US 773387 | [1993/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0537938 | Date: | 21.04.1993 | Language: | EN | [1993/16] | Type: | B1 Patent specification | No.: | EP0537938 | Date: | 07.07.1999 | Language: | EN | [1999/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.01.1993 | Classification | IPC: | B01J41/04, B01D53/14, B01J49/00 | [1993/16] | CPC: |
B01D53/1425 (EP,US);
B01D53/1412 (EP,US);
B01J41/05 (EP,US);
B01J49/85 (EP,US);
Y10S423/14 (EP,US)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1993/16] | Title | German: | Verfahren zum Kontrollieren und Steuern eines Alkanolaminereaktionsverfahrens | [1993/16] | English: | Process for monitoring and controlling an alkanolamine reaction process | [1993/16] | French: | Procédé pour contrôler et commander un procédé de réaction d'alcanolamine | [1993/16] | Examination procedure | 05.10.1993 | Examination requested [1993/48] | 15.12.1995 | Despatch of a communication from the examining division (Time limit: M06) | 17.06.1996 | Reply to a communication from the examining division | 02.12.1996 | Despatch of a communication from the examining division (Time limit: M04) | 15.03.1997 | Reply to a communication from the examining division | 23.10.1997 | Despatch of a communication from the examining division (Time limit: M06) | 28.04.1998 | Reply to a communication from the examining division | 15.10.1998 | Despatch of communication of intention to grant (Approval: Yes) | 12.01.1999 | Communication of intention to grant the patent | 20.04.1999 | Fee for grant paid | 20.04.1999 | Fee for publishing/printing paid | Opposition(s) | 08.04.2000 | No opposition filed within time limit [2000/26] | Fees paid | Renewal fee | 04.10.1994 | Renewal fee patent year 03 | 24.10.1995 | Renewal fee patent year 04 | 23.10.1996 | Renewal fee patent year 05 | 10.10.1997 | Renewal fee patent year 06 | 12.10.1998 | Renewal fee patent year 07 |
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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]GB672754 (JOHN THOMPSON KENNICOTT LTD, et al); | [Y]US2797188 (TAYLOR JR FRANK CARTER, et al); | [Y]US4170628 (ATWOOD GILBERT R [US], et al); | [A]US4795565 (YAN TSOUNG Y [US]); | [A]US4970344 (KELLER ALFRED E [US]); | [A]EP0430432 (CONOCO INC [US]) | [A] - DATABASE WPI Derwent Publications Ltd., London, GB; AN 76-15840X |