EP0524816 - Purification of propylene oxide [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.10.1999 Database last updated on 22.08.2024 | Most recent event Tooltip | 29.10.1999 | No opposition filed within time limit | published on 15.12.1999 [1999/50] | Applicant(s) | For all designated states Huntsman Specialty Chemicals Corporation 7114 North Lamar Boulevard Austin, Texas 78761 / US | [1997/35] |
Former [1995/43] | For all designated states TEXACO CHEMICAL INC. 3040 Post Oak Boulevard Houston, Texas 77056 / US | ||
Former [1993/04] | For all designated states TEXACO CHEMICAL COMPANY 3040 Post Oak Boulevard Houston, Texas 77056 / US | Inventor(s) | 01 /
Smith, William Alan 7910 Petaca Austin, Texas 78729 / US | 02 /
Meyer, Robert Allen 13940 Reflection Drive, Apt. 113 Ballwin, MO 63021 / US | 03 /
Nguyen, Eileen Tovan 3731 Vineyard Houston, Texas 77082 / US | [1993/04] | Representative(s) | Goddar, Heinz J., et al Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München / DE | [N/P] |
Former [1997/29] | Goddar, Heinz J., Dr., et al FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 80801 München / DE | ||
Former [1993/04] | Green, Mark Charles, et al Urquhart-Dykes & Lord, 91 Wimpole Street London W1M 8AH / GB | Application number, filing date | 92306715.1 | 23.07.1992 | [1993/04] | Priority number, date | US19910736365 | 26.07.1991 Original published format: US 736365 | [1993/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0524816 | Date: | 27.01.1993 | Language: | EN | [1993/04] | Type: | A3 Search report | No.: | EP0524816 | Date: | 01.02.1995 | Language: | EN | [1995/05] | Type: | B1 Patent specification | No.: | EP0524816 | Date: | 23.12.1998 | Language: | EN | [1998/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 15.12.1994 | Classification | IPC: | C07D301/32, C07D303/04 | [1993/04] | CPC: |
C07D301/19 (EP,US);
C07D301/32 (EP,US)
| Designated contracting states | DE, FR, GB [1993/04] | Title | German: | Reinigung von Propylenoxid | [1993/04] | English: | Purification of propylene oxide | [1993/04] | French: | Purification de l'oxyde de propylène | [1993/04] | Examination procedure | 27.06.1995 | Examination requested [1995/35] | 05.12.1997 | Despatch of a communication from the examining division (Time limit: M04) | 02.02.1998 | Reply to a communication from the examining division | 04.03.1998 | Despatch of communication of intention to grant (Approval: Yes) | 16.06.1998 | Communication of intention to grant the patent | 08.09.1998 | Fee for grant paid | 08.09.1998 | Fee for publishing/printing paid | Opposition(s) | 24.09.1999 | No opposition filed within time limit [1999/50] | Fees paid | Renewal fee | 21.06.1994 | Renewal fee patent year 03 | 27.06.1995 | Renewal fee patent year 04 | 02.07.1996 | Renewal fee patent year 05 | 07.07.1997 | Renewal fee patent year 06 | 10.07.1998 | 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]US2993916 (NORMINGTON JAMES B) [A] 1 * the whole document *; | [A]EP0193682 (TEXACO DEVELOPMENT CORP [US]) [A] 6 * example - *; | [D]US4626596 (MARQUIS EDWARD T [US], et al); | [AD]US4691035 (SANDERSON JOHN R [US], et al) [AD] 1 * claim - *; | [A]US4772732 (HUANG MAO Y [US], et al) [A] 1 * the whole document *; | [AD]US4971661 (MEYER ROBERT A [US], et al) [AD] 6 * example - *; | [PX]US5107002 (SHIH T THOMAS [US]) [PX] 1-5 * the whole document *; | [PX]US5106458 (MEYER ROBERT A [US], et al) [PX] 1-6* example -; claim - * | [A] - CHEMICAL ABSTRACTS, (1968), vol. 68, no. 15, Database accession no. 68425b [A] 1 * abstract * | [ ] - M.P. VYSOTSKII ET AL, ZH. PRIKL. KHIM., (1967), vol. 40, no. 11, pages 2552 - 2555 | [A] - CHEMICAL ABSTRACTS, (1968), vol. 68, no. 25, Database accession no. 113713g [A] 1 * abstract * | [ ] - T. SUZUKI ET AL, NIPPON KAGAKU ZASSHI, (1967), vol. 88, no. 11, pages 1141 - 1144 |