EP0711601 - Process for multistage etherification with high conversion of t-butanol [Right-click to bookmark this link] | |||
Former [1996/20] | Catalyst for multistage etherification with high conversion of T-butanol | ||
[2000/47] | Status | The application has been refused Status updated on 06.07.2001 Database last updated on 31.08.2024 | Most recent event Tooltip | 06.07.2001 | Refusal of application | published on 22.08.2001 [2001/34] | Applicant(s) | For all designated states Huntsman Specialty Chemicals Corporation 7114 North Lamar Boulevard Austin, Texas 78761 / US | [1997/35] |
Former [1996/20] | For all designated states TEXACO DEVELOPMENT CORPORATION 2000 Westchester Avenue White Plains, New York 10650 / US | Inventor(s) | 01 /
Dai, Pei-Shing Eugene 3437 Brittany Port Arthur, Texas 77642 / US | 02 /
Knifton, John Frederick 10900 Catskill Trail Austin, Texas 78726 / US | [1996/20] | 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 [1996/20] | Watkins, David Urquhart-Dykes & Lord, 91 Wimpole Street London W1M 8AH / GB | Application number, filing date | 95308011.6 | 09.11.1995 | [1996/20] | Priority number, date | US19940338079 | 14.11.1994 Original published format: US 338079 | [1996/20] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0711601 | Date: | 15.05.1996 | Language: | EN | [1996/20] | Type: | A3 Search report | No.: | EP0711601 | Date: | 07.08.1996 | [1996/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.06.1996 | Classification | IPC: | B01J29/08, B01J29/04, C07C41/09 | [1996/20] | CPC: |
B01J29/005 (EP,US);
B01J29/084 (EP,US);
B01J29/85 (EP,US);
C07C41/09 (EP,US);
C07C41/42 (EP,US);
Y10S977/775 (EP,US);
Y10S977/896 (EP,US)
(-)
| C-Set: |
C07C41/09, C07C43/046 (US,EP);
C07C41/42, C07C43/046 (EP,US) | Designated contracting states | DE, FR, GB [1996/20] | Title | German: | Verfahren für die mehrstufige Veretherung von t-butanol mit hohem Umwandlungsgrad | [2000/47] | English: | Process for multistage etherification with high conversion of t-butanol | [2000/47] | French: | Procédé pour l'étherification multiétapes avec un haut degré de conversion du t-butanol | [2000/47] |
Former [1996/20] | Katalysator für die mehrstufige Veretherung von Ter Butanol mit hohem Umwandlungsgrad | ||
Former [1996/20] | Catalyst for multistage etherification with high conversion of T-butanol | ||
Former [1996/20] | Catalyseur pour l'éthérification multiétages avec un haut degré de conversion du ter butanol | Examination procedure | 09.01.1997 | Examination requested [1997/11] | 23.12.1998 | Despatch of a communication from the examining division (Time limit: M04) | 22.03.1999 | Reply to a communication from the examining division | 09.06.1999 | Despatch of a communication from the examining division (Time limit: M04) | 08.10.1999 | Reply to a communication from the examining division | 09.10.2000 | Despatch of communication of intention to grant (Approval: ) | 28.03.2001 | Despatch of communication that the application is refused, reason: formalities examination [2001/34] | 07.04.2001 | Application refused, date of legal effect [2001/34] | Fees paid | Renewal fee | 07.10.1997 | Renewal fee patent year 03 | 26.11.1998 | Renewal fee patent year 04 | 08.11.1999 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 30.11.2000 | 06   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 | [AD]EP0528626 (TEXACO CHEMICAL [US]); | [A]WO9008124 (MOBIL OIL CORP [US]) [A] * page 7, line 24 - line 28 *; | [A]EP0355928 (SHELL INT RESEARCH [NL]); | [A]US5057635 (GAJDA GREGORY J [US]) |