blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0711601

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]
StatusThe application has been refused
Status updated on  06.07.2001
Database last updated on 31.08.2024
Most recent event   Tooltip06.07.2001Refusal of applicationpublished 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 date95308011.609.11.1995
[1996/20]
Priority number, dateUS1994033807914.11.1994         Original published format: US 338079
[1996/20]
Filing languageEN
Procedural languageEN
PublicationType: 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:EP24.06.1996
ClassificationIPC: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 statesDE,   FR,   GB [1996/20]
TitleGerman: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 procedure09.01.1997Examination requested  [1997/11]
23.12.1998Despatch of a communication from the examining division (Time limit: M04)
22.03.1999Reply to a communication from the examining division
09.06.1999Despatch of a communication from the examining division (Time limit: M04)
08.10.1999Reply to a communication from the examining division
09.10.2000Despatch of communication of intention to grant (Approval: )
28.03.2001Despatch of communication that the application is refused, reason: formalities examination [2001/34]
07.04.2001Application refused, date of legal effect [2001/34]
Fees paidRenewal fee
07.10.1997Renewal fee patent year 03
26.11.1998Renewal fee patent year 04
08.11.1999Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
30.11.200006   M06   Not yet paid
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
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])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.