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Extract from the Register of European Patents

EP About this file: EP0541191

EP0541191 - Improved zeolite octane additive [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.12.1997
Database last updated on 27.07.2024
Most recent event   Tooltip24.12.1997No opposition filed within time limitpublished on 11.02.1998 [1998/07]
Applicant(s)For all designated states
W.R. GRACE & CO.-CONN.
Grace Plaza, 1114 Avenue of the Americas
New York, NY 10036 / US
[N/P]
Former [1993/19]For all designated states
W.R. Grace & Co.-Conn.
Grace Plaza, 1114 Avenue of the Americas
New York, New York 10036 / US
Inventor(s)01 / Miller, James George
2830 Dana Court
Ellicott City, MD 21043 / US
02 / Gatte, Robert Russell
8434 Each Leaf Court
Columbia, MD 21045 / US
[1993/19]
Representative(s)Uexküll & Stolberg
Partnerschaft von
Patent- und Rechtsanwälten mbB
Beselerstrasse 4
22607 Hamburg / DE
[N/P]
Former [1993/19]UEXKÜLL & STOLBERG
Patentanwälte Beselerstrasse 4
D-22607 Hamburg / DE
Application number, filing date92250316.402.11.1992
[1993/19]
Priority number, dateUS1991078717004.11.1991         Original published format: US 787170
[1993/19]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0541191
Date:12.05.1993
Language:EN
[1993/19]
Type: A3 Search report 
No.:EP0541191
Date:30.06.1993
Language:EN
[1993/26]
Type: B1 Patent specification 
No.:EP0541191
Date:26.02.1997
Language:EN
[1997/09]
Search report(s)(Supplementary) European search report - dispatched on:EP11.05.1993
ClassificationIPC:C10G11/05, B01J29/40, B01J29/80, B01J29/06
[1997/09]
CPC:
C10G11/05 (EP,US); B01J29/40 (EP,US); B01J29/405 (EP,US);
B01J29/80 (EP,US); B01J2229/26 (EP,US); B01J2229/36 (EP,US);
B01J2229/42 (EP,US); B01J29/65 (EP,US); B01J29/70 (EP,US) (-)
Former IPC [1993/19]C10G11/05, B01J29/28, B01J29/06
Designated contracting statesDE,   ES,   FR,   GB,   IT,   NL [1993/19]
TitleGerman:Zeolitische Oktanzusatz[1993/19]
English:Improved zeolite octane additive[1993/19]
French:Additif d'octane zéolitique[1993/19]
Examination procedure16.12.1993Examination requested  [1994/06]
19.01.1996Despatch of a communication from the examining division (Time limit: M04)
17.05.1996Reply to a communication from the examining division
09.07.1996Despatch of communication of intention to grant (Approval: Yes)
23.08.1996Communication of intention to grant the patent
19.11.1996Fee for grant paid
19.11.1996Fee for publishing/printing paid
Opposition(s)27.11.1997No opposition filed within time limit [1998/07]
Fees paidRenewal fee
15.11.1994Renewal fee patent year 03
09.11.1995Renewal fee patent year 04
11.11.1996Renewal fee patent year 05
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Documents cited:Search[XD]US4368114  (CHESTER ARTHUR W, et al);
 [X]US4522705  (CHU POCHEN [US], et al);
 [X]US4752375  (HERBST JOSEPH A [US], et al);
 [X]US4929337  (HERBST JOSEPH A [US], et al);
 [YP]WO9118851  (EXXON CHEMICAL PATENTS INC [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.