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Extract from the Register of European Patents

EP About this file: EP0497589

EP0497589 - Gelled aqueous well treating fluid [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  22.03.1996
Database last updated on 14.11.2024
Most recent event   Tooltip22.03.1996Application deemed to be withdrawnpublished on 08.05.1996 [1996/19]
Applicant(s)For all designated states
HALLIBURTON COMPANY
P.O. Drawer 1431 Duncan
Oklahoma 73536 / US
[N/P]
Former [1992/32]For all designated states
HALLIBURTON COMPANY
P.O. Drawer 1431
Duncan Oklahoma 73536 / US
Inventor(s)01 / Cole, Clay R.
2325 Hidden Oak
Duncan, Oklahoma 73533 / US
02 / Bowles, Bobby K.
Route 2, Box 142
Comanche, Oklahoma 73529 / US
[1992/34]
Former [1992/32]01 / Cole, Clay R.
2108 Twin Drive
Duncan, Oklahoma 73533 / US
02 / Bowles, Bobby K.
Route 2, Box 142
Comanche, Oklahoma 73529 / US
Representative(s)Wain, Christopher Paul, et al
A.A. Thornton & Co. 235 High Holborn London
WC1V 7LE / GB
[N/P]
Former [1992/32]Wain, Christopher Paul, et al
A.A. THORNTON & CO. Northumberland House 303-306 High Holborn
London WC1V 7LE / GB
Application number, filing date92300783.530.01.1992
[1992/32]
Priority number, dateUS1991064786630.01.1991         Original published format: US 647866
[1992/32]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0497589
Date:05.08.1992
Language:EN
[1992/32]
Type: A3 Search report 
No.:EP0497589
Date:23.06.1993
Language:EN
[1993/25]
Search report(s)(Supplementary) European search report - dispatched on:EP03.05.1993
ClassificationIPC:C09K7/02, E21B43/22, E21B43/25
[1992/32]
CPC:
C09K8/90 (EP,US); C09K8/10 (EP,US); Y10S507/922 (EP,US);
Y10S507/926 (EP,US); Y10S507/933 (EP,US)
Designated contracting statesDE,   DK,   GB,   IT [1992/32]
TitleGerman:Gelartige-wässrige Bohrlochbehandlungsflüssigkeit[1992/32]
English:Gelled aqueous well treating fluid[1992/32]
French:Fluide aqueux gélifié pour le traitement de puits de forage[1992/32]
File destroyed:20.04.2002
Examination procedure20.09.1993Examination requested  [1993/46]
29.07.1994Despatch of a communication from the examining division (Time limit: M06)
05.01.1995Reply to a communication from the examining division
30.06.1995Despatch of a communication from the examining division (Time limit: M04)
13.11.1995Application deemed to be withdrawn, date of legal effect  [1996/19]
07.12.1995Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1996/19]
Fees paidRenewal fee
11.01.1994Renewal fee patent year 03
10.01.1995Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.01.199605   M06   Not yet paid
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Documents cited:Search[Y]SU794057  ;
 [Y]FR2518111  (NL INDUSTRIES INC [US]);
 [Y]EP0177308  (HALLIBURTON CO [US]);
 [Y]FR2578549  (NL INDUSTRIES INC [US]);
 [Y]EP0387002  (HALLIBURTON CO [US])
 [Y]  - DATABASE WPIL Derwent Publications Ltd., London, GB; AN 81-73125D & SU-A-794 057 (URAL FOREST TECH.), & SU794057 A 00000000
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.