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Extract from the Register of European Patents

EP About this file: EP0330413

EP0330413 - Method for inhibition of scale formation, compositions thereof and method for preparation of such compositions [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  06.08.2010
Database last updated on 11.05.2024
Most recent event   Tooltip06.08.2010Application deemed to be withdrawnpublished on 08.09.2010  [2010/36]
Applicant(s)For all designated states
BAKER HUGHES INCORPORATED
3900 Essex Lane Suite 1200
Houston TX 77027 / US
[2008/36]
Former [1999/35]For all designated states
BAKER HUGHES INCORPORATED
3900 Essex Lane
Houston, Texas 77027 / US
Former [1989/35]For all designated states
PETROLITE CORPORATION
369 Marshall Avenue
Saint Louis Missouri 63119 / US
Inventor(s)01 / Redmore, Derek
300 Park Road
St. Louis Missouri 63119 / US
02 / Przybylinski, John L.
501 West Adams
St. Louis Missouri 63122 / US
03 / Dhawan, Balram
10268 Chaucer
St. Louis Missouri 63114 / US
[1989/35]
Representative(s)Finck, Dieter, et al
V. Füner Ebbinghaus Finck Hano
Patentanwälte
Mariahilfplatz 2-3
81541 München / DE
[N/P]
Former [2007/07]Finck, Dieter, et al
V. Füner, Ebbinghaus, Finck, Hano Mariahilfplatz 3
81541 München / DE
Former [2004/35]von Füner, Alexander, Prof.h.c. Dr., et al
v. Füner Ebbinghaus Finck Hano Postfach 95 01 60
81517 München / DE
Former [2002/13]Johnson, Terence Leslie, et al
Edward Evans Barker, Clifford's Inn, Fetter Lane
London EC4A 1BZ / GB
Former [1989/35]Seaborn, George Stephen, et al
c/o Edward Evans & Co. Chancery House 53-64 Chancery Lane
London WC2A 1SD / GB
Application number, filing date89301642.820.02.1989
[1989/35]
Priority number, dateUS1988015883022.02.1988         Original published format: US 158830
[1989/35]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0330413
Date:30.08.1989
Language:EN
[1989/35]
Type: A3 Search report 
No.:EP0330413
Date:01.04.1992
Language:EN
[1992/14]
Search report(s)(Supplementary) European search report - dispatched on:EP10.02.1992
ClassificationIPC:C08F8/40, C08F8/44, C02F5/14, C08G73/02
[1992/14]
CPC:
C02F5/14 (EP,US); C08G16/0243 (EP,US)
Former IPC [1989/35]C08F8/40, C08F8/44, C02F5/14
Designated contracting statesDE,   FR,   GB,   NL [1989/35]
TitleGerman:Verfahren zur Unterdrückung von Krusten, Zusammensetzungen und Verfahren zur Herstellung dieser Zusammensetzungen[1989/35]
English:Method for inhibition of scale formation, compositions thereof and method for preparation of such compositions[1989/35]
French:Procédé pour empêcher la formation de dépôts, compositions et procédé de préparation de telles compositions[1989/35]
Examination procedure10.09.1992Examination requested  [1992/47]
31.03.1993Despatch of a communication from the examining division (Time limit: M06)
05.10.1993Reply to a communication from the examining division
11.02.1994Despatch of a communication from the examining division (Time limit: M07)
16.09.1994Reply to a communication from the examining division
24.04.1995Despatch of a communication from the examining division (Time limit: M06)
16.02.1996Reply to a communication from the examining division
17.09.1996Despatch of a communication from the examining division (Time limit: M04)
29.10.1996Reply to a communication from the examining division
10.04.1997Despatch of a communication from the examining division (Time limit: M06)
11.02.1998Reply to a communication from the examining division
02.06.1998Despatch of a communication from the examining division (Time limit: M06)
25.03.1999Reply to a communication from the examining division
24.03.2003Despatch of a communication from the examining division (Time limit: M06)
19.08.2003Reply to a communication from the examining division
22.03.2005Despatch of a communication from the examining division (Time limit: M06)
09.09.2005Reply to a communication from the examining division
23.02.2006Despatch of a communication from the examining division (Time limit: M06)
05.09.2006Application deemed to be withdrawn, date of legal effect  [2010/36]
05.08.2008Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2010/36]
Appeal following examination14.04.2000Appeal received No.  T0526/00
22.05.2000Statement of grounds filed
22.08.2001Invitation to file observations in an appeal (Time limit: M04) [2001/34]
31.12.2001Date of receipt of observations in an appeal [2002/01]
09.07.2002Result of appeal procedure: continuation of examination procedure
09.07.2002Date of oral proceedings
16.07.2002Minutes of oral proceedings despatched
Request for further processing for:25.03.1999Request for further processing filed
26.03.1999Full payment received (date of receipt of payment)
Request granted
10.10.2002Decision despatched
11.02.1998Request for further processing filed
11.02.1998Full payment received (date of receipt of payment)
Request granted
25.02.1998Decision despatched
16.02.1996Request for further processing filed
13.02.1996Full payment received (date of receipt of payment)
Request deemed not to be filed
28.02.1996Decision despatched
Fees paidRenewal fee
21.01.1991Renewal fee patent year 03
20.01.1992Renewal fee patent year 04
29.01.1993Renewal fee patent year 05
31.01.1994Renewal fee patent year 06
15.02.1995Renewal fee patent year 07
05.02.1996Renewal fee patent year 08
07.02.1997Renewal fee patent year 09
26.01.1998Renewal fee patent year 10
05.02.1999Renewal fee patent year 11
03.02.2000Renewal fee patent year 12
02.02.2001Renewal fee patent year 13
25.02.2002Renewal fee patent year 14
25.02.2003Renewal fee patent year 15
23.02.2004Renewal fee patent year 16
22.02.2005Renewal fee patent year 17
27.02.2006Renewal fee patent year 18
27.02.2007Renewal fee patent year 19
25.02.2008Renewal fee patent year 20
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Documents cited:Search[YD]US4051110  (QUINLAN PATRICK M);
 [Y]US4489203  (WILSON DAVID A [US], et al);
 [A]US4551262  (SAMAKAEV RAFAIL K [SU], et al);
 [AD]US4187245  (REDMORE DEREK [US], et al);
 [A]US3926801  (QUINLAN PATRICK M)
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.