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Extract from the Register of European Patents

EP About this file: EP0261607

EP0261607 - Biocides for treating industrial waters, particularly flue gas desulfurization scrubber sludge [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  19.09.1991
Database last updated on 25.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center
Naperville, IL 60563-1198 / US
[N/P]
Former [1988/13]For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center
Naperville Illinois 60563-1198 / US
Inventor(s)01 / Mouche, Richard J.
654 North Batavia Road
Batavia Illinois 60510 / US
02 / Lin, Mei-Jan, L.
8 S. 325 Wehrli Road
Naperville Illinois 60540 / US
[1988/13]
Representative(s)Baillie, Iain Cameron, et al
Ladas & Parry, Dachauerstrasse 37
80335 München / DE
[N/P]
Former [1988/13]Baillie, Iain Cameron, et al
c/o Ladas & Parry Altheimer Eck 2
D-80331 München / DE
Application number, filing date87113703.018.09.1987
[1988/13]
Priority number, dateUS1986091185326.09.1986         Original published format: US 911853
[1988/13]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0261607
Date:30.03.1988
Language:EN
[1988/13]
Type: A3 Search report 
No.:EP0261607
Date:10.05.1989
Language:EN
[1989/19]
Search report(s)(Supplementary) European search report - dispatched on:EP21.03.1989
ClassificationIPC:C02F1/50
[1988/13]
CPC:
C02F1/50 (EP)
Designated contracting statesCH,   DE,   GB,   LI [1988/13]
TitleGerman:Biozide Mittel zur Behandlung gewerblicher Abwässer, insbesondere Gaswascherschlämme[1988/13]
English:Biocides for treating industrial waters, particularly flue gas desulfurization scrubber sludge[1988/13]
French:Composés biocides pour le traitement d'eaux industrielles, en particulier pour les boues provenant d'un laveur de gaz[1988/13]
File destroyed:02.03.1998
Examination procedure13.07.1989Examination requested  [1989/37]
18.12.1990Despatch of a communication from the examining division (Time limit: M04)
29.04.1991Application deemed to be withdrawn, date of legal effect  [1991/45]
10.06.1991Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1991/45]
Fees paidRenewal fee
28.08.1989Renewal fee patent year 03
28.08.1990Renewal fee patent year 04
02.01.1991Renewal fee patent year 05
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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[X]US2801216  ;
 [Y]GB2118925  ;
 [A]GB2138799  ;
 [X]US4495200  ;
 [A]US3973034  ;
 [A]EP0129315  ;
 [A]US3892588
 [X]  - CHEMICAL ABSTRACTS, Vol. 92, No. 26, June 30, 1980, page 130, Ref. No. 217683j; Columbus, Ohio, US; T.A. KUZNETSOVA et al.: "Effect of bactericides on sulfate-reducing bacteria", & Neftepromysl, Delo 1980, (1), 32-4
 [Y]  - Lehr- und Handbuch der Abwassertechnik, 3rd Ed., Vol. VI: "Organisch verschmutzte Abwaesser sonstiger Industriegruppen", February 1986; Ernst & Sohn, Berlin, DE
 [O]  - Colloqium Int. Bacteriology, March 2, 1984, & CHEMICAL ABSTRACTS, Vol. 108, No. 1, January 4, 1988, page 160, Ref No. 1641v; Columbus, Ohio, US; & Ifremer 1986, 3, 617-19
 [A]  - CHEMICAL ABSTRACTS, Vol. 102, No. 11, March 18, 1985, page 289, Ref. No. 92444y; Columbus, Ohio, US; C.C. GAYLARDE et al.: "Some recommendations for sulfate-reducing bacteria biocide tests", & J. Oil Colour Chem. Assoc. 1984, 67(12), 305-9
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.