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Extract from the Register of European Patents

EP About this file: EP0115083

EP0115083 - Catalytic process for the preparation of nonionic surfactants [Right-click to bookmark this link]
Former [1984/32]Barium hydroxide/lower alcohol catalysts for oxyalkylation reactions
[1986/13]
StatusPatent revoked
Status updated on  22.09.1987
Database last updated on 02.11.2024
Most recent event   Tooltip22.09.1987Revocation of patentpublished on 11.11.1987 [1987/46]
Applicant(s)For all designated states
UNION CARBIDE CORPORATION
39 Old Ridgebury Road Danbury
Connecticut 06817 / US
[N/P]
Former [1984/32]For all designated states
UNION CARBIDE CORPORATION
39 Old Ridgebury Road
Danbury Connecticut 06817 / US
Inventor(s)01 / McCain, James Herndon
1987 Parkwood Road
Charleston West Virginia 25314 / US
[1984/32]
Representative(s)Wuesthoff, Franz, et al
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
81541 München / DE
[N/P]
Former [1984/32]Wuesthoff, Franz, Dr.-Ing., et al
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
D-81541 München / DE
Application number, filing date83113212.129.12.1983
[1984/32]
Priority number, dateUS1982045456030.12.1982         Original published format: US 454560
[1984/32]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0115083
Date:08.08.1984
Language:EN
[1984/32]
Type: A3 Search report 
No.:EP0115083
Date:26.09.1984
Language:EN
[1984/39]
Type: B1 Patent specification 
No.:EP0115083
Date:26.03.1986
Language:EN
[1986/13]
Search report(s)(Supplementary) European search report - dispatched on:EP23.07.1984
ClassificationIPC:C07C43/11, C07C41/03, C08G65/28
[1984/32]
CPC:
C08G65/2651 (EP); C07C41/03 (EP); C08G65/269 (EP)
C-Set:
C07C41/03, C07C43/11 (EP);
C07C41/03, C07C43/196 (EP)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE [1984/32]
TitleGerman:Verfahren zur katalytischen Herstellung nicht-ionischer Tenside[1986/13]
English:Catalytic process for the preparation of nonionic surfactants[1986/13]
French:Procédé catalytique de préparation de surfactifs non ioniques[1986/13]
Former [1984/32]Bariumhydroxyd/niedriger-Alkohol-Katalysatoren für Oxyalkylationsreaktionen
Former [1984/32]Barium hydroxide/lower alcohol catalysts for oxyalkylation reactions
Former [1984/32]Catalyseurs de baryte-alcools inférieurs pour des réactions d'oxyalkylation
Examination procedure25.10.1984Examination requested  [1985/01]
03.05.1985Despatch of communication of intention to grant (Approval: )
16.08.1985Communication of intention to grant the patent
12.11.1985Fee for grant paid
12.11.1985Fee for publishing/printing paid
Opposition(s)Opponent(s)01  17.12.1986  06.02.1987  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT
Werk Gendorf Patentbüro
D-84504 Burgkirchen / DE
 [1987/09]
09.02.1987Invitation to proprietor to file observations on the notice of opposition
09.06.1987Reply of patent proprietor to notice(s) of opposition
16.06.1987Despatch of communication that the patent will be revoked
27.06.1987Legal effect of revocation of patent [1987/46]
Fees paidRenewal fee
09.09.1985Renewal fee patent year 03
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Documents cited:Search[A]EP0026544  (UNION CARBIDE CORP [US]);
 [A]EP0026546  (UNION CARBIDE CORP [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.