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Extract from the Register of European Patents

EP About this file: EP0186650

EP0186650 - Preparation of alkyl succinic anhydride precursors [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  13.08.1990
Database last updated on 16.11.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Monsanto Company
800 North Lindbergh Boulevard St. Louis
Missouri 63167-7020 / US
[N/P]
Former [1986/27]For all designated states
Monsanto Company
800 North Lindbergh Boulevard
St. Louis Missouri 63167-7020 / US
Inventor(s)01 / Ross, Victor Leo
10960 Warwickhall Drive
Bridgeton Missouri 63044 / US
02 / Schultz, Robert George
755 Gascogne Drive
St. Louis Missouri 63141 / US
[1986/27]
Representative(s)McLean, Peter, et al
Monsanto Europe S.A. Patent Department Avenue de Tervuren 270-272 Letter Box No 1
B-1150 Brussels / BE
[1987/52]
Former [1986/27]Lunt, John Cooper
Monsanto Europe S.A. Patent Department Avenue de Tervuren 270-272 Letter Box No 1
B-1150 Brussels / BE
Application number, filing date85870198.023.12.1985
[1986/27]
Priority number, dateUS1984068542324.12.1984         Original published format: US 685423
[1986/27]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0186650
Date:02.07.1986
Language:EN
[1986/27]
Type: A3 Search report 
No.:EP0186650
Date:26.08.1987
Language:EN
[1987/35]
Search report(s)(Supplementary) European search report - dispatched on:EP07.07.1987
ClassificationIPC:C07C57/13, C07C51/567
[1986/27]
CPC:
C07C51/567 (EP,US)
C-Set:
C07C51/567, C07C57/13 (EP,US)
Designated contracting statesBE,   DE,   FR,   GB,   SE [1986/27]
TitleGerman:Herstellung von Vorläufern des Alkylbernsteinsäureanhydrids[1986/27]
English:Preparation of alkyl succinic anhydride precursors[1986/27]
French:Préparation de précurseurs d'anhydride alkyl succinique[1986/27]
File destroyed:17.06.1996
Examination procedure14.12.1987Examination requested  [1988/06]
21.11.1989Despatch of a communication from the examining division (Time limit: M04)
03.04.1990Application deemed to be withdrawn, date of legal effect  [1990/40]
04.05.1990Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1990/40]
Fees paidRenewal fee
28.10.1987Renewal fee patent year 03
14.11.1988Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
02.01.199005   M06   Not yet paid
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Documents cited:Search[A]US2411215  (KISE MEARL A, et al);
 [A]GB1483729  (SHELL INT RESEARCH);
 [A]US4414397  (POWELL JUSTIN C [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.