Extract from the Register of European Patents

EP About this file: EP0109232

EP0109232 - Sorbinal by optical resolution of precursor 6-fluro-4-ureidochroman-4-carboxylic acid [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.08.1987
Database last updated on 28.03.2026
Most recent event   Tooltip15.08.1987No opposition filed within time limitpublished on 30.09.1987 [1987/40]
Applicant(s)For all designated states
Pfizer Inc.
235 East 42nd Street
New York, NY 10017 / US
[N/P]
Former [1984/21]For all designated states
PFIZER INC.
235 East 42nd Street
New York, N.Y. 10017 / US
Inventor(s)01 / Cue, Berkeley W.
266 Stoddards Wharf Road
Gales Ferry Connecticut / US
02 / Moore, Bernard S.
39 Savi Avenue
Waterford Connecticut / US
[1984/21]
Representative(s)Graham, Philip Colin Christison, et al
Pfizer Limited Ramsgate Road
Sandwich, Kent CT13 9NJ / GB
[1984/21]
Application number, filing date83306691.303.11.1983
[1984/21]
Priority number, dateUS1982044064110.11.1982         Original published format: US 440641
[1984/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0109232
Date:23.05.1984
Language:EN
[1984/21]
Type: B1 Patent specification 
No.:EP0109232
Date:22.10.1986
Language:EN
[1986/43]
Search report(s)(Supplementary) European search report - dispatched on:EP16.04.1984
ClassificationIPC:C07D311/68, C07D491/107, C07C87/28, C07C91/16, // A61K31/415 ,(C07D491/107, 311:00, 235:00)
[1984/21]
CPC:
C07D491/10 (EP,US); C07D311/22 (EP,US); C07D311/68 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1984/21]
TitleGerman:Sorbinil durch optische Aufspaltung von Vorläufer-6-Fluoro-4-ureidochromansäure[1984/21]
English:Sorbinal by optical resolution of precursor 6-fluro-4-ureidochroman-4-carboxylic acid[1984/21]
French:Sorbinil par résolution optique du précurseur de l'acide 6-fluoro-4-uréidochromanique[1984/21]
Examination procedure07.11.1983Examination requested  [1984/21]
28.05.1985Despatch of a communication from the examining division (Time limit: M06)
23.11.1985Reply to a communication from the examining division
15.01.1986Despatch of communication of intention to grant (Approval: )
23.04.1986Communication of intention to grant the patent
24.06.1986Fee for grant paid
21.07.1986Fee for publishing/printing paid
Opposition(s)23.07.1987No opposition filed within time limit [1987/40]
Fees paidRenewal fee
21.10.1985Renewal fee patent year 03
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Cited inExamination  S.H. Wilen, Resolving Agents and Resolutions in organic chemistry, Wiley, page 108 (1971)
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