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Extract from the Register of European Patents

EP About this file: EP0124379

EP0124379 - Hydroquinone derivatives and production thereof [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.06.1987
Database last updated on 17.07.2024
Most recent event   Tooltip05.06.1987No opposition filed within time limitpublished on 22.07.1987 [1987/30]
Applicant(s)For all designated states
Takeda Chemical Industries, Ltd.
1-1, Doshomachi 4-chome
Chuo-ku, Osaka / JP
[1984/45]
Inventor(s)01 / Imada, Isuke
18-10, Tsuruyamadai 4-chome
Izumi Osaka 594 / JP
[1984/45]
Representative(s)Laredo, Jack Joseph, et al
Elkington and Fife, Prospect House, 8 Pembroke Road Sevenoaks
Kent TN13 1XR / GB
[N/P]
Former [1984/45]Laredo, Jack Joseph, et al
Elkington and Fife Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR / GB
Application number, filing date84302923.201.05.1984
[1984/45]
Priority number, dateJP1983007781902.05.1983         Original published format: JP 7781983
[1984/45]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0124379
Date:07.11.1984
Language:EN
[1984/45]
Type: B1 Patent specification 
No.:EP0124379
Date:13.08.1986
Language:EN
[1986/33]
Search report(s)(Supplementary) European search report - dispatched on:EP21.08.1984
ClassificationIPC:C07C141/16, C07C139/00
[1984/45]
CPC:
C07C305/24 (EP,US); A61P1/04 (EP); A61P11/14 (EP);
A61P25/04 (EP); A61P29/00 (EP); A61P3/06 (EP);
A61P37/08 (EP); A61P7/02 (EP); A61P7/10 (EP);
A61P9/00 (EP); A61P9/02 (EP); A61P9/12 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1984/45]
TitleGerman:Hydrochinonabkömmlinge, sowie Verfahren zu deren Herstellung[1984/45]
English:Hydroquinone derivatives and production thereof[1984/45]
French:Dérivés d'hydroquinone et procédé pour leur production[1984/45]
Examination procedure20.12.1984Examination requested  [1985/11]
30.08.1985Despatch of communication of intention to grant (Approval: )
18.12.1985Communication of intention to grant the patent
11.02.1986Fee for grant paid
11.02.1986Fee for publishing/printing paid
Opposition(s)14.05.1987No opposition filed within time limit [1987/30]
Fees paidRenewal fee
20.05.1986Renewal fee patent year 03
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