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Extract from the Register of European Patents

EP About this file: EP0121326

EP0121326 - Alkanediyl bridged benzimidazolo monomethine cyanine dyes, processes for their preparation, and photographic emulsions and elements containing such dyes [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.03.1990
Database last updated on 15.06.2024
Most recent event   Tooltip15.08.2008Change - applicantpublished on 17.09.2008  [2008/38]
Applicant(s)For all designated states
Eastman Kodak Company
343 State Street
Rochester, NY 14650-2201 / US
[N/P]
Former [2008/38]For all designated states
Eastman Kodak Company
343 State Street
Rochester NY 14650-2201 / US
Former [1984/41]For all designated states
EASTMAN KODAK COMPANY (a New Jersey corporation)
343 State Street
Rochester, New York 14650 / US
Inventor(s)01 / Gilbert, David Philip
797 Lauren Ct.
Webster New York 14580 / US
[1984/41]
Representative(s)Baron, Paul Alexander Clifford, et al
Kodak Limited Patent Department Headstone Drive Harrow
Middlesex HA1 4TY / GB
[N/P]
Former [1984/41]Baron, Paul Alexander Clifford, et al
Kodak Limited Patent Department Headstone Drive
Harrow Middlesex HA1 4TY / GB
Application number, filing date84301326.901.03.1984
[1984/41]
Priority number, dateUS1983047161503.03.1983         Original published format: US 471615
[1984/41]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0121326
Date:10.10.1984
Language:EN
[1984/41]
Type: A3 Search report 
No.:EP0121326
Date:14.01.1987
Language:EN
[1987/03]
Type: B1 Patent specification 
No.:EP0121326
Date:17.05.1989
Language:EN
[1989/20]
Search report(s)(Supplementary) European search report - dispatched on:EP24.11.1986
ClassificationIPC:C09B23/04, G03C1/26
[1984/41]
CPC:
G03C1/12 (EP,US); C09B23/00 (EP,US); C09B23/04 (EP,US);
G03C1/26 (EP,US)
Designated contracting statesDE,   FR,   GB [1984/41]
TitleGerman:Benzimidazol-Monomethin-Cyanin-Farbstoffe mit Alkandiylbrücke, Verfahren zu ihrer Herstellung und fotographische Emulsionen und Materialien welche diese Farbstoffe enthalten[1984/41]
English:Alkanediyl bridged benzimidazolo monomethine cyanine dyes, processes for their preparation, and photographic emulsions and elements containing such dyes[1984/41]
French:Colorants benzimidazol-monométhiniques de cyanine avec pont alkanediylique, procédé pour leur préparation et émulsions photographiques et matériaux contenant de tels colorants[1984/41]
Examination procedure09.07.1987Examination requested  [1987/36]
11.05.1988Despatch of communication of intention to grant (Approval: Yes)
19.09.1988Communication of intention to grant the patent
05.12.1988Fee for grant paid
05.12.1988Fee for publishing/printing paid
Opposition(s)20.02.1990No opposition filed within time limit [1990/19]
Fees paidRenewal fee
27.01.1986Renewal fee patent year 03
28.01.1987Renewal fee patent year 04
10.02.1988Renewal fee patent year 05
23.02.1989Renewal fee patent year 06
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Documents cited:Search[AD]US2479152  (BROOKER LESLIE G S);
 [AD]GB1096104  (FERRANIA SPA)
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.