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Extract from the Register of European Patents

EP About this file: EP0084403

EP0084403 - Silver halide emulsion containing a purified cysteine-glutaraldehyde polymer fraction [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  31.03.1987
Database last updated on 05.10.2024
Most recent event   Tooltip31.03.1987No opposition filed within time limitpublished on 20.05.1987 [1987/21]
Applicant(s)For all designated states
E. I. du Pont de Nemours and Company
1007 Market Street
Wilmington, DE 19898 / US
[N/P]
Former [1983/30]For all designated states
E.I. DU PONT DE NEMOURS AND COMPANY
1007 Market Street
Wilmington Delaware 19898 / US
Inventor(s)01 / Beutel, Jacob
127 Ridgeland Road
Wilmington Delaware 19803 / US
02 / Le Strange, Raymond Joseph
1720 Hummingbird Lane
Hendersonville North Carolina 28739 / US
[1983/30]
Representative(s)Watkins, Arnold Jack, et al
Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street
London EC4V 4EL / GB
[N/P]
Former [1983/30]Watkins, Arnold Jack, et al
European Patent Attorney Frank B. Dehn & Co. Imperial House 15-19 Kingsway
London WC2B 6UZ / GB
Application number, filing date83300013.604.01.1983
[1983/30]
Priority number, dateUS1982033676604.01.1982         Original published format: US 336766
[1983/30]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0084403
Date:27.07.1983
Language:EN
[1983/30]
Type: A3 Search report 
No.:EP0084403
Date:14.12.1983
Language:EN
[1983/50]
Type: B1 Patent specification 
No.:EP0084403
Date:04.06.1986
Language:EN
[1986/23]
Search report(s)(Supplementary) European search report - dispatched on:EP12.10.1983
ClassificationIPC:C08G12/06, G03C1/06, G03C1/04, G03C1/02
[1983/30]
CPC:
G03C1/04 (EP,US); C08G12/06 (EP,US)
Designated contracting statesBE,   DE,   FR,   GB [1983/30]
TitleGerman:Silberhalogenidemulsion die eine Fraktion eines gereinigten Cysteine-Glutaraldehyd-Polymers enthält[1983/30]
English:Silver halide emulsion containing a purified cysteine-glutaraldehyde polymer fraction[1983/30]
French:Emulsion à l'halogénure d'argent comprenant une fraction d'un polymère purifié à base de cystéine-aldéhyde glutarique[1983/30]
File destroyed:12.06.1999
Examination procedure24.02.1984Examination requested  [1984/18]
21.02.1985Despatch of a communication from the examining division (Time limit: M04)
28.06.1985Reply to a communication from the examining division
29.08.1985Despatch of communication of intention to grant (Approval: )
09.12.1985Communication of intention to grant the patent
06.02.1986Fee for grant paid
06.02.1986Fee for publishing/printing paid
Opposition(s)05.03.1987No opposition filed within time limit [1987/21]
Fees paidRenewal fee
15.01.1985Renewal fee patent year 03
16.01.1986Renewal fee patent year 04
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Documents cited:Search[XD]US3869289  (AMERING CHARLES F);
 [XD]US3708302  (PLAKUNOV J, et al)
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.