Fluorocompound, silver halide photographic light-sensitive...

Details Fluorocompound, silver halide photographic light-sensitive... Fluorocompound, silver halide photographic light-sensitive...

2005-09-27

2005-09-27

Trinh, Ba K. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S150000, C516S200000, C516S203000

Reexamination Certificate

active

06949670

ABSTRACT:
A fluorocompound denoted by general formula (1) below(wherein R1denotes a substituted or unsubstituted alkyl group having a total of at least six carbon atoms, with R1not being an alkyl group substituted with a fluorine atom; Rfdenotes a perfluoroalkyl group having not more than six carbon atoms; either X1or X2denotes a hydrogen atom and the other denotes SO3M; M denotes a cation; and n denotes an integer of not less than 1) was disclosed. A silver halide photographic light-sensitive material having at least one layer comprising a light-sensitive silver halide emulsion layer on a support and comprising a compound denoted by general formula (1) above was also disclosed.

REFERENCES:
patent: 4347308 (1982-08-01), Takeuchi et al.
patent: 4968599 (1990-11-01), Pitt et al.
patent: 4999276 (1991-03-01), Kuwabara et al.
patent: 0 284 331 (1988-03-01), None
patent: 0495314 (1992-07-01), None
patent: 2-141739 (1990-05-01), None
patent: 3-95550 (1991-04-01), None

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