Photographic product including a bis-sulfone or...

Details Photographic product including a bis-sulfone or... Photographic product including a bis-sulfone or...

Category

G - Physics

Subcategory

03

Subsubcategory

C

CPC

96/108, 96/180,

IPC codes

G03C 8/36 (2006.01) G03C 1/43 (2006.01) G03C 8/00 (2006.01)

Type

Patent

Patent number

CA 1173686

Description

6662 Abstract of the Disclosure This invention relates to photographic products and processes employing silver halide solvent precursors of the formulae (I) Image and (II) Image wherein R1 and R2, the same or different, each are hydrogen, alkyl, phenalkyl, phenyl or phenyl substituted with an electron-donating or electron-withdrawing group; R3 is alkyl, phenalkyl, phenyl or substituted phenyl; Z is -CN or -SO2R4 wherein R4 is branched-chain alkyl, phenalkyl, phenyl or substituted phenyl; and n is an integer 3, 4 or 5.

Application Number

409426

Affiliated with

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