Silver halide photographic material comprising emulsion layer and backing layer provided on support

US5547820A · kind A · utility

Assignee

• FUJITSU LIMITED · JP

Inventor

• Hajime Miyamoto · Fujikawaguchiko, JP

Key dates

• Filing date: Dec 23, 1994
• Grant date: Aug 20, 1996
• Expiry date: Dec 23, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/162
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A silver halide photographic material comprises a silver halide emulsion layer and a surface backing layer provided on a support. The surface backing layer contains an aliphatic hydrocarbon compound represented by the formula (I) or (II) EQU C.sub.n1 H.sub.m1 --X.sup.1 --C.sub.n2 H.sub.m2 (I) EQU C.sub.n3 H.sub.m3 --X.sup.2 --C.sub.n4 H.sub.m4 --X.sup.3 --C.sub.n5 H.sub.m5 (II) in which each of X.sup.1, X.sup.2 and X.sup.3 is a divalent linking group selected from --CO--, --O--, --S--, --NR.sup.1 --, --SO--, --SO.sub.2 -- and a combination thereof; R.sup.1 is hydrogen or an aliphatic group having 1 to 8 carbon atoms; each of n1, n2, n3 and n5 is 4 to 100; each of m1, m2, m3 and m5 is 9 to 201; n4 is 3 to 100; m4 is 6 to 200; n1+n2 is 25 to 120; n3+n4+n5 is 30 to 150; at least one hydrogen atom of the groups C.sub.n1 H.sub.m1 --, --C.sub.n2 H.sub.m2, C.sub.n3 H.sub.m3 --, --C.sub.n4 H.sub.m4 -- and --C.sub.n5 H.sub.m5 is substituted with a polar group selected from --OH, --COOM.sup.1, --NH.sub.2, --N.sup.+ R.sup.2 R.sup.3 R.sup.4 R.sup.5 A.sup.-, --CONH.sub.2 and --SO.sub.3 M.sup.2 ; each of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is hydrogen or an aliphatic group having 1 to 8 carbon…