US4460680A — Silver halide photographic light-sensitive materi…

Claim 1

Independent Claim 108 words

A silver halide photographic light-sensitive material which does not cause reticulation due to high temperature treatment and has a good scum inhibition property as well as a high covering power, said material comprises a support having thereon at least one light-sensitive silver halide gelatin emulsion layer which is hardened by a hardening agent and a light-sensitive gelatin uppermost layer, wherein the light-sensitive gelatin uppermost layer is hardened by a polymeric diffusion resistant hardening agent so as to have a melting time longer than that of the light-sensitive silver halide gelatin emulsion layer and wherein the thickness of the light-insensitive uppermost layer is from 1.3 μm to 5.0 μm.

Claim 2

Dependent Claim 108 words

A silver halide photographic light-sensitive material which does not cause reticulation due to high temperature treatment and has a good scum inhibition property as well as a high covering power, said material comprises a support having thereon at least one light-sensitive silver halide gelatin emulsion layer which is hardened by a hardening agent and a light-sensitive gelatin uppermost layer, wherein the light-sensitive gelatin uppermost layer is hardened by a polymeric diffusion resistant hardening agent so as to have a melting time longer than that of the light-sensitive silver halide gelatin emulsion layer and wherein the thickness of the light-insensitive uppermost layer is from 1.3 μm to 5.0 μm.

Claim 3

Dependent Claim 27 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein the polymeric hardening agent is a polymer having a repeating unit having a vinyl-sulfone group.

Claim 4

Dependent Claim 41 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein the polymeric hardener is a member selected from the group consisting of N-{(3-vinylsulfonyl)propionylaminomethyl}acrylamide/sodium acrylamido-2-methylpropanesulfonate copolymer, 2-[3-(vinylethylsulfonyl)propionyloxy]ethyl acrylate/sodium acrylamido-2-methylpropanesulfonate copolymer, [3-(vinylethylsulfonyl)propionyl]aminomethylstyrene/sodium acrylamido-2-methylpropanesulfonate copolymer, 1-{[2-(4-vinylbenzenesulfonyl)ethyl]sulfonyl}-3-vinylethylsulfonyl-2-propanol/sodium acrylate copolymer and 1-{[2-(4-vinylbenzenesulfonyl)ethyl]sulfonyl}-3-vinylsulfonyl-2-propanol/sodium acrylamido-2-methylpropanesulfonate copolymer.

Claim 5

Dependent Claim 34 words

The silver halide photographic light-sensitive material as claimed in claim 3, wherein the polymeric hardener is a member selected from the group consisting of 2-[3-(vinylethylsulfonyl)propionyloxy]ethyl acrylate/sodium acrylamido-2-methylpropanesulfonate copolymer, N-{[3-(vinylsulfonyl)propionylaminomethyl}acrylamide/sodium acrylamido-2-methylpropanesulfonate copolymer and 1-{[2-(4-vinylbenzenesulfonyl)ethyl]sulfonyl}-3-vinylsulfonyl-2-propanol/sodium acrylamido-2-methylpropanesulfonate.

Claim 6

Dependent Claim 24 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein the light-insensitive uppermost layer further contains a low molecular diffusible hardening agent.

Claim 7

Dependent Claim 24 words

The silver halide photographic light-sensitive material as claimed in claim 5, wherein the low molecular diffusible hardening agent is an active vinyl hardening agent.

Claim 8

Dependent Claim 59 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein the melting time of the light-insensitive uppermost layer is from 200 sec to 700 sec and the melting time of the light-sensitive silver halide emulsion layer is from 30 to 200 sec when the melting time is measured in a 0.2N NaOH solution maintained at 60° C.

Claim 9

Dependent Claim 38 words

The silver halide photographic light-sensitive material as claimed in claim 7, wherein the ratio of the melting time of the light-insensitive uppermost layer to that of the light-sensitive silver halide emulsion layer is about 1 to about 20.

Claim 10

Dependent Claim 36 words

The silver halide photographic light-sensitive material as claimed in claim 7, wherein the ratio of the melting time of the light-insensitive uppermost layer to that of the light-sensitive silver halide emulsion layer is 1 to 10.

Claim 11

Dependent Claim 36 words

The silver halide photographic light-sensitive material as claimed in claim 7, wherein the ratio of the melting time of the light-insensitive uppermost layer to that of the light-sensitive silver halide emulsion layer is 3 to 6.

Claim 12

Dependent Claim 26 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein the thickness of the light-insensitive uppermost layer in from 1.5 μm to 5.0 μm.

Claim 13

Dependent Claim 28 words

The silver halide photographic light-sensitive material is claimed in claim 1, wherein a thickness of the light-sensitive silver halide emulsion layer is from 1 μm to 15 μm.

Claim 14

Dependent Claim 22 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein a gelatin overcoat layer is provided on the light-insensitive layer.

Claim 15

Dependent Claim 25 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein a gelatin-containing light-insensitive layer is provided under the light-sensitive silver halide emulsion layer.

Claim 16

Dependent Claim 49 words

The silver halide photographic light-sensitive material as claimed in claim 1, wherein a light-sensitive silver halide emulsion layer is provided on a second surface of the support base and a light-insensitive uppermost layer is provided on the silver halide emulsion layer on the second surface of the support base.

Claim 17

Independent Claim 155 words

A method of forming a photographic image without the formation of reticulation and scum which comprises developing an imagewise exposed silver halide photographic light-sensitive material which does not cause reticulation due to high temperature treatment and has a good scum inhibition property as well as a high covering power, said material comprises a support having thereon at least one light-sensitive silver halide gelatin emulsion layer which is hardened by a hardening agent and a light-insensitive gelatin uppermost layer, wherein the light-insensitive gelatin uppermost layer has a melting time longer than that of the light-sensitive silver halide gelatin emulsion layer and has been hardened by a polymeric diffusion resistant hardening agent so as to have a melting time longer than that of the light-sensitive silver halide gelatin emulsion layer and the thickness of the light-insensitive uppermost layer is from 1.3 μm to 5.0 μm, wherein said developing is at a temperature of 27° C. or more.

Claim 18

Independent Claim 155 words

A method of forming a photographic image without the formation of reticulation and scum which comprises developing an imagewise exposed silver halide photographic light-sensitive material which does not cause reticulation due to high temperature treatment and has a good scum inhibition property as well as a high covering power, said material comprises a support having thereon at least one light-sensitive silver halide gelatin emulsion layer which is hardened by a hardening agent and a light-insensitive gelatin uppermost layer, wherein the light-insensitive gelatin uppermost layer has a melting time longer than that of the light-sensitive silver halide gelatin emulsion layer and has been hardened by a polymeric diffusion resistant hardening agent so as to have a melting time longer than that of the light-sensitive silver halide gelatin emulsion layer and the thickness of the light-insensitive uppermost layer is from 1.3 μm to 5.0 μm, wherein said developing is at a temperature of 27° C. or more.

Claim 19

Dependent Claim 23 words

The method of forming a photographic image as claimed in claim 16, wherein the development is carried out using an automatic developing apparatus.

Claim 20

Dependent Claim 62 words

The method of forming a photographic image as claimed in claim 16, wherein the melting time of the light-insensitive gelatin uppermost layer is from 20 sec to 700 sec and the melting time of the light-sensitive silver halide gelatin emulsion layer is from 30 to 200 sec when the melting time is measured in a 0.2 NaOH solution maintained at 60° C.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1987-07-17	1988-01-16	1988-07-17	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1991-07-17	1992-01-16	1992-07-17	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1995-07-17	1996-01-16	1996-07-17	$7700.00	Window Closed / Lapsed

Silver halide photographic light-sensitive material

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