US4801521A — Method for processing silver halide color photogr…

Claim 1

Independent Claim 188 words

A method for processing a silver halide color photographic material comprising the step of processing a silver halide color photographic material after imagewise exposure thereof with a color developer containing at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR42## wherein R 1 , R 2 , R 3 and R 4 , which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R 1 and R 2 may be linked to form a heterocyclic ring; R 3 and R 4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R 1 , R 2 , R 3 and R 4 , provided that R 1 , R 2 , R 3 and R 4 do not all represent hydrogen atoms at the same time.

Claim 2

Independent Claim 188 words

A method for processing a silver halide color photographic material comprising the step of processing a silver halide color photographic material after imagewise exposure thereof with a color developer containing at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR42## wherein R 1 , R 2 , R 3 and R 4 , which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R 1 and R 2 may be linked to form a heterocyclic ring; R 3 and R 4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R 1 , R 2 , R 3 and R 4 , provided that R 1 , R 2 , R 3 and R 4 do not all represent hydrogen atoms at the same time.

Claim 3

Dependent Claim 85 words

A method for processing a silver halide color photographic material as in claim 1, wherein, R 1 , R 2 , R 3 , and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group having from 1 to 10 carbon atoms, a substituted or unsubstituted alkenyl group having from 2 to 10 carbon atoms, a substituted or unsubstituted aryl group having from 6 to 10 carbon atoms, or a substituted or unsubstituted heterocyclic group having from 1 to 10 carbon atoms.

Claim 4

Dependent Claim 39 words

A method for processing a silver halide color photographic material as in claim 2, wherein R 1 , R 2 , R 3 , and R 4 each represent a hydrogen atom or a substituted or unsubstituted alkyl group.

Claim 5

Dependent Claim 65 words

A method for processing a silver halide color photographic material as in claim 3, wherein R 1 and R 2 each represents a hydrogen atom, and at least one of R 3 and R 4 represents an alkyl group and the other represents a hydrogen atom or an alkyl group, provided that R 3 and R 4 may be linked to form a heterocyclic ring.

Claim 6

Dependent Claim 52 words

A method for processing a silver halide color photographic material as in claim 3, wherein one of R 1 and R 2 represents a hydrogen atom and the other represents an alkyl group, and one of R 3 and R 4 represents a hydrogen atom and the other represents an alkyl group.

Claim 7

Dependent Claim 72 words

A method for processing a silver halide color photogrpahic material as in claim 1, wherein the substituent for the group represented by R 1 , R 2 , R 3 , and R 4 is a halogen atom, a hydroxyl group, a carboxyl group, a sulfo group, an amino group, an alkoxy group, an amido group, a sufonamido group, a carbamoyl group, a sulfamoyl group, an alkyl group, or an aryl group.

Claim 8

Dependent Claim 36 words

A method for processing a silver halide color photographic material as in claim 1, wherein said hydrazine compound represented by formula (I) is in the form of a monomer, and have 20 or less carbon atoms.

Claim 9

Dependent Claim 37 words

A method for processing a silver halide color photographic material as in claim 7, wherein said hydrazine compound represented by formula (I) is in the form of a monomer, and have from 2 to 10 carbon atoms.

Claim 10

Dependent Claim 43 words

A method for processing a silver halide color photographic material as in claim 1, wherein said color developer contains said hydrazine compound represented by formula (I) in an amount of from about 0.1 to about 20 g per liter of said color developer.

Claim 11

Dependent Claim 43 words

A method for processing a silver halide color photographic material as in claim 9, wherein said color developer contains said hydrazine compound represented by formula (I) in an amount of from about 0.5 to about 10 g per liter of said color developer.

Claim 12

Dependent Claim 26 words

A method for processing a silver halide color photographic material as in claim 1, wherein said color developer substantially does not contain a p-aminophenol developing agent.

Claim 13

Dependent Claim 175 words

A method for processing a silver halide color photographic material as in claim 1, wherein said silver halide color photographic material comprises a support having provided thereon at least one layer containing at least one cyan coupler represented by formula (C-I) or (C-II) ##STR43## wherein R 11 represents an alkyl group, a cycloalkyl group, an aryl group, an amino group, or a heterocyclic group; R 12 represents an alkyl group or an aryl group; R 13 represents a hydrogen atom, a halogen atom, an alkyl group, or an alkoxy group; and Z 11 represents a hydrogen atom, a halogen atom, or a coupling-off group; provided that R 12 and R 13 may be linked to form a ring, ##STR44## wherein R 14 represents an alkyl group, a cycloalkyl group, an aryl group, or a heterocyclic group; R 15 represents an alkyl group having 2 or more carbon atoms; R 16 represents a hydrogen atom, a halogen atom, or an alkyl group; and Z 12 represents a hydrogen atom, a halogen atom, or a coupling-off group.

Claim 14

Dependent Claim 47 words

A method for processing a silver halide color photographic material as in claim 1, wherein said silver halide color photographic material comprises a support having provided thereon at least one layer containing at least one color coupler, and said color developer does not contain a color coupler.

Claim 15

Dependent Claim 28 words

A method for processing a silver halide color photographic material as in claim 1, wherein said support of said silver halide color photographic material is a reflective support.

Claim 16

Dependent Claim 48 words

A method for processing a silver halide color photographic material as in claim 1, wherein said at least one aromatic primary amine color developing agent is represented by formula (A) ##STR45## wherein R represents --CH 2 CH 2 NHSO 2 CH 3 or --CH 2 CH 2 OH.

Claim 17

Dependent Claim 165 words

A color developer composition comprising at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR46## wherein R 1 , R 2 , R 3 , and R 4 , which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R 1 and R 2 may be linked to form a heterocyclic ring; R 3 and R 4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R 1 , R 2 , R 3 , and R 4 , provided that R 1 , R 2 , R 3 and R 4 do not all represent hydrogen atoms at the same time.

Claim 18

Dependent Claim 165 words

A color developer composition comprising at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR46## wherein R 1 , R 2 , R 3 , and R 4 , which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R 1 and R 2 may be linked to form a heterocyclic ring; R 3 and R 4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R 1 , R 2 , R 3 , and R 4 , provided that R 1 , R 2 , R 3 and R 4 do not all represent hydrogen atoms at the same time.

Claim 19

Dependent Claim 79 words

A color developer composition as in claim 16, wherein R 1 , R 2 , R 3 , and R 4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group having from 1 to 10 carbon atoms, a substituted or unsubstituted alkenyl group having from 2 to 10 carbon atoms, a substituted or unsubstituted aryl group having from 6 to 10 carbon atoms, or a substituted or unsubstituted heterocyclic group having from 1 to 10 carbon atoms.

Claim 20

Dependent Claim 66 words

A color developer composition as in claim 16, wherein the substituent for the group represented by R 1 , R 2 , R 3 , and R 4 is a halogen atom, a hydroxyl group, a carboxyl group, a sulfo group, an amino group, an alkoxy group, an amido group, a sufonimido group, a carbamoyl group, a sulfamoyl group, an alkyl group, or an aryl group.

Claim 21

Dependent Claim 30 words

A color developer composition as in claim 16, wherein said hydrazine compound represented by formula (I) is in the form of a monomer, and have 20 or less carbon atoms.

Claim 22

Dependent Claim 39 words

A color developer composition as in claim 16, wherein said color developer composition contains said hydrazine compound represented by formula (I) in an amount of from about 0.1 to about 20 g per liter of said color developer composition.

Claim 23

Dependent Claim 21 words

A color developer composition as in claim 16, wherein said color developer composition substantially does not contain a p-aminophenol developing agent.

Claim 24

Dependent Claim 19 words

A color developer composition as in claim 16, wherein said color developer composition does not contain a color coupler.

Claim 25

Dependent Claim 43 words

A color developer composition as in claim 16, wherein said at least one of aromatic primary amine color developing agent is represented by formula (A) ##STR47## wherein R represents --CH 2 CH 2 NHSO 2 CH 3 or --CH 2 CH 2 OH.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1992-01-31	1992-08-01	1993-01-31	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1996-01-31	1996-08-01	1997-01-31	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2000-01-31	2000-08-01	2001-01-31	$7700.00	Window Closed / Lapsed

Method for processing silver halide color photographic material with a color developer comprising a hydrazine derivative

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