Abstract: A photographic light-sensitive sheet containing at least one light-sensitive silver halide emulsion layer, with at least one of said emulsion layers being associated with a compound represented by the following general formula (I) or (II): ##STR1## wherein B.sub.1 represents a hydrogen atom or an alkyl group, etc.; B.sub.2 represents a hydrogen atom, an alkyl group, an acyl group, an alkylsulfonyl group, etc.; D.sub.1 and D.sub.2 may be the same or different and each represents a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, etc., provided that D.sub.2 does not represent an alkoxy-substituted alkoxy group; E.sub.1 and E.sub.2 may be the same or different and each represents a hydrogen atom, a cyano group, halogen atom, an alkyl group, an alkoxy group, a sulfonamido group, a carbonamido group, a sulfamoyl group, a carbamoyl group, etc., provided that E.sub.2 does not represent an alkoxy-substituted alkoxy group; R.sup.1 represents an alkylene group containing two or more carbon atoms; R.sup.

Abstract: A photographic element containing a compound represented by formula (I) ##STR1## wherein G represents --OR.sup.1 or --NHR.sup.2, R.sup.1 represents hydrogen or a hydrolyzable moiety, R.sup.2 represents hydrogen or an alkyl group containing from 1 to 50 carbon atoms, Z represents a photographically useful group, A represents an atomic group forming an aromatic ring, Ball represents an organic immobilizing group on the aromatic ring, which cntains from 8 to 50 carbon atoms, m represents an integer of 1 or 2, X represents a divalent organic group, Nu represents a nucleophilic group, and n represents an integer of 1 or 2, and X with the nucleophilic group Nu is capable of forming a 5- to 12-membered ring by oxidation having an electrophilic center at the carbon atom substituted by the --NHSO.sub.2 Z group.

Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by the following general formula (I): ##STR1## wherein X.sup.1 represents --J--NR.sup.2 -- or --NR.sup.2 --J-- wherein R.sup.2 represents a hydrogen atom or an alkyl group, and J represents --SO.sub.2 -- or --CO--; R.sup.1 represents an alkyl group; X.sup.2 represents --R.sup.3 --L).sub.k (R.sup.4).sub.e -- wherein R.sup.3 and R.sup.4, which may be the same or different, each represents an alkylene group, a substituted alkylene group, a phenylene group or a substituted phenylene group, L represents --O--, --CO--, --SO.sub.2 NH--, --CONH--, --NHSO.sub.2 --, --NHCO--, --SO.sub.2 -- or --SO--, k represents 0 or 1, and e represents 1 when k is 1, or 1 or 0 when k is 0, provided that when X.sup.2 bonds to X.sup.1, X.sup.1 bonds to R.sup.

Abstract: A photographic light sensitive sheet for color diffusion transfer process which comprises a light sensitive silver halide emulsion layer associated with a novel azo dye-providing compound containing a --OR.sup.1 --O--R.sup.2 moiety as an indispensable substituent wherein R.sup.1 represents an alkylene group having 2 or more carbon atoms and R.sup.2 represents an alkyl group or a substituted alkyl group.

Abstract: A color photographic light-sensitive material is described containing a dye-releasing redox compound having the following formula: ##STR1## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis;Col represents a dye or a dye precursor;R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group or an aromatic group, and R.sup.1 and R.sup.2 together can form a ring;R.sup.3 represents hydrogen, an alkyl group or an aromatic group;R.sup.4 can represent an alkyl group or an aromatic group;R.sup.5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group;n is 0, 1 or 2; andR.sup.4 and an R.sup.5 together can form a heterocyclic ring, R.sup.1 and R.sup.4 together can form a heterocyclic ring, R.sup.1 and an R.sup.5 together can form a ring, R.sup.1, R.sup.2 and R.sup.3 together can form an adamantyl ring, and the total number of carbon atoms of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sub.n.

Abstract: o-Aminophenol derivatives are described represented by the formula (I) ##STR1## wherein R represents --NH.sub.2 or --NH--CO--R.sup.6 ; R.sup.1 and R.sup.2 which may be the same or different, each can represent an alkyl group or an aromatic group, or R.sup.1 and R.sup.2 together can form a ring; or R.sup.1, R.sup.2 and R.sup.3 together can form a ring ; R.sup.3 represents hydrogen, an alkyl group or an aromatic group; R.sup.4 can represent an alkyl group or an aromatic group; R.sup.5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; and n is 0, 1 or 2; R.sup.6 represents an alkyl group or an aromatic group; and R.sup.4 and R.sup.5 together can form a heterocyclic ring, R.sup.1 and R.sup.4 together can form a heterocyclic ring, or R.sup.1 and R.sup.5 together can form a ring; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5.sub.n have a total of 7 or more carbon atoms.

Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a dye image providing material represented by the following general formula: ##STR1## wherein Q.sup.1 represents a hydrogen atom, a halogen atom, a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom or an alkyl group, an aralkyl group or an aryl group; and R.sup.3 and R.sup.4 may combine directly or through an oxygen atom to form a ring; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or a benzyl group; a carboxy group, a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group, a phenyl group or a substituted phenyl group or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.

Abstract: A photographic light-sensitive element for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer with at least one of the silver halide emulsion layers having associated therewith a dye releasing redox compound represented by the following general formula:D-Redox Moietywherein D represents a dye moiety and Redox Moiety represents a group represented by the following general formula (I): ##STR1## wherein X.sup.1 represents an --SO.sub.2 -- group or a --CO-- group; R.sup.1 represents an unsubstituted straight chain alkylene group having 2 or more carbon atoms or an unsubstituted branched chain alkylene group having 2 or more carbon atoms with the proviso the branched chain alkylene group is incapable of forming an acetal linkage; R.sup.2 represents an alkyl group; and Y represents an o- or p-hydroxyarylsulfamoyl group having a ballast group bonded thereto.

Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by the following general formula (1): ##STR1## wherein Q.sup.1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom, or an alkyl group, m represents 0 or 1, R.sup.4 represents a hydrogen atom or R.sup.4a wherein R.sup.4a represents an alkyl group, an aralkyl group or a phenyl group, and R.sup.3 and R.sup.4 may combined directly or through an oxygen atom to form a ring; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.

Abstract: A 2-alkoxyalkoxy-5-nitrobenzenesulfonic acid or a salt thereof represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkylene group having 2 or more carbon atoms; R.sup.2 represents an alkyl group; and M represents an inorganic or organic cation. The compound represented by the general formula (I) is useful as an intermediate for a dye releasing redox compound which is suitable for use in the color diffusion transfer process.

Abstract: A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer with at least one of said silver halide emulsion layers having associated therewith a compound represented by the following general formula (I): ##STR1## wherein Q represents a cyano group, a trifluoromethyl group or a carbamoyl group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom, an alkyl group, an aralkyl group or an aryl group; and R.sup.3 and R.sup.4 may combine directly or through an oxygen atom to form a ring; M represents a hydrogen atom, an alkyl group, an alkoxy group, a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4, wherein R.sup.3 and R.sup.4 are as defined above, a group represented by the formula --COOR.sup.5 wherein R.sup.

Abstract: A 2-alkoxyalkoxy-5-aminobenzenesulfonic acid represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkylene group having 2 or more carbon atoms; and R.sup.2 represents an alkyl group. The compound can be used as an intermediate in the production of a dye releasing redox compound.

Abstract: A yellow dye developer having improved photographic properties represented by the formula (I) ##STR1## wherein X represents a hydrogen atom, a halogen atom, a nitro group, a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, an acylamino group having 1 to 4 carbon atoms; Z represents an atomic group necessary for completing a furan ring or a benzofuran ring; Y represents a hydroxyl group, an acyloxy group having 1 to 4 carbon atoms, or an alkoxyacyloxy group having 2 to 4 carbon atoms; Ar represents an aromatic ring; R.sub.1 represents a hydrogen atom, a halogen atom, an acyl group having 1 to 4 carbon atoms, or an alkyl group having 1 to 5 carbon atoms; R.sub.2 represents a hydroxyl group, an acyloxy group having 1 to 4 carbon atoms, or an alkoxyacyloxy group having 2 to 4 carbon atoms with the R.sub.2 group being at the ortho-position to the azo group; m and n each is an integer of 1 to 4; and at least one of X, Z, Ar and R.sub.

Abstract: A dye developer for silver halide photography comprising both a dye moiety represented by the following general formula (I): ##STR1## wherein R represents a halogen atom or an alkyl group containing 1 to 4 carbon atoms; k is an integer of from 0 to 4; A represents an acyl group containing 1 to 4 carbon atoms or an alkoxyacyl group containing from 2 to 4 carbon atoms; Ar represents an aromatic nucleus; X represents a halogen atom, an alkyl group, an alkoxy group, an acyl group or an acyloxy group, each containing 1 to 4 carbon atoms and l is an integer of from 0 to 4; and a polyhydric phenol moiety having silver halide developing activity.

Abstract: A dye developer represented by the following general formula (I), ##SPC1##wherein X is a hydrogen atom, a bromine atom, a nitro group, an acylamino group, a hydroxyl group or an alkyl group having not more than 4 carbon atoms; n is 1, 2 or 3; Y is an acyl group having not more than 4 carbon atoms; and Ar is a mono- or polyaryl group; and wherein an aromatic ring can be condensed in the 4-and 5-positions of the furan ring nucleus, and at least one of X, the aromatic ring condensed with the furan ring nucleus and Ar being directly connected to or being connected through an atom or an atomic grouping to a polyphenol having developing activity for silver halide.

Abstract: A color diffusion transfer photographic light-sensitive material which comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing a silver halide combined with a dye developer, one of the light-sensitive silver halide emulsion layers being combined with a dye developer represented by the following General Formula (I); ##EQU1## wherein Ar represents a divalent aromatic group; X represents ##EQU2## with R being an alkyl group having 1 to 3 carbon atoms, --NHCO-- with the nitrogen atom being connected to the Ar group or --OCO-- with the oxygen atom being connected to the Ar group; and Y represents an aromatic group having a substituent containing a hydroquinonyl group.