Abstract: This application is directed to cycloalkanes containing the moiety --SO.sub.2 --CH.sub.2 --X-- wherein X represents ##STR1## wherein R is hydrogen or alkyl and R' is alkyl and to the preparation of these compounds which find utility as silver halide complexing agents. This application is also concerned with cycloalkanes containing the moiety ##STR2## useful as intermediates in the preparation of the aforementioned compounds. Also included within the confines of this disclosure are the 2-thioether-substituted derivatives of certain of the above-identified cycloalkanes and with the synthesis of all of these compounds.

Abstract: Certain 4-hydroxypyrazoles are employed as silver halide developing agents which find particular utility in diffusion transfer photographic processes.

Abstract: Novel substantially colorless dye precursors represented by the formula ##STR1## WHEREIN R.sup.1 is hydrogen or alkyl; R.sup.2, R.sup.3 and R.sup.5 is alkyl; R.sup.4 is alkyl or phenyl; Z, taken with N, represents the atoms necessary to make a benzthiazole radical; X is an acid anion; and n is 1 when R.sup.5 carries a negative charge and 2 when R.sup.5 is electrically neutral.

Abstract: This invention relates to indole (na) phthalide indicator dyes substituted with a particular class of hydrogen bonding groups, such as, perhaloalkyl carbinols. These dyes are useful as optical filter agents in photographic processes to protect a selectivity exposed photosensitive material from further exposure during processing in the presence of incident light.

Abstract: Certain 4-hydroxypyrazoles are employed as silver halide developing agents which find particular utility in diffusion transfer photographic processes.

Abstract: Alkanes containing an intralinear sulfonyl group and an intralinear sulfinyl group separated by a single carbon substituted with at least one hydrogen atom are employed as silver halide solvents in photographic processes and compositions.

Abstract: Alkanes containing an intralinear sulfonyl group and a (dialkylamino)oxosulfonium group separated by -CH- are employed as silver halide solvents in photographic processes and compositions.

Abstract: Alkanes containing an intralinear sulfonyl group and an intralinear 1-piperazinylsulfonamido group separated by a single carbon substituted with at least one hydrogen atom are employed as silver halide solvents in photographic processes and compositions.

Abstract: 1,3-Disulfonylcycloalkanes substituted in the 2-position with at least one hydrogen atom are employed as silver halide complexing agents in both conventional and diffusion transfer photography. Preferred compounds are those possessing an S-containing moiety substituted in the 2-position and particularly those containing 6, 7 or 8 members in the cyclic ring and substituted in the 2-position with R.sup.2 -S--CH.sub.2m wherein R.sup.2 is a hydrocarbon radical and m is a whole number 0 to 5. The latter thioether-substituted 1,3-disulfonylcycloalkanes comprise the novel compounds of the present invention.

Abstract: This invention relates to highly fluorinated diazides of the formula N.sub.3 CH.sub.2 (CF.sub.2).sub.x CH.sub.2 N.sub.3 wherein x is a positive integer from 2 to 12; to the preparation of these diazides by the reaction of excess sodium azide with a ditosylate of the formula C.sub.7 H.sub.7 SO.sub.3 CH.sub.2 (CF.sub.2).sub.x CH.sub.2 O.sub.3 SC.sub.7 H.sub.7 wherein x has the same meaning given above; and to the synthesis of highly fluorinated primary diamines of the formula H.sub.2 NCH.sub.2 (CF.sub.2).sub.x CH.sub.2 NH.sub.2 wherein x has the same meaning given above by catalytic hydrogenation of said diazides.

Abstract: This invention relates to 1-naphthol (na)phthalide indicator dyes substituted with a particular class of hydrogen bonding groups, such as, perhaloalkyl carbinols. These dyes are useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further exposure during processing in the presence of incident light.

Abstract: This application is directed to compounds of the formula ##STR1## wherein R.sup.1 is lower alkyl; R.sup.2 is hydrogen, lower alkyl or --CH.sub.2 ).sub.m S--CH.sub.2).sub.n Y wherein m is a whole number 2 to 5, n is a whole number 1 to 4 and Y is hydrogen, --OH or --COOR wherein R is hydrogen or lower alkyl; and X is ##STR2## wherein A is a halide or sulfonate, R.sup.3 is hydrogen or --CH.sub.2).sub.n Y wherein n and Y have the same meaning given above, R.sup.4 is --CH.sub.2).sub.n Y wherein n and Y have the same meaning given above and R.sup.5 is lower alkyl. These compounds are useful as silver halide solvents in photography.

Abstract: This invention is concerned with pyridine N-oxides substituted in the ortho and/or para position with an alkylsulfonylmethyl group which find utility in photography for effecting an increase in photographic speed.

Abstract: Novel substantially colorless dye precursors represented by the formula ##STR1## WHEREIN R.sup.1 is hydrogen or alkyl; R.sup.2, R.sup.3 and R.sup.5 is alkyl; R.sup.4 is alkyl or phenyl; Z, taken with N, represents the atoms necessary to make up a pyridine, quinoline, benzoxazole, benzthiazole or benzselenazole radical; X is an acid anion; and n is 1 when R.sup.5 carries a negative charge and 2 when R.sup.5 is electrically neutral.

Abstract: This application is directed to compounds of the formula ##EQU1## wherein R.sup.1 is lower alkyl; R.sup.2 is hydrogen, lower alkyl or ##EQU2## wherein m is a whole number 2 to 5, n is a whole number 1 to 4 and Y is hydrogen, --OH or --COOR wherein R is hydrogen or lower alkyl; and X is ##EQU3## wherein R.sup.3 is hydrogen or ##EQU4## wherein n and Y have the same meaning given above, R.sup.4 is ##EQU5## wherein n and Y have the same meaning given above and R.sup.5 is lower alkyl. These compounds are useful as silver halide solvents in photography.

Abstract: This application is directed to compounds of the formula ##EQU1## wherein R.sup.1 and R.sup.2 each represent lower alkyl and m is a whole number 2 to 5, preferably 2 or 3. These compounds are useful as silver halide solvents in photography.

Abstract: 1,3-disulfonylcycloalkanes substituted in the 2-position with at least one hydrogen atom are employed as silver halide complexing agents in both conventional and diffusion transfer photography. Preferred compounds are those possessing an S-containing moiety substituted in the 2-position and particularly those containing 6, 7 or 8 members in the cyclic ring and substituted in the 2-position with R.sup.2 -S-CH.sub.2).sub.m wherein R.sup.2 is a hydrocarbon radical and m is a whole number 0 to 5. The latter thioether-substituted 1,3-disulfonylcycloalkanes comprise the novel compounds of the present invention.

Abstract: New substituted indenyl acetic acids and nontoxic pharmaceutically acceptable amides, esters and salts derived therefrom. The substituted indenyl acetic acids disclosed herein have anit-inflammatory, anti-pyretic and analgesic activity.