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AssigneeEastman Kodak Company
InventorsRonald E. Leone, Wayne W. Weber, II, Donald P. Wrathall
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Photographic nucleating agents are disclosed of the formula ##STR1## wherein R is a hydrogen, phenyl, alkylphenyl, cyanophenyl, halophenyl, alkoxyphenyl, alkyl, cycloalkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent; R.sup.1 is a phenylene or alkyl, halo- or alkoxy substituted phenylene group; R.sup.2 is an alkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent having up to 18 carbon atoms; a cycloalkyl substituent; phenyl or naphthyl; an alkylphenyl, cyanophenyl, halophenyl or alkoxyphenyl substituent or ##STR2## R.sup.3 is hydrogen, benzyl, alkoxybenzyl, halobenzyl or alkylbenzyl; THE ALKYL MOIETIES, EXCEPT AS OTHERWISE NOTED, IN EACH INSTANCE INCLUDE FROM 1 TO 6 CARBON ATOMS; AND The cycloalkyl moieties have from 3 to 10 carbon atoms.
A compound having the formula ##STR45## wherein R is a hydrogen, phenyl, alkylphenyl, cyanophenyl, halophenyl, alkoxyphenyl, alkyl, cycloalkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent;
A compound of the formula:
1-[4-(2-Acetylhydrazino)phenyl]-1-benzyl-3-phenylthiourea.
1-[4-(2-Acetylhydrazino)phenyl]-1-(4-methoxybenzyl)-3-phenylthiourea.
A compound having the formula ##STR48## wherein R is a hydrogen, phenyl, alkylphenyl, cyanophenyl, halophenyl, alkoxyphenyl, alkyl, cycloalkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent;
A compound having the formula ##STR50## wherein R is a hydrogen, phenyl, 4-alkylphenyl, 4-halophenyl, 4-alkoxyphenyl, alkyl, cyclohexyl or phenylalkyl substituent;
1-[4-(2-Formylhydrazino)phenyl]-3-phenylthiourea.
1-[4-(2-Acetylhydrazino)phenyl]-3-phenylthiourea.
1-[4-(2-Benzoylhydrazino)phenyl]-3-phenylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-methylthiourea.
1-[4-(2-Acetylhydrazino)phenyl]-3-ethylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-butylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-cyclohexylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-benzylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-heptylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-decylthiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-(4-cyanophenyl)thiourea.
1-[4-(2-Formylhydrazino)phenyl]-3-(4-methoxyphenyl)thiourea.
1-[4-(2-Formylhydrazino)-3-methoxyphenyl]-3-phenylthiourea.
1-[4-(2-Formylhydrazino)-3-methoxyphenyl]-3-butylthiourea.
1-[4-(2-Formylhydrazino)-3-methoxyphenyl]-3-cyclohexylthiourea.
1-[4-(2-Formylhydrazino)-3-methoxyphenyl]-3-(4-methoxyphenyl)thiourea.
1-[4-(2-Trifluoroacetylhydrazino)phenyl]-3-phenylthiourea.
1-{4-[2-(4-Cyanobenzoyl)hydrazino]phenyl}-3-phenylthiourea.
1-{-4-[2-(4-Chlorobenzoyl)hydrazino]phenyl}-3-phenylthiourea.
1-{4-[2-(4-Flourobenzoyl)hydrazino]phenyl}-3-phenylthiourea.
1-{4-[2-(4-Methylbenzoyl)hydrazino]phenyl}-3-phenylthiourea.
1-{4-[2-(4-Methoxybenzoyl)hydrazino]-phenyl}-3-phenylthiourea.
1-{4-[2-(4-Chlorobenzoyl)hydrazino]phenyl}-3-benzylthiourea.
1-{-4-[2-(4-Fluorobenzoyl)hydrazino]phenyl}-3-benzylthiourea.
1-[3-(2-Formylhydrazino)phenyl]-3-phenylthiourea.
1-[3-(2-Formylhydrazino)phenyl]-3-(4-methoxyphenyl)thiourea.
1-[2-(2-Formylhydrazino)phenyl]-3-phenylthiourea.
A compound having the formula ##STR51## wherein R is a hydrogen, phenyl, 4-alkylphenyl, 4-halophenyl, 4-alkoxyphenyl, alkyl, cyclohexyl or phenylalkyl substituent;
1,3-Bis[4-(2-formylhydrazino)phenyl]thiourea.
1,3-Bis[4-(2-acetylhydrazino)phenyl]thiourea.
1,3-Bis[4-(2-benzoylhydrazino)phenyl]thiourea.
Dependencies are inferred from the claim text.