121 |
Amino acid and peptide esters of leuko-indoaniline compounds and
compositions for the detection of proteolytic enzymes |
US229205 |
1981-01-28 |
US4469789A |
1984-09-04 |
Dieter Berger; Franz Braun; Gunter Frey; Wolfgang-Reinhold Knappe; Manfred Kuhr; Wolfgang Werner |
This invention relates to new amino acid and peptide esters of leuko-indoaniline compounds and to a process for their preparation. In additional aspect, the invention relates to compositions containing such compounds for the detection of proteolytic enzymes and to methods for detecting such enzymes. |
122 |
Silver halide color photographic light-sensitive material |
US501725 |
1983-06-06 |
US4455366A |
1984-06-19 |
Tsumoru Hirano; Makoto Umemoto; Morio Yagihara |
A silver halide color, photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex which is capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent and which is a polymer or copolymer having a repeating unit derived from a monomer represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a hydroden atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; R.sub.2 represents a hydrogen atom or an unsubstituted or substituted alkyl group having from 1 to 4 carbon atoms; A.sub.1 represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain; A.sub.2 represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain, an unsubstituted or substituted aralkylene group or an unsubstituted or substituted phenylene group; B.sub.1 represents --O--, --S--, --SO--, --SO.sub.2 --, --CONH-- or --COO--; B.sub.2 represents --NHCO-- or --OCO--; X represents a halogen atom; Y represents a hydrogen atom or a lower alkyl group having from 1 to 5 carbon atoms; Z represents a hydrogen atom, a halogen atom or a substituted alkoxy group; l represents 0 or 1; m represents 0 or 1; and n represents 0 or 1. |
123 |
Method and material for the formation of silver halide color
photographic image |
US406945 |
1982-08-10 |
US4444872A |
1984-04-24 |
Katsunori Kato; Ryosuke Sato |
A method for forming a silver halide color photographic image comprising forming a dye image in the presence of a phenol cyan coupler. The phenol cyan coupler has the following formula: ##STR1## wherein R is an alkyl, an aryl or a heterocyclic group; X is selected from the group consisting of an alkyl, acyloxy, acylamino, succinimide, and sulfoneamide moiety; Z is a hydrogen atom or a group capable of eliminating itself from the coupler during the coupling reaction with the oxidized product of a color developing agent; and n is an integer from 1 to 3, and when n is 2 or 3, X may be the same or different. |
124 |
Chlorine-substituted nitro-para-phenylenediamines, a process for their
preparation and their use in dyeing keratin fibres |
US381636 |
1982-05-24 |
US4419101A |
1983-12-06 |
Andree Bugaut; Jean Cotteret |
The invention provides new chlorine-substituted nitro-para-phenylenediamines of the formula: ##STR1## in which R.sub.1 and R.sub.2, which are identical or different, denote hydrogen, a lower alkyl group or a monohydroxylated or polyhydroxylated alkyl group and n is an integer from 2 to 4, and the cosmetically acceptable salts of these compounds. These compounds can be used for hair dyeing. |
125 |
Color-forming para-sulfonamidodiphenylamine dye precursor and
sulfonimide dye in photographic material and process |
US394349 |
1982-07-01 |
US4390606A |
1983-06-28 |
Rolf S. Gabrielsen; Patricia A. Graham; James E. Klijanowicz; Max H. Stern |
A color-forming para-sulfonamidodiphenylamine dye precursor in a photographic material and process enables formation of a sulfonimide dye image by means of cross-oxidation without the need for a coupling reaction. The color-forming para-sulfonamidodiphenylamine dye precursor is useful in a photographic silver halide material for producing (i) a dye image, or (ii) a dye image and silver image. The exposed photographic material is processed to produce (a) a positive dye image, (b) a negative dye and negative silver image, (c) a negative dye image or (d) a positive dye image and a positive silver image. |
126 |
Photographic elements containing cyan-forming couplers |
US243039 |
1981-03-12 |
US4341864A |
1982-07-27 |
Jan J. Vandewalle; Marcel J. Monbaliu; Raphael K. Van Poucke |
Cyan-forming color couplers according to the formula: ##STR1## wherein Z is hydrogen in the case of 4-equivalent couplers or a substituent that splits off upon color development, thus conferring a 2-equivalent character to the color coupler, and Y is a ballasting group. These cyan-forming color couplers can be incorporated in (a) red-sensitized silver halide emulsion layer(s) of a photographic multilayer color element or in a non-light-sensitive colloid layer in water-permeable relationship with the red-sensitized emulsion layer(s). |
127 |
Color photographic light-sensitive material |
US227908 |
1981-01-23 |
US4327173A |
1982-04-27 |
Kozo Aoki; Yoshio Seoka; Yukio Yokota |
A color photographic light-sensitive material is described containing a cyan dye forming coupler represented by formula (I) ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; R.sup.2 and R.sup.3 each represents hydrogen, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an alkoxycarbonyl group, an alkylcarbonyl group, an arylcarbonyl group, an alkylcarbamoyl group, an arylcarbamoyl group wherein said groups may be substituted or unsubstituted, or a nitryl group; and X represents hydrogen or a coupling-off group; also a double bond may be formed between the carbon atom at the 3-position and the carbon atoms at the 4-position.The color photographic light-sensitive material provides color images having excellent fastness to light and heat. |
128 |
Paraphenylenediamines substituted at position 2 of the benzene ring |
US965873 |
1978-12-04 |
US4311478A |
1982-01-19 |
Andree Bugaut; Alain R. Genet; Koovi G. Dossou |
Dye, especially for human hair that consists of the new chemical compounds of the general formula ##STR1## in which Z is selected in the group consisting of hydroxyalkyl, alkoxyalkyl, acylaminoalkyl, carbalkoxyaminoalkyl, mesylaminoalkyl, ureidoalkyl, aminoalkyl, monoalkylaminoalkyl, dialkylaminoalkyl radicals, and the salts of the corresponding acids. Among the preferred acid salts are the sulfates, hydrochlorides, phosphates and tartrates.This dye is particularly suited for use with metadiphenols, metaphenylenediamines, metaaminophenols as well as the couplers of the formula ##STR2## in which R.sub.3 and R.sub.4 are identical or different and may represent hydrogen, alkoxy, or alkyl and in which R.sub.5 is selected from the group consisting of acyl, carbalkoxy and ureido. |
129 |
Silver halide photographic light-sensitive material |
US177337 |
1980-08-12 |
US4296200A |
1981-10-20 |
Morio Yagihara; Yukio Yokota |
A silver halide photographic light-sensitive material containing a colorless photographic cyan color forming coupler having, in a position for coupling with an oxidation product of an aromatic primary amine developing agent, a coupling-off group represented by the formula (I):--O--R--S--R.sub.1 (I)wherein R represents a substituted alkylene group or an unsubstituted or substituted alkenylene group, and said alkylene group or alkenylene group may be straight or branched chain; and R.sub.1 represents a substituted or unsubstituted alkyl group, an alkenyl group, an aralkyl group, an aralkenyl group, a cycloalkyl group or a heterocyclic group and said alkyl group, alkenyl group, aralkyl group and aralkenyl group may be straight or branched chain; and said heterocyclic group being connected with a thio group at the position of a carbon atom of the heterocyclic group. |
130 |
Color photographic silver halide light-sensitive material |
US168917 |
1980-07-14 |
US4294918A |
1981-10-13 |
Morio Yagihara; Yukio Yokota |
A color photographic silver halide light-sensitive material is described containing a colorless photographic cyan color-forming coupler having, in a position for coupling with the oxidation product of an aromatic primary amine developing agent, as a coupling-off group, at least one alkoxy group substituted with a sulfinyl group represented by the formula (I)-O-R-SO-R.sub.1 (I)wherein R represents a saturated or unsaturated, divalent aliphatic group which may be straight or branched chain and may be substituted; and R.sub.1 represents a substituted or unsubstituted straight or branched chain alkyl group, an alkenyl group, an aralkyl group, an aralkenyl group, a cycloalkyl group, an aryl group or a heterocyclic group; and said heterocyclic group being connected with a sulfinyl group on the position of a carbon atom of the heterocyclic group. |
131 |
Color photographic materials containing cyan color-forming couplers |
US120962 |
1980-02-13 |
US4288532A |
1981-09-08 |
Yoshio Seoka; Kozo Aoki; Yukio Yokota; Seiiti Kubodera |
A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, said photographic light-sensitive material containing at least one cyan color-forming coupler represented by the following general formula (I): ##STR1## wherein l represents 0, 1 or 2; X represents a group capable of being released upon the coupling reaction and having at least 6 carbon atoms; Y represents RCONH--, RNHCO-- or RNHCONH-- wherein R represents a hydrogen atom, a methyl group, an ethyl group or a methyl group substituted with one or more halogen atoms; n represents 1 or 2 and Y may be the same or different when n is 2; and the phenyl group can be substituted with a halogen atom, an alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 3 carbon atoms. The dyes formed from the cyan color-forming couplers have unusually good spectral absorption properties and exceptional fastness to light and heat. |
132 |
Silver halide photographic light-sensitive material |
US093965 |
1979-11-14 |
US4264722A |
1981-04-28 |
Morio Yagihara; Yukio Yokota |
A silver halide photographic light-sensitive material containing a colorless photographic cyan color-forming coupler having, in a position for coupling with an oxidation product of an aromatic primary amine developing agent, an eliminatable group represented by the following formula (I):--O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 (I)wherein R.sub.1 and R.sub.2 each represents a substituted or unsubstituted alkylene group which may be branched provided that R.sub.1 is not substituted with an aryl group at the carbon atom adjacent to the oxygen atom bonded to the coupling position, R.sub.3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cycloalkyl group, an aryl group, or a cyan coupler residue, x represents a positive integer, and y represents 0 or a positive integer. |
133 |
Development inhibitor precursor and a photographic element containing
the same |
US26506 |
1979-04-03 |
US4246333A |
1981-01-20 |
Yoshiharu Fuseya; Yukio Karino; Yoshio Sakakibara; Katsusuke Endo |
A photographic element having on a support at least one silver halide emulsion layer having associated therewith a development inhibitor precursor represented by the formula (I) ##STR1## wherein A is a phenyl group, a substituted phenyl group or a 5- or 6-membered nitrogen-containing heterocyclic ring; said A splitting together with the sulfur atom in the above molecule from the residue of the molecule to provide a silver halide development inhibitor; R.sup.1 is an alkyl group having 1 to 4 carbon atoms; and R.sup.2 is a cyano group, a carbamoyl group or the group represented by the formula ##STR2## wherein R.sup.3 is an aryl group. |
134 |
Oxidation hair-coloring preparation based upon
N,N-bis-(.beta.-hydroxyethyl)-m-phenylenediamines |
US972012 |
1978-12-21 |
US4226595A |
1980-10-07 |
David Rose; Edgar Lieske; Peter Busch |
An aqueous hair dye preparation comprising an oxidation dyestuff combination of a developer component and a coupler component consisting of an N,N-bis-(.beta.-hydroxyethyl)-m-phenylenediamine as well as a process for dyeing hair by utilizing this oxidation dyestuff combination. |
135 |
Light-sensitive silver halide color photographic materials |
US864229 |
1977-12-27 |
US4207111A |
1980-06-10 |
Mitsuto Fujiwhara; Takashi Sasaki; Takashi Uchida |
A color photosensitive material having a support and a silver halide photosensitive layer which material includes a coupler represented by the following formulas (IV), (V) or (VI) having therein a group represented by formula (I), said coupler being capable of forming an azomethine dye on coupling with the oxidation product of an aromatic primary amine developer: ##STR1## wherein the substituents on the above formulas is herein defined, is described, said couplers capable of giving improved light fastness. |
136 |
Novel para-phenylenediamine dyes for keratin fibres |
US912977 |
1978-06-05 |
US4149848A |
1979-04-17 |
Andree Bugaut; Alain R. Genet |
Compositions for dyeing keratin fibres are provided based on a novel para-phenylenediamine oxidative dye which has the formula: ##STR1## in which R represents hydrogen, chlorine or methyl or a salt thereof. |
137 |
Color photographic material containing new 2-equivalent yellow couplers |
US830591 |
1977-09-06 |
US4146400A |
1979-03-27 |
Dieter Lowski; Karl-Wilhelm Schranz; Erich Wolff |
New 2-equivalent yellow couplers of the structure ##STR1## in which X represents a ring member selected from N and C; Y completes a 5-, 6- or 7-membered nitrogen-containing ring; R represents alkyl, aryl, alkoxy or heterocyclic ring; and A represent a yellow coupler radical provide high maximum color densities together with low fog on storage under humid conditions. |
138 |
Phenolic dye-forming couplers |
US874164 |
1978-02-01 |
UST980004I4 |
1979-03-06 |
Harland J. Osborn |
2,5-Dicarbonylaminophenols containing a p-alkylsulfonylaminophenoxy terminal moiety or a p-alkylaminosulfonylphenoxy terminal moiety in the five-position substituent of the molecule are color-forming couplers useful in photographic silver halide emulsions and elements. |
139 |
Development inhibitor releasing coupler and photographic element
containing same |
US755302 |
1976-12-29 |
US4095984A |
1978-06-20 |
Tohru Sueyoshi; Nobuo Furtachi; Akio Okumura; Tadao Shishido |
A photographic coupler capable of releasing a development inhibitor upon reaction with an oxidation product of a color developing agent and represented by the following general formula (I) or (II) ##STR1## wherein A represents a coupler residue; Z represents a sulfur atom, a selenium atom or an oxygen atom; R.sup.1 represents an aliphatic group; R.sup.2 and R.sup.3, which may be the same or different, each represents a hydrogen atom, an aliphatic group, an alkoxy group, a hydroxy group, or an aromatic group, and R.sup.2 and R.sup.3 can combine and represent the atoms necessary to form a benzene ring or a naphthalene ring, ##STR2## wherein A represents a coupler residue; R.sup.4 represents an aliphatic group or an aromatic group; and R.sup.5 and R.sup.6 which may be the same or different, each represents a hydrogen atom, an aliphatic group or an aromatic group; and silver halide photographic elements containing these photographic couplers. These photographic couplers are particularly useful for controlling or modifying a number of photographic characteristics such as sharpness, graininess and color quality in a multilayer color photographic material. |
140 |
Autoxidizable hair dye containing preparations |
US570675 |
1975-04-23 |
US4054413A |
1977-10-18 |
Raymond Feinland; Sigmund Iscowitz; Milos S. Bil |
An autoxidizable hair preparation capable of coloring hair when applied thereto and exposed to the atmosphere comprising N,N-bis(2-hydroxyethyl)-p-phenylenediamine or an acid addition salt thereof and a triol selected from the group consisting of 1,2,4-benzenetriol and 2,4,5-trihydroxytoluene. The preparation is applied at multiple spaced intervals of time until the desired color build-up is attained. Also prepares the composition by preforming a solution of the triol by storing the corresponding triacetate in acid solution for a period of time then adding the N,N-bis(2-hydroxyethyl)-p-phenylenediamine. |