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Class Information
Number: 534/648
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Alkyl, having at least eight carbons specified, or plural alkyl chains, each having at least five carbons specified, bonded directly to a ring, which ring is attached directly or indirectly to an acyclic carbon chain, which chain is bonded directly to a urea or carboxamide nitrogen that is between the chain and an additional ring
Description: Compounds wherein an alkyl chain, which has at least eight carbons specified, or plural alkyl chains, each of which has at least five carbons specified, is bonded directly to a ring.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6323327 Reactive dyes, processes for their preparation and their use Nov. 27, 2001
5674986 Photographically useful compounds including at least one 1,3-sulfur-oxygen ring system Oct. 7, 1997
5223387 Color photographic light-sensitive material containing a naphthyl azo dicyano halo phenyl compound Jun. 29, 1993
4605613 Ballasted dye compounds with linkages containing three aromatic nuclei for use in a dye diffusion transfer process and element Aug. 12, 1986
4605697 Substituted sulfonamido compounds, photosensitive elements, film units, and processes for retaining a photographic image with same Aug. 12, 1986
4565424 Asymmetric dichroic dye molecules having poly(arylazo) linking groups, a bis-substituted aryl thiazyl end group, and another end group Jan. 21, 1986
4564577 Naphthoquinone redox dye-releasers Jan. 14, 1986
4562139 Photographic products employing novel nondiffusible metal complexes of azo dyes Dec. 31, 1985
4556632 Color light-sensitive material Dec. 3, 1985
4533626 Photographic light-sensitive material with 4-(paranitrophenylazo)naphthol dyes Aug. 6, 1985
4529692 Color photographic materials with chelatable azo dyes Jul. 16, 1985
4528258 Process for forming image Jul. 9, 1985
4524122 Substituted 4-nitrophenylazo-1-naphthol cyan dyes having improved light stability Jun. 18, 1985
4520095 Photographic light-sensitive element May. 28, 1985
4495099 Non-diffusible magenta compound capable of releasing a 4-(2-heterocyclazo)phenol having a heterocyclic ring fused thereto Jan. 22, 1985
4495098 Coordination complexes of polyvalent metal ions and cyan dye-releasing compounds comprising a 6-heterocyclazo-3-pyridinol Jan. 22, 1985
4495100 Non-diffusible cyan compound capable of releasing a 6-heterocyclylazo-3-pyridinol Jan. 22, 1985
4476207 Photographic products and processes employing novel nondiffusible cyan dye-releasing compounds and precursors thereof Oct. 9, 1984
4436799 Photographic products and processes employing novel nondiffusible magenta dye-releasing compounds and precursors thereof Mar. 13, 1984
4426326 Nondiffusible metal-complexed azo dye-releasing compounds Jan. 17, 1984
4418131 Photographic products and processes employing novel nondiffusible yellow dye-releasing compounds and precursors thereof Nov. 29, 1983
4396546 Photographic products and processes employing novel nondiffusible 6-(2-thienylazo)-3-pyridinol cyan dye-releasing compounds and precursors thereof Aug. 2, 1983
4385104 Photographic products and processes employing novel nondiffusible 6-(2-thienylazo)-3-pyridinol cyan dye-releasing compounds and precursors thereof May. 24, 1983
4368153 Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof Jan. 11, 1983
4368154 Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof Jan. 11, 1983
4368248 Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof Jan. 11, 1983
4368249 Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof Jan. 11, 1983
4368260 Photographic light sensitive element Jan. 11, 1983
4367174 Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof Jan. 4, 1983
4366218 Photographic products and processes employing novel nondiffusible bridged azdaminophenol magenta dye-releasing compounds and precursors thereof Dec. 28, 1982
4358404 Nondiffusible 6-arylazo-3-pyridinol Nov. 9, 1982
4346155 Photographic products and processes employing novel nondiffusible 6-arylazo-3-pyridinol magenta dye-releasing compounds and percursors thereof Aug. 24, 1982
4288511 Photographic elements containing encapsulated polymers coordinated with metal ions Sep. 8, 1981
4285859 Azo compounds useful in a photographic dye diffusion transfer process Aug. 25, 1981
4277398 Magenta-masked color azopyrazolinone couplers Jul. 7, 1981
4273708 Carbonyl-substituted cyan azo dye-providing materials Jun. 16, 1981
4273706 Nondiffusible heterocyclylazonaphthol dye-releasing compounds Jun. 16, 1981
4272434 Nondiffusible compounds having a releasable azo dye moiety Jun. 9, 1981
4268624 Photographic light-sensitive sheet for the color diffusion transfer process May. 19, 1981
4248772 Positively or negatively charged azo compounds containing a ballasting group Feb. 3, 1981
4246414 2-Alkoxyalkoxy-5-nitrobenzenesulfonic acid and salt thereof Jan. 20, 1981
4233237 2-Alkoxyalkoxy-5-aminobenzenesulfonic acid Nov. 11, 1980
4228073 Nondiffusible azo dye-releasing compounds Oct. 14, 1980
4228070 Purification of photographic image-forming sulfonamido compounds employing immiscible solvents Oct. 14, 1980
4225708 2-Sulfamoyl-5-sulfamido-1-naphthols Sep. 30, 1980
4204870 Photographic products and processes employing novel nondiffusible heterocyclyazonaphthol dye-releasing compounds May. 27, 1980
4204993 Nondiffusible 6-arylazo-2-amino-3-pyridinol dye-releasing compounds May. 27, 1980
4183754 Photographic products and processes employing nondiffusible 1-arylazo-4-isoquinolinol dye-releasing compounds Jan. 15, 1980
4183755 Photographic products and processes employing metal complexable nondiffusible azo dye-releasing compounds Jan. 15, 1980
4183753 Photographic products and processes employing metal complexed azo dyes Jan. 15, 1980

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