Patent Class: Organic Compounds -- Part Of The Class 532-570 Series (534/772)

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Coloring compound and yellow toner containing the coloring compound
Inventor: Tanaka, et al. | Patent Number: 7833685

Dye, dye production method and ink containing dye
Inventor: Toyoda, et al. | Patent Number: 7504488

Yellow dye compound and the ink composition thereof
Inventor: Lin, et al. | Patent Number: 7270702

Pyridone azo compound, tautomer thereof, and colorant-containing curable composition, color filter and manufacturing method thereof
Inventor: Araki, et al. | Patent Number: 7193068

Yellow hue compound and aqueous ink for ink-jet recording system using the same
Inventor: Matsuzaki, et al. | Patent Number: 7091261

Pyridone dyes, a process for their preparation and their use in the production of colored plastics or polymeric color particles
Inventor: Tzikas, et al. | Patent Number: 6953846

Azopyridone compounds, compositions and use
Inventor: Millard, et al. | Patent Number: 6723835

Azo pyridone colorants
Inventor: Banning, et al. | Patent Number: 6590082

Dye, ink for ink jet recording, and ink jet recording method
Inventor: Fujiwara | Patent Number: 6582502

Monoazo dyestuffs, a composition and an ink for ink jet printing comprising them
Inventor: Kenworthy, et al. | Patent Number: 6488752

Pyridonazo dyes and inks containing them
Inventor: Meyrick, et al. | Patent Number: 6406526

Pyridonazo dyes and inks containing them
Inventor: Meyrick, et al. | Patent Number: 6303763

Inhibitors of .beta.-lactamases and uses therefor
Inventor: Shoichet, et al. | Patent Number: 6184363

Basic azo compounds, their production and use
Inventor: Geiwiz, et al. | Patent Number: 6140478

Dyestuffs and resin compositions
Inventor: Karasawa, et al. | Patent Number: 6051360

Fibre-reactive dyestuffs
Inventor: Wald, et al. | Patent Number: 6042621

Process for the production of diazonium compounds with a low content of sodium ions
Inventor: DuBose, et al. | Patent Number: 5986075

Pyridone-based yellow monoazo dye for use in thermal transfer and ink compositions comprising same
Inventor: Lee, et al. | Patent Number: 5929218

Clathrate of bis [6-hydroxy-4-methyl-5-(3-methyl-imidazolium-1-yl) -3-(phen-4-ylazo) pyridin-2-one] ethylene and an aromatic compound
Inventor: Ruske, et al. | Patent Number: 5919914

Reactive disazo dyestuff compounds containing halo-substituted triazinyl rings
Inventor: Doswald | Patent Number: 5698681

Doubled acid azo dyes with a hydroxypyridone coupling component
Inventor: Lamm, et al. | Patent Number: 5554737

Amino benzophenone dye
Inventor: Lamm, et al. | Patent Number: 5510468

Isoindolineazo pigments
Inventor: Krapp, et al. | Patent Number: 5484901

Process for dyeing polyester and polyester-containing textile materials
Inventor: Buhler, et al. | Patent Number: 5425785

Disperse dyes
Inventor: Altermatt, et al. | Patent Number: 5420254

Pyridone compounds and the preparation of disulfonated pyridone compounds
Inventor: Lamm, et al. | Patent Number: 5380859

The use of metal-free sulfo group free basic disazo compounds containing two identical 6-hydroxypyrid-2-one coupling component radicals for producing colored paper
Inventor: Moser, et al. | Patent Number: 5352334

Colorant mixtures containing azo compounds based on phenyloxadiazolylaniline
Inventor: Colberg, et al. | Patent Number: 5344465

Phenoneazo dyes
Inventor: Bach, et al. | Patent Number: 5151506

Azo dyes and the production and use thereof
Inventor: Hurter, et al. | Patent Number: 5106960

Pyridoneazo dyes with an M-aminobenzoic ester as the diazo component
Inventor: Hansen, et al. | Patent Number: 5066791

Dyes containing 6-hydroxypyrid-2-one groups the 1-positions of which contain substituted 1,3,5-triazinyl or pyrimidyl-piperazino or -piperazinium groups linked through bridging radicals and intermediates therefor
Inventor: Moser, et al. | Patent Number: 5059683

Disperse dyes which are convertible into a thermo-migration fast form
Inventor: Liechti, et al. | Patent Number: 5055567

Biscationic disazo and trisazo compounds having optionally further substituted 6-hydroxy-4-methy-3-N-pyridiniumpyridone-2 coupling component radicals, dyes compositions comprising them and their use
Inventor: Moser | Patent Number: 5023324

Azo colorants for ball point pen and ribbon inks
Inventor: Spence, et al. | Patent Number: 4952677

Photosensitive member including azo compound
Inventor: Ueda | Patent Number: 4939053

Aryl monoazo pyridone yellow compound having two vinylsulfone type fiber reactive groups bonded to a triazine ring for dyeing cellulose or polyamide
Inventor: Yokogawa, et al. | Patent Number: 4880431

Monoazo pyridone compounds and application thereof for dyeing of hydrophobic fiber materials
Inventor: Nishikuri, et al. | Patent Number: 4826505

Preparation of azo dyestuffs by diazotization and coupling in the presence of an ester
Inventor: Buhler, et al. | Patent Number: 4795807

Mixtures of 1-N-C.sub.3-7 alkyl-5-(4'-chloro-2'nitrophenylozo)-3-cyano-6-hydroxy-4-methylpyrid-2-o ne compounds
Inventor: Zirngibl | Patent Number: 4785083

Mixture of yellow disperse dyestuffs containing pyridone disazo dye
Inventor: Hahnke, et al. | Patent Number: 4772292

Disazo compounds containing an N,N-bis(2-amino-benzoyl)piperazine derivative as the diazo component
Inventor: Colberg, et al. | Patent Number: 4764599

Halftone gravure printing inks containing pyridone azo dyestuffs
Inventor: Lorenz, et al. | Patent Number: 4739042

3-thienylazo dyes with a gamma-acid coupler
Inventor: Heidenreich, et al. | Patent Number: 4711954

Azo dyes containing aralkyl-nitrophenyl diazo components
Inventor: Liechti | Patent Number: 4704452

Basic azo and non-azo compounds having one or two disubstituted 1,3,5-triazine rings each of which is linked through a bridging radical to the 1-position of a pyrazole ring
Inventor: Pedrazzi | Patent Number: 4686285

2-ethylhexylamine salts of anionic monoazo dyes
Inventor: Loeffler, et al. | Patent Number: 4668774

Sulfo-containing halophenylazodiamino, cyano pyridine compounds
Inventor: Lamm | Patent Number: 4652633

Pyridone dyes containing a oxydiazone substituent
Inventor: Lamm | Patent Number: 4632983

8-hydroxyquinoline sulfonic acid-azo chromium complexes
Inventor: Back, et al. | Patent Number: 4617382

Monoazo dyes containing a 4-substituted-2-azo-1,1'-diphenylsulfone component
Inventor: Hurter | Patent Number: 4602084

Process for dyeing silk or fibre blends containing silk
Inventor: Rohrer | Patent Number: 4560388

Photographic recording material containing new azo dyes
Inventor: Bergthaller, et al. | Patent Number: 4559296

Yellow disperse dyestuff mixtures and dyeing process
Inventor: Bode, et al. | Patent Number: 4548613

Monoazo pyridone colorants
Inventor: Leoffler | Patent Number: 4514226

Dyes having a diazo component and an isoquinoline coupling component
Inventor: Radtke, et al. | Patent Number: 4491544

Azo dyes from substituted 3-amino-pyridines with aniline, tetrahydroquinoline and benzomorpholine couplers
Inventor: Weaver | Patent Number: 4487719

Dyes containing imidazolymethylene groups
Inventor: Patsch, et al. | Patent Number: 4451398

4-Isopropyl-4'-nitrobenzophenone and a process for the preparation of 4'-nitrobenzophenones substituted in the 4-position
Inventor: Tappe, et al. | Patent Number: 4413144

Dyeing and printing of cellulose-containing textile material
Inventor: Loeffler, et al. | Patent Number: 4380452

Dyeing-stable modification of a disperse dyestuff, processes for its preparation and use
Inventor: Tappe, et al. | Patent Number: 4374640

Photographic light sensitive element
Inventor: Komamura, et al. | Patent Number: 4368260

Amine salts of azo dyestuffs of the pyridone series
Inventor: Lienhard, et al. | Patent Number: 4359418

Hydroxypyridone azo dyestuffs
Inventor: Reel, et al. | Patent Number: 4329283

Process for the production of reserve effects on polyestercellulose mixed fiber textiles
Inventor: Tappe, et al. | Patent Number: 4322213

Novel metallized dyes, their manufacture and use
Inventor: Buhler, et al. | Patent Number: 4318849

Dyeing and printing of cellulose-containing textile material
Inventor: Loffler, et al. | Patent Number: 4305718

Azo reactive dyestuffs
Inventor: Jager | Patent Number: 4299764

Optionally further substituted 5-(2'- or 4'-phenoxyphenylazo)-6-hydroxypyridone-2 compounds containing a cationic group in the 1-position
Inventor: Greve | Patent Number: 4256635

Process for diazotizing aromatic amines
Inventor: Leverenz | Patent Number: 4250089

Cationic dyes containing an aryloxy group linked through a bridging radical to a quaternized nitrogen atom
Inventor: Henzi | Patent Number: 4247457

Water-insoluble monoazo pyridone dye
Inventor: von Brachel, et al. | Patent Number: 4247456

Process for the production of pyridone compounds
Inventor: Seitz | Patent Number: 4243809

Azo dyes from an oxadiazolyl-substituted aniline
Inventor: Junge, et al. | Patent Number: 4229343

1-(N-alkyl-n-benzyl or substituted benzyl-N-methyl(ammonium)alkyl)-3-cyano-4-alkyl-5-(alkyl-halo-phenyl)azo -6-hydroxypyridone-2 compounds
Inventor: Greve | Patent Number: 4228072

Copper, and nickel complexes of azo dyestuffs
Inventor: Buhler, et al. | Patent Number: 4215042

Cationic 5-arylazo-6-hydroxypyridone-2 dyes
Inventor: Entschel, et al. | Patent Number: 4213898

Novel ortho-quinone diazide photoresist sensitizers
Inventor: Ross | Patent Number: 4207107

Azo dyes containing sulfonic acid groups and oxdiazolyl radicals
Inventor: Kurtz, et al. | Patent Number: 4203894

Azo dyes of the pyridone series useful for flowable printing inks
Inventor: Kurtz, et al. | Patent Number: 4201710

Azo dyestuffs from benzene diazo component fused to an aliphatic ring and containing two cyano substituents ortho to the azo group
Inventor: Komorowski | Patent Number: 4189427

Water soluble cationic azo dyestuffs
Inventor: Parton | Patent Number: 4167509

3-Formyl-pyridines and process for making them
Inventor: Tappe | Patent Number: 4157446

Uniformly disperse dyed water-swellable cellulosic fibers
Inventor: Miederer, et al. | Patent Number: 4154577

Azo dyes having a 6-hydroxy-pyridone-2 coupling component radical having a substituent in the 1-position
Inventor: Burkhard, et al. | Patent Number: 4140684

Dye diffusion transfer employing pyridine azo dye
Inventor: Odenwalder, et al. | Patent Number: 4139383

Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrridone-6-coupling component
Inventor: Gnad | Patent Number: 4133806

Azo dyes
Inventor: Dimroth, et al. | Patent Number: 4116953

Benzoylated dehydrothio-p-toluidine sulfonic acid-azo-pyridone dyes
Inventor: Seitz | Patent Number: 4102880

Benzene-azo-heterocyclic dyestuffs derived from alkyl aminocinnamates or aminocinnamide
Inventor: Stiot, et al. | Patent Number: 4101543

4-Sulphomethyl substituted hydroxypyridone azo dyestuffs
Inventor: Hegar | Patent Number: 4092308

Process for the dyeing and printing of polyester material
Inventor: Koller, et al. | Patent Number: 4078890

Cationic dyes containing an aryloxy group linked through a bridging radical to a quaternized nitrogen atom
Inventor: Henzi | Patent Number: 4072672

Fiber-reactive 2-hydroxy-pyrid-6-on-(3)-yl azo dyestuffs
Inventor: Oesterlein, et al. | Patent Number: 4067864

Water-insoluble monoazo 3-cyano-4-methyl-6-hydroxy-2-pyridine dyestuffs
Inventor: Heinrich, et al. | Patent Number: 4058518

3-Sulfoalkyl-6-hydroxy-pyrid-(2)-one-containing azo dyestuffs
Inventor: Hegar | Patent Number: 4039523

1-Aminoalkylene-3-cyano-4-methyl-6-hydroxy-1,2-dihydropyrid-2-ones
Inventor: Burkhard, et al. | Patent Number: 4032532

3-Halogeno-6-hydroxy-pyridone-(2) azo dyestuffs
Inventor: Hegar, et al. | Patent Number: 4017477

Phenyl-substituted phthalazone azo dyes with a coupling component of the phenol, napthol, acetoacetarylide, pyrazolone, quinolone, pyridine, pyrimidone or isoquinolone series
Inventor: Lotsch | Patent Number: 4016151

2-Nitro-4-aliphaticoxy-phenyl-azo-2,6-dihydroxy-3-cyano-4-methylpyridine compounds
Inventor: Heinrich, et al. | Patent Number: 4006129

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