Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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08/21/1990 | US4950305 Water-insoluble monoazo dyes, their preparation and use, and mixtures of these monoazo dyes |
08/16/1990 | EP0381974A2 Thiophene azo dyes with a coupling component based on m-phenylene diamine |
08/07/1990 | US4946948 Coloring polyolefins |
08/07/1990 | US4946629 Optical element having non-linear optical properties including a substrate having a coating of an azo compound |
08/01/1990 | EP0379872A1 Method of dyeing synthetic fibre materials |
07/24/1990 | US4943526 Gamma-glutamyl-4-azoanilides, process for the preparation thereof and diagnostic agents containing them |
07/18/1990 | EP0378510A2 Disperse dyes |
07/18/1990 | EP0378174A2 Light-sensitive element for the diffusion transfer process |
07/18/1990 | EP0378167A1 Disperse dye composition useful for dyeing or printing hydrophobic fiber materials |
07/17/1990 | US4942225 Transfer to active methylene group an azo or diazo group |
07/17/1990 | US4941997 Amphiphilic azo dyes and molecular aggregates thereof |
07/12/1990 | WO1990007436A1 Cover for mirrors of sun visors of motor vehicles |
07/10/1990 | US4940654 Solid particle dispersion filter dyes for photographic compositions |
07/10/1990 | US4940492 Colorant mixtures containing isoquinoline derivatives, use thereof in printing inks, and novel isoquinoline derivatives |
07/03/1990 | US4939118 Transfer of azo dyes having a pyridine coupling component |
06/23/1990 | CA2006414A1 Stilbene dyestuffs and light-polarizing films or sheets containing stilbene dyestuffs |
06/20/1990 | EP0373525A2 Crystalline form of a dye and a process for preparing the same |
06/13/1990 | EP0372334A2 Water soluble manoazo dyes, mixtures of the same, their preparation and their use |
06/12/1990 | US4933156 Iodine labeled binding compounds |
06/07/1990 | DE3940081A1 Azo dyes with 1,3,4-thia:di:azole and julolide residues - give fast red to blue shades e.g. on wool and polyamide(s) |
06/06/1990 | EP0371327A2 Monoazo dyes, their preparation and their use |
06/05/1990 | US4931405 Method for manufacturing a semiconductor device and suppressing the generation of bulk microdefects near the substrate surface layer |
05/29/1990 | US4929720 Isothiazoleazo hydroxypyridone dyes |
05/29/1990 | CA1269656A1 Dyes containing thiophene radicals |
05/23/1990 | EP0369940A2 Concentrated dye solutions |
05/15/1990 | CA2002726A1 Concentrated dye solutions |
05/10/1990 | DE3936250A1 New benzisothiazole azo dyestuff cpds. for dyeing polyamide and prepn. - with lilolidine, julolidine or tetra:hydro-pyrido:benzoxazine azoic coupler |
05/08/1990 | US4923974 Colorfastness, brightness, build-up |
04/24/1990 | US4920208 Basic azo dyestuffs |
04/18/1990 | EP0363904A2 Monoazo disperse dye compounds, their production and their use |
04/17/1990 | US4918183 Monoazo dyes, process for their preparation, and the use thereof |
04/17/1990 | US4917981 Photosensitive member for electrophotography |
04/17/1990 | US4916769 Disperse mono-azo dye mixture for dyeing synthetic textiles |
04/11/1990 | EP0362729A1 Process for producing water insoluble azo dyes on the fibre |
04/11/1990 | EP0362725A1 Process for producing water insoluble azo dyes on the fibre according to the ice-colour technique |
04/11/1990 | EP0362708A2 Thiazole azo dyes with a diazo compound of the isothiazole or thiodiazole series |
04/11/1990 | EP0362637A1 Thiophene azo dyes with a coupling component of the thiazole series |
04/05/1990 | DE3833443A1 Thiazoleazo dyes having a diazo component of the isothiazole or thiadiazole series |
04/04/1990 | EP0361431A2 Monoazo pigment, process for its preparation and its use |
03/28/1990 | EP0360644A1 Oxidation dyeing composition containing at least one double and at least one single dyeing base, and dyeing process making use of such a composition |
03/28/1990 | EP0360085A2 Offset printing and offset dyestuffs |
03/27/1990 | US4912203 Thiophene base colorants useful for coloring thermoset resins |
03/27/1990 | US4912001 Electrophotographic photoreceptor comprising azo compound and coupler |
03/21/1990 | EP0359708A2 Monoazo compounds with long-chain alkyl rests |
03/21/1990 | EP0358958A2 Water insoluble monoazo dyes, their preparation and their use, as well as mixtures of these monoazo dyes |
03/14/1990 | EP0358604A2 Disazo compounds containing long-chain alkyl, ester or alkylamino rests |
03/14/1990 | EP0357780A1 Optical head |
03/13/1990 | US4908437 Thien-2-one compounds with an alkylidene or imino group in the 5-position of the ring |
03/13/1990 | US4908042 Dyeing or printing high molecular weight polyester |
03/13/1990 | US4908041 Navy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dye |
03/06/1990 | US4906740 Monoazo dyes containing as the azo component A phenylsulfonylphenyl radical |
03/06/1990 | US4906735 Process for the manufacture of a monoazo acetoacetylaminobenzimidazolone |
03/06/1990 | US4906250 Process for the preparation of water-insoluble azo dyes on the fiber: impregnating with coupling component and treating with diazonium salt of 4-chloro-2,5-dialkoxy aniline |
02/28/1990 | EP0356393A2 Process for the preparation of metallisable monoazo dyes |
02/27/1990 | US4904777 Colorfastness |
02/27/1990 | US4904765 Dye mixtures containing an oil-soluble dye and an acid-extractable dye |
02/27/1990 | US4904712 5-Higher alkyl substituted-2H-benzotriazoles in stabilized compositions |
02/20/1990 | US4902787 Method for producing lightfast disperse dyestuffs containing a build-in photostabilizer [molecule] compound |
02/06/1990 | US4898850 Pyridone dyestuff for thermal transfer recording and printing sheets and methods employing same |
01/16/1990 | US4894447 Textiles, polyamides, paper |
01/10/1990 | EP0350254A2 Reducible compounds which provide leuco dyes, and analytical compositions, elements and methods containing same |
01/10/1990 | EP0350253A2 Reducible compounds which provide aniline dyes, and analytical compositions, elements and methods using same |
01/09/1990 | US4892859 Thermal transfer printing |
01/03/1990 | EP0349486A2 Azo dyes, their preparation and their use |
01/03/1990 | EP0348826A2 Isobenzothiazolone chromogenic thiol indicators and their derivatives |
12/27/1989 | EP0347680A2 Azo dyes |
12/26/1989 | US4889535 4-Substituted benzothiazol-2-ylazo-N-c8-14-alkykl-N-(2'-cyanoethyl)anilines optionally having a 3-C1-4-alkyl group |
12/20/1989 | EP0346729A2 Azo dye transfer process with a pyridine coupling component |
12/20/1989 | EP0346691A2 Process for dyeing thermoplastic materials in the mass |
12/19/1989 | US4888432 Dehydrogenaiton, cyclization of thioamide |
12/13/1989 | EP0345763A2 Recording solution |
12/12/1989 | US4886517 Good water solubility |
12/12/1989 | CA1263860A1 Organic compounds |
12/06/1989 | EP0344592A2 Process for azo dye transfer |
12/06/1989 | EP0344487A2 Azo dyes of the 5-aminoisothiazole series |
12/05/1989 | US4885272 Photostability; hues; thermography |
11/21/1989 | US4881977 Water-soluble yellow monoazo dyestuffs |
11/21/1989 | US4881943 Disperse dyes: nitro-thiophene azo dyes for bright blue shades on polyester |
11/16/1989 | DE3914430A1 Azo dyes, preparation thereof and use thereof |
11/08/1989 | EP0341214A2 Basic 6-hydroxypyrid-2-one compounds |
11/08/1989 | EP0341206A1 Fiber reactive formazane dyes |
11/08/1989 | EP0340723A2 Thiadiazolyl-azo-pyrazole yellow dye-donor element for thermal dye transfer |
11/08/1989 | CN1036974A Preparing method for n.n-cyano-ethyal cyano-benzyl cyanol dyestuff |
11/07/1989 | US4879373 Azo dyes |
11/02/1989 | WO1989010384A1 Lightfast disperse dyestuffs |
10/31/1989 | US4877412 Sulfo group-containing monoazo compounds having an unsubstituted or substituted 4-(benzothiazol-2'-yl)phenyl or 4-(6'-benzothiazol-2"yl)-benzothiazol-2'-yl)phenyldiazo component radical and a 6-hydroxypyrid-2-one coupling component radical |
10/24/1989 | US4875903 Monoazo compounds containing a 2-sulfophenyl diazo component radical and a 1-hydroxy-naphthalene-sulfonic or disulfonic acid coupling component radical and two substituted 1,3,5-triazine rings |
10/18/1989 | EP0337948A1 Disperse dyes |
10/17/1989 | US4874847 Process for the diazotisation of primary aromatic amines which are sparingly soluble in water |
10/17/1989 | US4874392 Monoazo dyes having a substituted 1,4-phenylene coupling component radical having one C8-14 alkyl group or moiety |
10/04/1989 | EP0335834A2 Heteroaromatic azo dyes |
10/04/1989 | EP0335234A2 Azo isoathiazole dyes |
10/03/1989 | US4871655 Monoazo dye |
09/19/1989 | CA1259608A1 Process for producing azo pigment |
09/14/1989 | DE3906066A1 Azo dyes, preparation thereof and use thereof |
09/14/1989 | DE3906060A1 Azo dyes, preparation thereof and use thereof |
09/13/1989 | EP0332334A2 Disperse dyes |
09/12/1989 | US4866113 Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups |
09/12/1989 | US4865935 Photosensitive member comprising an azo pigment |
09/06/1989 | EP0331170A2 Heat-sensitive transfer material |