C09B 57 - Other synthetic dyes of known constitution

Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
07/1993
07/21/1993	EP0551725A1 Polycyclic dyes
07/15/1993	DE4200601A1 New phenoxy:carbonyl:alkyl-substd. dispersion dyes - used for dyeing (semi)-synthetic fibres e.g. polyester or cellulose acetate with good fastness
07/13/1993	US5227499 Substituted squarylium dyes, and processes and intermediates for the preparation thereof
07/13/1993	US5227498 Thermal imaging
07/13/1993	US5227473 Quinone diazide compound and light-sensitive composition containing same
07/13/1993	US5227359 Pyrazoloazole dyes
07/06/1993	US5225525 Photochromic benzothioxanthone oxides, process for their preparation and the use thereof
06/1993
06/29/1993	US5223616 Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers
06/29/1993	CA1319704C Photoconductive imaging members with unsymmetrical squaraine compositions
06/15/1993	US5220040 Furan and monoazo dyes having similar wavelength maxima; efficient package dyeing of wound polyester
06/12/1993	CA2084810A1 Polycyclic dyes
06/10/1993	WO1993011458A1 Arylidene sensitizing dyes for tabular grains
06/09/1993	EP0545161A1 Process for the preparation of thermomigrating dyeings
06/01/1993	US5215957 Benz-cd-indole merocyanine blue dyes for color filter array element
05/1993
05/27/1993	WO1993010189A1 New pentacyclic compounds and their use as absorption or fluorescence dyes
05/27/1993	WO1993009956A1 Squarylium dyes
05/27/1993	CA2123991A1 Squarylium dyes
05/26/1993	EP0543333A1 New pentacyclic compounds and their use as absorption or fluorescence dyestuffs
05/25/1993	US5214161 Preparation of polycyclic dyes
05/19/1993	EP0542669A1 Process for the manufacture of pigments, especially fluorescent pigments
05/19/1993	EP0542019A1 8-Hydroxy-2H-dibenz(b,f) azepin-2 one dyes
05/18/1993	US5212313 Polycyclic dyes
05/18/1993	US5211885 Squarylium dyes and products and processes using same
05/13/1993	WO1993009185A1 Long wavelength chemically reactive dipyrrometheneboron difluoride dyes and conjugates
05/13/1993	WO1993009172A1 Method for tagging thermoplastic materials with near infrared fluorophores
05/12/1993	EP0540729A1 Blocked filter dyes for photographic material and process
05/09/1993	CA2081867A1 8-hydroxy-2h-dibenz¬b,f\|azepin-2-one dyes
05/05/1993	CA2081954A1 Process for the manufacture of pigments, especially fluorescent pigments
05/04/1993	US5208326 8-hydroxy-2h-dibenz(b,f)azepin-2-one dyes
04/1993
04/28/1993	EP0436736B1 Thermal transfer sheet
04/14/1993	EP0406333B1 A heat sensitive recording element and a thermographic method
04/13/1993	CA1316174C Process for the preparation of chromogenic cryptahemispherands
04/07/1993	EP0535842A1 Benzofuranones
04/06/1993	US5200528 Diketopyrrolopyrroles
04/02/1993	CA2079125A1 Benzofuranones
03/1993
03/23/1993	US5196392 Benzodifuranone dye
03/23/1993	CA1314748C Colored electroscopic toners containing quenched esterified rhodamine dyes
03/17/1993	EP0531719A1 Electrophotographic toners and 3-iminoisoindoline derivatives
02/1993
02/23/1993	US5189181 Process for preparation 2,6-dihydrobenzo[1:26, 4:5-6]-difuran dyes
02/23/1993	US5189029 Destroying cancer tumors
02/17/1993	EP0527383A2 Mass dyeing of synthetic material
02/16/1993	US5187288 Electrically neutral, photostable, narrow absorption and emission spectra
02/16/1993	US5187145 Heat transfer sheets
02/02/1993	US5183888 Reacting a phenyl tartronic acid with a dihydrobenzofuran, oxidizing, to get dihydrobenzodifuran
01/1993
01/27/1993	EP0524540A1 Silver halide color photographic material
01/19/1993	CA1312822C Particle with luminescer for assays
01/12/1993	US5178995 Optical information recording medium
01/12/1993	US5178637 Tinctorial composition based on 5,6-dihydroxyindolines and method for dyeing keratinous fibres
01/05/1993	US5177255 Bis-stilbene compounds
01/05/1993	US5177218 Photochromic benzothioxanthone oxides, process for their preparation and the use thereof
01/05/1993	US5177209 Process for preparation of asymmetric isoindoline pigments
01/05/1993	US5176976 Organic electronic material and electrophotographic photosensitive member containing same
12/1992
12/29/1992	US5175069 Maleimide blue dyes for color filter array element
12/23/1992	EP0519344A1 Maleimide blue dyes for color filter array element
12/16/1992	EP0518493A1 Preparation of polycyclic dyes
12/15/1992	CA2069457A1 Preparation of polycyclic dyes
12/09/1992	EP0516985A1 Synthesis of squarylium compounds
12/08/1992	US5169975 Binary azulenesquaric acid dyes, their intermediates and optical recording medium
12/01/1992	US5167709 Pigment consisting of polyvalent metal salt of acylated amino acid or amidosulfonic acid and cosmetic composition containing the same
11/1992
11/26/1992	WO1992021064A1 Blocked filter dyes for photographic material and process
11/19/1992	DE4215718A1 New quinindoline, benzothieno:quinoline and indeno:quinoline dyestuff cpds., - for dyeing or printing synthetic hydrophobic material e.g. polyester fibre
11/17/1992	US5164496 Coloring plastics, paints, inks
11/11/1992	EP0512477A1 Thermal imaging methods and materials
11/10/1992	US5162544 Color Formers
11/07/1992	CA2068031A1 Thermal imaging methods and materials
11/07/1992	CA2067959A1 Squarylium compounds, and processes and intermediates for the synthesis of these compounds
11/05/1992	DE4114456A1 New N-amino pyridone dyestuff cpds. - used in transfer to plastics-coated paper by diffusion or sublimation and for dyeing polyamide, polyester, etc.
11/04/1992	WO1992019684A1 N-aminopyridone dyes
11/04/1992	EP0511381A1 Squarylium and croconylium dyes.
11/04/1992	CA2106779A1 N-aminopyridone dyes
10/1992
10/28/1992	EP0511165A2 Dicetopyrrolopyrrole compounds
10/28/1992	EP0510436A1 Process for preparation of asymetric isoindoline pigments
10/23/1992	CA2065915A1 Process for preparation of asymmetric isoindoline pigments
10/06/1992	US5153680 Organic dye thin film and organic thin film element
10/06/1992	US5152921 Liquid detergents compositions containing 2-2-dichloro-5,5-disulfodistyrylbiphenyl as the fluorescent whitener
09/1992
09/29/1992	US5151527 Synthesis of the carbanion 1,1,2-tricyano-2-(3,4-dicyano-5-imino-2,5-dihydro-1h-pyrrol-2-ylidene) ethanide
09/23/1992	EP0504872A1 Inner salts of perylene compounds, process for their preparation and their use
09/22/1992	US5149819 Squarylium compounds and optical information recording medium using the same
09/16/1992	EP0503083A1 Heat transfer sheet and use of a dye in heat transfer recording
09/15/1992	US5147845 Printing
09/09/1992	EP0502278A1 Polycyclic dyes
09/08/1992	US5145991 Distyrylbiphenyl compounds
09/08/1992	US5145774 Fluorescent dyes
09/01/1992	US5143822 Silver halide photographic light-sensitive material element with antihalation layer containing optical brightener
08/1992
08/19/1992	EP0499011A1 Organic electroluminescent element
08/05/1992	EP0496759A1 Oxidation dyes, their production and use
07/1992
07/28/1992	US5134237 Pigments
07/21/1992	US5132439 Coomassie dye" derivatives
07/21/1992	US5132432 Chemically reactive pyrenyloxy sulfonic acid dyes
07/21/1992	CA1305477C Use of pyridoquinolone derivatives as pigments
07/15/1992	EP0494537A1 Polycyclic dye
07/14/1992	US5130480 Ammonium aryl hydrazide compounds
07/14/1992	US5130442 Chromogenic enamine compounds, their preparation and use as color formers
07/14/1992	US5130433 Chromogenic thiol indicators based on an isobenzothiazolone ring system
07/12/1992	CA2058887A1 Polycyclic dye
07/09/1992	CA2058890A1 Process for the preparation of polycyclic dyes
07/08/1992	EP0494048A1 Photochromic benzothioxanthoneoxides, process for their preparation and their use
07/08/1992	EP0493700A1 Double azulen squaric acid dyes, their intermediate products as well as optical recording medium
07/04/1992	CA2058393A1 Photochromic benzothioxanthone oxides, process for their preparation and the use thereof
07/01/1992	EP0492893A2 Mixtures and mixed crystals of dyes

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