Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654)
12/1993
12/28/1993US5274109 A pyrazole-based cyanine dye
12/22/1993EP0574618A1 Thermally transferable fluorescent compounds
12/21/1993US5272030 Electrophotographic member comprising enamine derivatives
12/21/1993US5271979 Optical recording medium containing polymethine compound
12/09/1993WO1993024859A1 Optically non-linear materials
12/07/1993US5268486 Method for labeling and detecting materials employing arylsulfonate cyanine dyes
12/07/1993US5268478 Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same
12/01/1993EP0571772A1 Silver halide photographic light-sensitive material
11/1993
11/30/1993US5266454 Furan methine dyes
11/23/1993US5264589 Merocyanine protein error indicators
11/16/1993US5262549 Benzpyrylium dyes, and processes for their preparation and use
11/16/1993US5262289 Silver halide photographic material containing an antihalation dye
11/09/1993US5260179 Containing a filter dye in a hydrophilic layer
11/03/1993EP0568267A2 Thermal transfer materials
10/1993
10/28/1993CA2094873A1 Thermal transfer materials
10/27/1993EP0567119A2 Benz-cd-indole merocyanine blue dyes for color filter array element
10/26/1993US5256784 Merocyanine dyes
10/19/1993US5254655 Organosilicon polymers, and dyes, exhibiting nonlinear optical response
10/19/1993US5254455 Silver halide emulsions spectrally sensitized to infrared radiation with novel cyanine dyes
10/14/1993WO1993020477A1 Nlo dye compositions and use thereof in producing nlo elements
10/13/1993EP0565121A1 Silver halide photographic light-sensitive material
10/13/1993EP0565083A1 Dye compound and photographic element containing same
10/13/1993EP0565074A2 Process for the preparation of binary sensitizing dyes
10/13/1993EP0434769B1 Cover for mirrors of sun visors of motor vehicles
10/12/1993US5252454 Storage stability, heat resistance
10/12/1993US5252416 Photoconductor for electrophotography
10/05/1993US5250692 Water-soluble methine compounds useful in photographic silver halide emulsions
09/1993
09/28/1993US5248782 Long wavelength heteroaryl-substituted dipyrrometheneboron difluoride dyes
09/22/1993EP0561686A1 2-Methyl-4, 4A-dihydro-3H-carbazolium salts and dyes derived therefrom
09/14/1993US5245045 Near infrared antihalation dyes
09/08/1993EP0559195A1 Silver halide photographic material
09/08/1993EP0559101A1 Heat-developable photosensitive material and image forming method which uses the same
09/07/1993US5242889 Blue dyes for color filter array element
09/07/1993US5242790 Silver halide emulsion
09/01/1993EP0557820A2 Azine neutromethine compounds
08/1993
08/24/1993US5238799 Silver halide photographic material
08/24/1993US5238780 Method of image formation
08/17/1993CA1321316C Infrared filter dyes for photographic elements
08/11/1993EP0554904A2 Organosilicon polymers, and dyes, exhibiting nonlinear optical response
08/10/1993US5235047 Bathochromic azo dyes derived from 2-aminothiophenes and 2-aminothiazoles
08/10/1993US5234806 Silver halide photographic light-sensitive materials
08/05/1993WO1993015596A2 Functionalized merocyanine dyes and polymers incorporating such dyes
08/05/1993CA2128218A1 Functionalized merocyanine dyes and polymers incorporating such dyes
08/04/1993CN1074911A Compounds, compositions and methods for binding bio-affecting substances to surface membranes of bio-particles
07/1993
07/27/1993US5231190 Squarylium compounds, and processes and intermediates for the synthesis of these compounds
07/27/1993US5230781 Sequencing near infrared and infrared fluorescence labeled DNA for detecting using laser diodes
07/21/1993EP0552010A1 Silver halide imaging materials
07/20/1993US5229262 Thiazole sensitizer dyes on photographic films with exposure and development
07/15/1993DE4200601A1 New phenoxy:carbonyl:alkyl-substd. dispersion dyes - used for dyeing (semi)-synthetic fibres e.g. polyester or cellulose acetate with good fastness
07/13/1993US5227495 Cyanine compound having a hetero ring containing an imidazole nucleus fused to a naphthoquinone nucleus
07/13/1993US5227473 Quinone diazide compound and light-sensitive composition containing same
07/07/1993EP0550140A1 Mono(indolylethylenyl)Phthalides
06/1993
06/30/1993EP0549489A1 Microprecipitation process for dispersing photographic filter dyes
06/30/1993EP0549486A2 Microprecipitated methine oxonol filter dye dispersions
06/29/1993US5223476 Substrate sheet and dye carrier layer including dye and binder
06/29/1993US5223389 Containing at least one cyanine or merocyanine dye; storage stability; high speed processing
06/29/1993US5223382 Silver halide photographic material
06/22/1993US5221751 Used in optical recording media
06/15/1993US5219723 Green sensitizing dyes for variable contrast photographic elements
06/15/1993US5219707 Photostable cyanine dye and optical recording medium
06/10/1993WO1993011458A1 Arylidene sensitizing dyes for tabular grains
06/10/1993WO1993011120A1 Compounds, compositions and methods for binding bio-affecting substances to surface membranes of bio-particles
06/09/1993EP0545415A2 Process for the preparation of arylidene dyes
06/09/1993EP0545380A1 Silver halide emulsions spectrally sensitized to infrared radiation with novel cyanine dyes
06/01/1993US5216166 Cyanine dye with nitro group substituent
06/01/1993US5215957 Benz-cd-indole merocyanine blue dyes for color filter array element
05/1993
05/25/1993US5214186 Process for the preparation of arylidine dyes using an active methylene compound
05/25/1993US5214164 Cyanine dyes
05/25/1993US5214140 Thermal printing
05/25/1993US5213956 Cyano-vinyl filter dye
05/25/1993US5213930 Electrophotographic lithograph printing plate material having a mixture of sensitizing dyes
05/25/1993US5213925 Charge transport substance containing bis(hydrazone-thiophene) compound
05/18/1993US5212307 Light-sensitive bis-trichloromethyl-s-triazines, and process for their preparation
05/18/1993CA1317950C Sulfur-containing merocyanine dyes
05/12/1993EP0540729A1 Blocked filter dyes for photographic material and process
05/11/1993US5210014 Benzimidazole carbocyanine dyes, storage stability
05/05/1993EP0540295A1 Silver halide photographic light-sensitive material
05/05/1993EP0539786A1 Silver halide photographic elements
05/04/1993US5208341 Pressure sensitive copying; thermoreactive or electrochromic recording materials
05/04/1993US5208336 Viricides or anticarcinogenic agents
05/04/1993US5208137 Pyrazolone merocyanine dye with carboxy or sulfonamide groups, aging stability, reduced fog
05/04/1993US5208135 Infrared Sensitive, Photocurable
05/04/1993CA1317148C Colour photographic motion picture projection film element
04/1993
04/29/1993WO1993008505A1 Dyes comprising thioether macrocycles
04/29/1993DE4134805A1 New amino pyridone dyestuff cpds.
04/20/1993US5204236 Oxonol dyes; inert, decoloring, dissolvable, light-absorbing
04/14/1993EP0536771A1 Green sensitizing dyes for variable contrast photographic elements
04/14/1993EP0536647A1 Direct positive silver halide photographic materials
04/14/1993EP0536345A1 Photographic high contrast silver halide materials
04/14/1993EP0406333B1 A heat sensitive recording element and a thermographic method
04/07/1993EP0535672A2 Electrophotographic photoreceptor
04/06/1993US5200519 Chromogens for pressure sensitive and thermal recording systems
04/06/1993US5200292 Light-sensitive composition consisting essentially of, in admixture a nonionic aromatic diazo compound and a cationic dye/borate anion complex
04/03/1993CA2079645A1 Electrophotographic photoreceptor
04/01/1993WO1993006482A1 Dimers of unsymmetrical cyanine dyes
03/1993
03/24/1993EP0533302A1 Sequencing near infrared and infrared fluorescence labeled DNA for detecting using laser diodes
03/24/1993EP0533007A1 Thermally developable photographic elements
03/23/1993US5196299 Tabular grain emulsion containing radiographic elements exhibiting reduced dye stain
03/23/1993CA1314892C Polymethine dyes and uv absorbers containing a. triarylborylisocyano group and imaging materials for their use
03/17/1993EP0532176A1 Laser-sensitive electrophotographic lithograph printing plate material
1 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... 47