C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes

Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654)
03/1993
03/17/1993	EP0532042A1 Silver halide photographic material
03/17/1993	EP0532007A1 Mixture of dyes for black dye donor for thermal color proofing
03/17/1993	EP0532006A1 Mixture of dyes for black dye donor for thermal color proofing
03/16/1993	US5194626 Metal complex pigments of azines
03/10/1993	EP0530511A1 Silver halide photographic material
03/09/1993	US5192738 Heat transfer dye-providing material
03/02/1993	US5191073 Indicators for colorimetric analysis of enzymes
03/02/1993	US5190909 Record material utilizing a vinyl carbinol or derivative thereof as a chromogenic compound
02/1993
02/02/1993	US5183733 Cyanine dyes which have spectral sensitizing action for light of long wavelength
02/02/1993	CA1313377C Polymethine dyes and uv absorbers and imaging materials for their use
01/1993
01/27/1993	EP0524598A1 Solid particle dispersions of filter dyes for photographic elements
01/27/1993	EP0524594A1 Solid particle dispersions of filter dyes for photographic elements
01/27/1993	EP0524593A1 Solid particle dispersions of filter dyes for photographic elements
01/20/1993	EP0523465A1 Silver halide photographic elements
01/19/1993	CA1312822C Particle with luminescer for assays
01/12/1993	US5179207 Substituted 2-amino-5-maleimido thiophenes and substituted 2-amino-maleimido thiazoles
01/07/1993	EP0521711A1 Silver halide photographic light-sensitive material
01/07/1993	EP0521664A1 Silver halide photographic light sensitive material
01/07/1993	EP0521632A1 Silver halide photographic materials
01/05/1993	US5177255 Bis-stilbene compounds
12/1992
12/29/1992	US5175080 Stable photographic material
12/23/1992	EP0519306A1 Oil-dispersed yellow filter dyes
12/22/1992	CA1311759C Merocyanine dyes
12/22/1992	CA1311758C Selenium-containing merocyanine dyes
12/16/1992	EP0518349A1 Mixture of cyan and yellow dyes to form a green hue for color filter array element
12/15/1992	CA1311482C Isocyano group containing polymethine dyes and imaging compositions
12/09/1992	EP0517055A1 Merocyanine protein error indicators
12/09/1992	EP0516985A1 Synthesis of squarylium compounds
12/07/1992	CA2068002A1 Merocyanine protein error indicators
11/1992
11/26/1992	WO1992021064A1 Blocked filter dyes for photographic material and process
11/26/1992	WO1992017549A3 Polyketomethine dyes
11/24/1992	US5166359 Azulenemethine dyes and an optical recording medium containing the novel dyes
11/24/1992	US5166047 Storage stable photographic emulsions with antifogging ability
11/19/1992	EP0514105A1 Silver halide photographic emulsion
11/19/1992	EP0513558A1 Tryptanthrinderivates
11/17/1992	US5164291 Indole dye
11/11/1992	EP0512483A1 Hemicyanine sensitizing dyes for photographic materials
11/07/1992	CA2067959A1 Squarylium compounds, and processes and intermediates for the synthesis of these compounds
11/05/1992	DE4213155A1 Verbindungen mit nichtlinearen optischen eigenschaften Compounds with nonlinear optical properties
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	CA2106779A1 N-aminopyridone dyes
10/1992
10/28/1992	EP0510960A1 Silver halide photographic light sensitive material
10/20/1992	US5156774 High hyperpolarizability and excellent photochemical stability
10/15/1992	WO1992017549A2 Polyketomethine dyes
10/15/1992	WO1992017548A1 Indolicin trimethine dye
10/13/1992	US5155008 Layer of cyanine dye and quencher applied directly to injection-molded substrate; high productivity; superior reproduction
10/13/1992	US5154958 Optical recording medium
10/08/1992	DE4111159A1 Polyketomethinfarbstoffe Polyketomethinfarbstoffe
10/08/1992	DE4110808A1 Indolizintrimethinfarbstoffe Indolizinetrimethine dyes
10/06/1992	US5153140 Computerized recording, storage and comparison of absorption spectra of reaction products and intermediates for sondensation and metallization reactions
10/06/1992	US5153114 Filters
09/1992
09/30/1992	EP0506584A1 Tabular grain emulsion containing radiographic elements exhibiting reduced dye stain
09/30/1992	EP0506229A1 Silver halide photographic materials
09/30/1992	EP0506077A1 Mid-green sensitizing dyes for photographic materials
09/29/1992	CA2062570A1 Mid-green sensitizing dyes for photographic materials
09/29/1992	CA2062509A1 Tabular grain emulsion containing radiographic elements exhibiting reduced dye stain
09/22/1992	US5149819 Squarylium compounds and optical information recording medium using the same
09/15/1992	US5147845 Printing
09/15/1992	US5147844 Polymeric image receiving layer, having a thermally transferred image of a repeating pattern thereon, on a support
09/08/1992	US5145991 Distyrylbiphenyl compounds
09/03/1992	WO1992015042A1 Photographic high contrast silver halide materials
09/01/1992	US5143822 Silver halide photographic light-sensitive material element with antihalation layer containing optical brightener
08/1992
08/26/1992	EP0499822A1 Bichromophore methine dyes
08/25/1992	US5142545 High energy output over wide wavlength range; durability
08/21/1992	CA2060466A1 Bichromophoric methine dyes
08/18/1992	US5139997 Thermal printing on plastic-coated paper
08/11/1992	US5138070 Laser transfer printing; opticalrecording media
08/04/1992	US5136045 Coloring agent for resins
08/04/1992	US5135845 Sensitizing dye for photographic materials
08/04/1992	US5135842 Thermal dye bleach construction
07/1992
07/21/1992	US5132438 Bichromophoric methine and azamethine dyes and process for transferring them
07/21/1992	US5132268 Mixture of cyan, magenta and yellow dyes, dye transfer imaging, thermal printing
07/21/1992	US5132267 Mixture of cyan, magenta and yellow dyes, dye transfer imaging, thermal printing
07/14/1992	US5130442 Chromogenic enamine compounds, their preparation and use as color formers
07/14/1992	US5130228 Photosensitive material, a dye which will change color on radiation, a multilayer device
07/07/1992	US5128228 In charge transport layer
06/1992
06/30/1992	US5126222 Electrophotographic photosensitive member containing a barbituric acid or thiobarbituric acid derivative
06/30/1992	US5125930 Polymeric cationic dyes including a quaternized pyridinium group
06/30/1992	CA1304387C Cyanine dyes for sensitizing silver halide emulsions to infrared radiation and photographic elements including them
06/25/1992	DE4042010A1 Tri:methine and merocyanine dyestuff prodn. with 1,2-bridged carbocyclic chain - using precursor or onium cpd. and acetylene acid, for sensitising data recording material or laser dyestuff by simple synthesis
06/23/1992	CA1304076C Ligand receptor assay employing squarate dyes
06/17/1992	EP0489973A1 Photographic element comprising a filter dye
06/17/1992	DE4039825A1 New sulpho-bi:phenylyl sulpho-phenyl indene dyestuff cpds. - used as fluorescent dyestuff, whitener esp. for paper or laser dyestuff
06/16/1992	US5122602 Optical indicators; medical diagnosis; quantitative analysis; immunoassay
06/16/1992	US5122557 Light polarizing films or foils and dyes for their production
06/09/1992	US5120858 Process for the preparation of trimethine dyestuffs
06/04/1992	DE4037800A1 Azulene methine dyestuff used as sensitiser in electrophotography - and in printing plate and photoresist prodn., sensitive to UV, visible, red and IR light
06/03/1992	EP0488511A1 Electrophotographic lithograph printing plate material
06/03/1992	EP0488231A1 Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same
05/1992
05/27/1992	EP0487010A1 Improved sensitization of tabular grains with a zeromethine dye and a tetraazaindene
05/26/1992	US5116958 Disperse dyes which are convertible into a thermomigration fast form
05/26/1992	US5116722 Spectrally sensitized silver halide emulsions
05/22/1992	CA2055329A1 Sensitization of tabular grains with a zeromethine dye and a tetraazaindene
05/21/1992	DE4137702A1 Thermal transfer sheet coated with beta, beta:cyano-styryl dyestuff - giving yellow print and used in dyestuff diffusion thermal transfer printing
05/13/1992	EP0484390A1 Novel photoactive compounds
05/12/1992	US5112759 Electrophotographic photosensitive member
05/06/1992	EP0483740A1 Aqueous soluble infrared antihalation dyes
05/01/1992	CA2054087A1 Aqueous soluble infrared antihalation dyes
04/1992
04/30/1992	WO1992007036A1 Selenomerocyanine photosensitizers

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