Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654)
04/1998
04/22/1998EP0837460A1 Tetra dye mixed with another dye or dyes for optical recording elements
04/22/1998EP0837459A1 Optical recording elements having recording layers containing mixtures of no K metallized formazan and cyanine dyes
04/22/1998EP0837458A1 Thicker optical recording layers comprising a tetra dye having a metallized azo dianionic dye with cationic dye counterions
04/22/1998EP0837457A1 Mixtures of low K metallized formazan dyes with symmetrical and unsymmetrical cyanine dyes
04/22/1998EP0536345B1 Photographic high contrast silver halide materials
04/21/1998US5741632 Class of non-sensitizing infra-red dyes for use in photosensitive elements
04/09/1998WO1998014833A1 Light sensitive composition containing an arylhydrazo dye
04/09/1998WO1998014612A1 Cyanine dyes with high-absorbance cross section as donor chromophores in energy transfer labels
04/09/1998WO1998014525A1 Aqueous ink compositions
04/09/1998WO1998014524A1 Aqueous ink compositions
04/09/1998WO1998014523A1 Aqueous ink compositions
04/09/1998CA2267654A1 Cyanine dyes with high-absorbance cross section as donor chromophores in energy transfer labels
04/08/1998EP0834074A1 Detection of transmembrane potentials by optical methods
04/01/1998EP0833314A2 Information recording medium
03/1998
03/31/1998US5734058 Fluorescent DNA-Intercalating cyanine dyes including a positively charged benzothiazole substituent
03/31/1998US5733343 Trichromatic principle
03/24/1998US5731054 Mixtures of low K metallized formazan dyes with symmetrical and unsymmetrical cyanine dyes
03/12/1998WO1998010099A1 Dyes designed for high sensitivity detection of double-stranded dna
03/11/1998EP0828183A1 Photographic element comprising infrared absorber dyes
03/10/1998US5725607 Computed electrostatic shielding energy
03/03/1998US5723617 Pyrrolo 2,1-a!isoquinoline dyes
03/03/1998US5723288 Method of fluorescent detection of nucleic acids and cytoskeleton elements using bis-dicationic aryl furans, and kits useful therefor
02/1998
02/26/1998WO1998007574A1 Thermal bleaching of infrared dyes
02/25/1998CN1174511A In-vivo diagnostic process by near infrared radiation
02/17/1998US5719288 Pyridone dyes
02/17/1998US5719027 Labeled complex and method of analysis therewith
02/05/1998WO1998004635A1 Compounds and method for synthesizing sulfoindocyanine dyes
02/04/1998EP0821787A1 Difference gel electrophoresis using matched multiple dyes
02/04/1998EP0689507B1 Ink ribbons containing compounds absorbing in the ir region
02/03/1998US5714616 For use in nonlinear optics
02/03/1998US5714304 Nonlinear optical media of organosilicon crosslinked polymer
01/1998
01/21/1998EP0820057A1 Information recording medium
01/21/1998EP0819977A1 Oxonol compound, silver halide photographic material and process for the synthesis of oxonol compound
01/14/1998EP0818512A1 Quinoline derivative and use of same
12/1997
12/23/1997US5700757 Triazolopyridine dyes and intermediates therefor
12/16/1997US5698490 Thermal transfer ink ribbons using the same
12/16/1997US5698364 Dyes and dye receiver elements for thermal dye transfer recording
12/09/1997US5696243 Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same
12/09/1997US5695918 Light sensitive layer containing absorber dyes, for photographic films
12/09/1997US5695909 Silver halide photographic material
12/04/1997WO1997045539A1 Probe for analysis of nucleic acids
12/04/1997WO1997045492A1 Method of making solvent soluble squaraine dyes
12/04/1997WO1997045491A1 Pyridone colorants
12/04/1997CA2451442A1 Fluorescent dyes for probes for analysis of nucleic acids
11/1997
11/27/1997DE19621026A1 Pyridonfarbstoffe Pyridone dyes
11/26/1997EP0809139A1 Silver halide photographic light-sensitive material
11/25/1997US5691129 Zeromethine merocyanine dyes useful as spectral sensitizers in photographic elements
11/25/1997US5691126 Pyrazolone, cyanine, filter, and acutance dyes
11/18/1997US5688966 Compounds and method for synthesizing sulfoindocyanine dyes
11/12/1997EP0806455A2 Methine and azamethine dyes derived from trifluoromethylpyridones
11/11/1997US5686456 Methods of treating pneumocystis carinii pneumonia
11/05/1997EP0805190A2 Energy transfer dyes with enhanced fluorescence
10/1997
10/30/1997WO1997040104A1 Squarate dyes and their use in fluorescent sequencing method
10/30/1997CA2251985A1 Squarate dyes and their use in fluorescent sequencing method
10/29/1997CN1163422A Silver halide photosensitive emulsion layer with enhanced photosensitivity
10/22/1997CN1162970A Methine and azamethine dyes made from trifluoromethylpyridones
10/21/1997US5679795 Reacting a cyclic ketomethylene moiety with isothiocyanate in the presence of a base; reacting prduct with a haloacetic acid; eliminating water; cyclization
10/15/1997EP0800831A1 Diagnostic marker
10/07/1997US5674669 Contains a monomethine pyrazolone oxonol dye with a 1-phenyl group bearing a sulfo or sulfato substituent
09/1997
09/25/1997DE19610533A1 Silver halide photographic emulsion with improved spectral sensitivity
09/24/1997EP0796297A1 Methine dyes based one formylaminopyridones
09/24/1997EP0796111A1 In-vivo diagnostic process by near infrared radiation
09/24/1997EP0736069B1 Pyridone dyes
09/16/1997US5667975 Method of fluorescent detection of nucleic acids and cytoskeleton elements using bis-dicationic aryl furans
09/16/1997US5667860 Polymeric cyanine dyes
09/10/1997EP0794232A1 Novel zeromethine merocyanine dyes useful as spectral sensitizers in photographic elements
09/09/1997US5665887 Methine compound
09/09/1997US5665677 N-alkyl-N-para-aminoaryl substituted dicyanovinyl aniline dyes for use in thermal transfer printing
09/04/1997DE19708201A1 Photopolymerisable composition sensitive to visible and laser light
09/02/1997US5663308 Organosilicon polymers, and dyes, exhibiting nonlinear optical response
08/1997
08/27/1997EP0791035A1 Azamethine dyes
08/27/1997EP0791034A1 Methine and azamethine dyes made from trifluoromethylpyridones
08/26/1997US5661035 For generating fast ratiometric voltage-sensitive fluorescence changes in cell systems
08/26/1997US5660598 Produce lightfast blue to green shades on synthetic textiles
08/20/1997CN1157301A Fluorescent dye synthetic method
08/19/1997US5658751 Substituted unsymmetrical cyanine dyes with selected permeability
08/19/1997US5658735 Cyclized fluorescent nucleic acid intercalating cyanine dyes and nucleic acid detection methods
08/13/1997EP0788890A1 Dyes and dye-donor elements for thermal dye transfer recording
08/12/1997US5656759 Hydrophobic cationic dye compounds
08/05/1997US5654122 N-aminopyridone dyes
08/05/1997CA1339219C Polymeric cationic dyes
07/1997
07/30/1997EP0786692A1 Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
07/30/1997EP0786497A1 New dyes for use in diverse applications
07/29/1997CA1339140C Fluorescent dyes
07/24/1997WO1997019937A3 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives
07/23/1997CN1154966A Noval compound and usage thereof
07/22/1997US5650334 Labels on targets, polysaccharides and fluorescent dyes
07/08/1997US5646264 Kit comprising at least two fluorescent multimers
07/08/1997US5645910 Formazan-cyanine copolymers dyes for optical recording layers and elements
07/02/1997EP0781816A1 New dyes for use in diverse applications
06/1997
06/25/1997EP0780443A2 Pyrrolo(2,1-a)isoquinoline dyes
06/18/1997EP0779540A1 A novel class of non-sensitizing infra-red dyes for use in photosensitive elements
06/17/1997US5639874 Using infrared fluorescing dye covalently bound to dna probe
06/11/1997CN1151690A Dental impression material with cure-indicating dye
06/05/1997WO1997019937A2 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives
06/05/1997DE19544269A1 Verfahren zur Herstellung von bis-alkoxy-aminohaltigen Stilbendisulfonsäuren oder deren Derivaten A process for preparing bis-alkoxy-amino-stilbene disulfonic acids or derivatives thereof
06/04/1997EP0776888A2 Process for the preparation of beta-Hydrosyalkylpicolinium salts and picolinium salts as intermediates for the prepation of cationic dyes
06/04/1997CN1151209A Method of fluorescent detection of nucleic acids and cytoskeleton elements using bis-dicationic aryl furans
05/1997
05/28/1997EP0582579B1 N-aminopyridone dyes
05/27/1997US5633390 Silver halide photographic material containing pyrazolone-pentamethine oxonol dye
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