| Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654) |
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| 03/23/1999 | US5885764 Spectral sensitivity |
| 03/09/1999 | US5879772 Organic dye, oxidizing agent; improved light resistance |
| 03/03/1999 | EP0898596A1 Squarate dyes and their use in fluorescent sequencing method |
| 03/02/1999 | US5877310 Incubating a target material having a functional group and a glycoconjugated fluorescent compound of a fluorophore,a sugar and a reactive group for a period of time sufficient to react reactive group with functional group of the target |
| 03/02/1999 | US5876821 Tetra dye mixed with another dye or dyes for optical recording elements |
| 02/18/1999 | WO1999007793A1 Dye intermediate and method to manufacture dyes |
| 02/18/1999 | CA2297215A1 Dye intermediate and method |
| 02/09/1999 | US5869731 Cationic dyes having specified computed electrostatic shielding energy |
| 02/04/1999 | WO1999005221A1 Cyanine dyes |
| 02/03/1999 | EP0895232A1 Optical information recording medium containing cyanine dyes with organic anions and a silver reflective layer |
| 02/02/1999 | US5866315 Silver halide photographic light sensitive material |
| 02/02/1999 | US5865857 Blue to green disperse dyes for synthetic fiber material |
| 02/02/1999 | US5865855 Coupling two pyrazole compounds |
| 01/26/1999 | US5863753 Fluorescent stains for nucleic acids |
| 01/26/1999 | US5863727 An acceptor fluorophore efficiently absorbs energy emission of a linked donor xanthene fluorophore labelling a oligonucleotide primer; reagent for sequencing nucleic acids |
| 01/21/1999 | WO1998047538A3 Acid-labile and enzymatically divisible dye compounds for diagnosis with near infrared light and for therapy |
| 01/20/1999 | EP0892397A2 Optical information recording medium |
| 01/20/1999 | EP0891971A1 Bispyrazole-aza compounds, processes for their preparation, and hair dyeing agents containing these compounds |
| 01/12/1999 | US5858639 Photographic recording material |
| 01/05/1999 | US5856558 Reacting 2-formyl- or 2-oxoalkylidenetriphenylphosphorane with a chlorinating agent; heating; then nucleophilic agent |
| 12/29/1998 | US5853992 Cyanine dyes with high-absorbance cross section as donor chromophores in energy transfer labels |
| 12/29/1998 | US5853432 Dye mixtures comprising methine and anthraquinone dyes |
| 12/23/1998 | EP0719304B1 Cyanine dyes and process for the production |
| 12/23/1998 | CN1202892A Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives |
| 12/22/1998 | US5852191 Rigidized monomethine cyanines |
| 12/17/1998 | DE19724585A1 Colour photographic recording materials |
| 12/15/1998 | US5849361 Methine dyes based on formylaminopyridones |
| 12/09/1998 | EP0882097A1 Compounds and method for synthesizing sulfoindocyanine dyes |
| 12/01/1998 | US5843617 Thermal bleaching of infrared dyes |
| 11/24/1998 | US5840902 Process for the preparation of beta-hydroxyalkypicolinium salts |
| 11/12/1998 | WO1998030992A3 Fluorescent cyanine dyes |
| 11/11/1998 | EP0876428A1 SULFO BENZ e]INDOCYANINE FLUORESCENT DYES |
| 11/10/1998 | US5834230 Viscosity Probe |
| 11/10/1998 | US5834173 Filter dyes for photographic elements |
| 11/05/1998 | WO1998049176A1 Glycoconjugated fluorescent labeling reagents |
| 11/05/1998 | WO1998048845A1 Method of demarcating tissue |
| 11/05/1998 | WO1998048838A1 Compounds |
| 11/05/1998 | CA2288275A1 Glycoconjugated fluorescent labeling reagents |
| 11/04/1998 | EP0745107B1 Triazolopyridine dyes |
| 11/03/1998 | US5831098 Narrow absorption band; good solvent solubility |
| 10/29/1998 | WO1998047969A1 Alkyl, alkenyl and alkynyl chrysamine g derivatives for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition |
| 10/29/1998 | WO1998047717A1 Optical recording media |
| 10/29/1998 | WO1998047538A2 Acid-labile and enzymatically divisible dye compounds for diagnosis with near infrared light and for therapy |
| 10/29/1998 | DE19717904A1 Säurelabile und enzymatisch spaltbare Farbstoffkonstrukte zur Diagnostik mit Nahinfrarotlicht und zur Therapie Acid labile and enzymatically cleavable dye constructs for diagnosis and therapy with near-infrared light |
| 10/29/1998 | CA2287346A1 Optical recording media |
| 10/29/1998 | CA2286607A1 Alkyl, alkenyl and alkynyl chrysamine g derivatives for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition |
| 10/15/1998 | WO1998022146A3 Optical diagnostic agents for diagnosis of neurodegenerative diseases by means of near infra-red radiation (nir radiation) |
| 10/13/1998 | US5821127 Fluorescent compounds and their use for measuring reticulocytes |
| 09/30/1998 | EP0713585B1 Z-type films for second harmonic generation |
| 09/23/1998 | EP0667887B1 Dyes |
| 09/22/1998 | US5811546 A polyheterocyclic dye provided with atleast one ionizable group which permits solubilization in aqueous or alkaline medium |
| 09/22/1998 | US5811545 Dyes for use in diverse applications |
| 09/22/1998 | US5811370 Used for thermal transfer |
| 09/16/1998 | EP0863884A2 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives |
| 09/02/1998 | EP0861843A2 Fluorescent ionophoric compounds with a cryptand/crown-ether portion and a coumarin portion, their preparation and their use for measuring metal cation concentrations |
| 09/02/1998 | EP0767927B1 Use of methine and azomethine dyes based on naphthoquinones in non-linear optics |
| 09/01/1998 | US5800996 Energy transfer dyes with enchanced fluorescence |
| 09/01/1998 | US5800995 Sequencing near infrared and infrared fluorescence labeled DNA for detecting using laser diodes and suitable labels therefor |
| 08/26/1998 | EP0860820A1 Optical information recording medium |
| 08/13/1998 | WO1998034988A1 Photostabilized cyanine dyes and optical recording medium |
| 08/05/1998 | EP0856155A1 Fluorescent and luminescent labelling compositions and methods for their use |
| 07/28/1998 | US5786089 Z-type films for second harmonic generation |
| 07/22/1998 | EP0854382A1 Heat development image forming process and heptamethine cyanine compound |
| 07/21/1998 | US5783687 Dyes designed for high sensitivity detection of double-stranded DNA |
| 07/21/1998 | US5783377 Infrared absorber dyes |
| 07/16/1998 | WO1998030992A2 Fluorescent cyanine dyes |
| 07/07/1998 | US5777127 Thioheterocyclic near-infrared dyes |
| 07/07/1998 | US5776996 Photopolymerizable composition |
| 07/07/1998 | CA2024976C Radiation sensitive compositions |
| 07/02/1998 | WO1998028737A1 Complex polymethine dyes and their use |
| 07/02/1998 | CA2271079A1 Complex polymethine dyes and their use |
| 06/30/1998 | US5773623 Methine dyes containing a 5- or 6- membered carbocyclic or heterocyclic radical |
| 06/30/1998 | US5773592 Pro drugs for selective drug delivery |
| 06/30/1998 | US5773193 Optical recording layers containing no k metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyes |
| 06/24/1998 | EP0748464B1 Sensitizers for photothermographic elements |
| 06/18/1998 | WO1998026007A1 Helium-neon excitable reticulocyte dyes derivable from halolepidines |
| 06/18/1998 | DE19755201A1 Amine salts of 4-nitrotoluene-2-sulphonic acid preparation, useful dyestuff precursors |
| 06/17/1998 | EP0847870A1 Dyes for a thermal transfer dye-donor recording sheet |
| 06/16/1998 | US5767287 Reacting two compounds having indolenine nuclei with linking reagent in weakly basic solvent at reflux for at least one hour |
| 06/16/1998 | US5767267 DNA complexes with dyes designed for energy transfer as fluorescent markers |
| 06/10/1998 | DE19650958A1 Indolenine methine dye, used for dyeing, printing and diffusion transfer |
| 06/09/1998 | US5763162 Electrophoresis to separate dna by binding fluorescent dye |
| 06/09/1998 | US5763135 Light sensitive composition containing an arylhydrazo dye |
| 06/04/1998 | WO1998023688A1 Trifluormethylpyridone based indolenine methine dyes |
| 06/02/1998 | US5760201 Dimeric fluorescent energy transfer dyes comprising asymmetric cyanine azole-indolenine chromophores |
| 05/28/1998 | WO1998022146A2 Optical diagnostic agents for diagnosis of neurodegenerative diseases by means of near infra-red radiation (nir radiation) |
| 05/28/1998 | DE19649971A1 Optische Diagnostika zur Diagnostik neurodegenerativer Krankheiten mittels Nahinfrarot-Strahlung (NIR-Strahlung) Optical diagnostics for the diagnosis of neurodegenerative diseases by means of near infrared radiation (NIR) radiation |
| 05/28/1998 | DE19648564A1 Brilliant indolenine-methine dyes based on tri:fluoro-methyl-pyridone(s), useful for dyeing synthetic material, etc. |
| 05/28/1998 | CA2272320A1 Optical diagnostic agents for diagnosis of neurodegenerative diseases by means of near infra-red radiation (nir radiation) |
| 05/26/1998 | US5756753 Methine and azamethine dyes based on naphthoquinones in nonlinear optics |
| 05/26/1998 | US5756740 Photographic sensitizers for adsorption of dyes to silver halide grains and nonadsorption of silver halide and in the presence of pyridinium salt and 4-dialklyaminopyridine |
| 05/26/1998 | US5755943 DNA sequencing |
| 05/14/1998 | DE19646855A1 Improving sensitivity of photographic emulsions using cyanine dyes |
| 05/13/1998 | EP0840798A1 Use of a salt of 6-carboxy-3-methylbenzothiazolone hydrazone hydrate in colorimetric determination of hydrogen peroxide |
| 05/12/1998 | US5750761 Reaction with a cyanide and oxidizing agent in presence of halides |
| 05/12/1998 | US5750722 Method for the preparation of high purity substituted benz E! indoles and the alkaline salts thereof |
| 05/06/1998 | EP0702727A4 Dyes designed for high sensitivity detection of double-stranded dna |
| 05/05/1998 | US5747233 Use of indoleine-cyaninedisulphonic acid derivatives |
| 04/29/1998 | CN1180316A Diagnostic marker |
| 04/22/1998 | EP0837463A1 Optical recording layers containing no K metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyes |