| Patents for C09B 11 - Diaryl- or triarylmethane dyes (2,007) |
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| 04/14/1993 | EP0406333B1 A heat sensitive recording element and a thermographic method |
| 04/08/1993 | DE4212794A1 New (hetero)aryl arylidene-coumarin cpds. - used for dyeing and printing of natural or synthetic material, pigmenting plastics and in thermal transfer printing |
| 04/06/1993 | US5200292 Light-sensitive composition consisting essentially of, in admixture a nonionic aromatic diazo compound and a cationic dye/borate anion complex |
| 04/06/1993 | US5199985 Sensitizing an aryl pararosanilinesulfonic acid pigment with at least one chain length alcohol which has been modified with propylene oxide and ethylene oxide |
| 03/30/1993 | US5198558 Oxidation, filtration |
| 03/23/1993 | CA1314748C Colored electroscopic toners containing quenched esterified rhodamine dyes |
| 02/23/1993 | US5189188 Suitable as color formers in pressure-sensitive and thermo reactive dyes; photostability |
| 02/23/1993 | US5188934 Long wavelength, narrow emission bandwidth fluorescent dyes; automatic DNA sequencing |
| 02/21/1993 | WO1993004403A1 Photographic products and processes |
| 02/21/1993 | CA2090219A1 Photographic products and processes |
| 02/17/1993 | EP0527649A2 Poly(oxyalkylene) substituted xanthene colorant and method for making the same |
| 02/17/1993 | EP0527648A2 Poly(oxyalkylene) substituted aminophenol intermediate and xanthene colorant |
| 02/16/1993 | US5187282 Light screening dyes; storage stable, water soluble; decolor irreversibly |
| 02/10/1993 | EP0526856A2 Crystal modifications of 2-m-toluidino-3-methyl-6-di-n-butylaminofluoran, process for preparing thereof, and recording materials containing said crystal modifications |
| 01/27/1993 | EP0524419A1 Heat-sensitive recording materials and phenol compounds |
| 01/12/1993 | US5178670 Fluoran, 3,1-benzoxazine or lactone colorformers for black pressure or heat sensitive elements |
| 12/23/1992 | EP0519198A2 Immobilization of PH-sensitive dyes to solid supports |
| 12/10/1992 | DE4143341A1 New amino-calcein cpds. for reversible optical sensor for metal ion concn. |
| 12/02/1992 | EP0516163A1 Reversible redox-controlled imaging methods |
| 12/01/1992 | CA2068381A1 Reversible redox-controlled imaging methods |
| 11/25/1992 | EP0515133A2 Fluorone and pyronin Y derivatives |
| 11/10/1992 | US5162550 Bisphthalide lactones, their preparation and the use thereof in recording materials |
| 10/15/1992 | DE4112066A1 New anilino N-alkyl-N-phenylalkyl:aminomethyl:fluoran cpds. - used in copying and in new intermediate aminophenol and benzoyl:benzoic acid cpds. |
| 10/14/1992 | EP0508341A1 Sulfonated xanthene dyes |
| 10/13/1992 | US5155212 Substituted phencyclidine compound linked to polyamino acid |
| 09/15/1992 | CA1307531C 3-(4-aminophenyl)-3-(1-substituted-3-indolyl) phthalides and their analogs, processes for their production and marking systems using the same |
| 09/02/1992 | EP0500779A1 4,7-dichlorofluorescein dyes as molecular probes |
| 09/01/1992 | US5143892 Chromogenic phthalides |
| 08/26/1992 | EP0499712A2 Optical sensor |
| 08/13/1992 | DE4202512A1 4,4'-Di:amino:benzhydrol(s) prepn. - by hydrogenation of 4,4'-di:amino:benzophenone(s) in presence of hydrogenation catalyst and acid and/or salt |
| 08/05/1992 | EP0496749A1 Spectrally resolvable rhodamine dyes for nucleic acid sequence determination. |
| 07/21/1992 | US5132439 Coomassie dye" derivatives |
| 06/24/1992 | EP0491256A1 Process for the preparation of triphenylmethane dyes |
| 06/11/1992 | DE4139851A1 Novel colour-developing materials - comprise substd. benzo:pyrano:thio:-xanthene:di:oxide(s) |
| 05/29/1992 | WO1992008720A1 Photo-labile compounds, their synthesis and use as fluorophores |
| 05/21/1992 | DE4134079A1 Aryl para rosaniline sulphonic acid pigment formulation contg. alcohol - modified with propylene oxide and ethylene oxide, used in printing ink, carbonless paper, typewriter ribbons etc. |
| 05/20/1992 | WO1992008689A1 Protein staining compositions and methods |
| 05/20/1992 | CA2096542A1 Protein staining compositions and methods |
| 05/05/1992 | US5111472 Fluorinated laser dyes |
| 05/05/1992 | US5110952 Method of producing 3-dibutylamino 6-methyl-7-anilinofluoran |
| 04/01/1992 | EP0477623A1 Crystal of fluoran compound, preparation process of the crystal, and recording material comprising the crystal |
| 03/31/1992 | US5100807 Fluorescence polarization immunoassay |
| 03/26/1992 | DE4029893A1 Stabilised di:phenyl-methane dyestuff - contg. tartaric and/or citric acid in aggregate state or aq. soln. to prevent hydrolysis, useful for dyeing paper |
| 03/24/1992 | US5099000 Fluorescent compounds for immunoassay as tracers |
| 03/17/1992 | US5097034 Triarylmethane color formers |
| 03/10/1992 | US5094688 Triarylmethane color-forming agents |
| 03/04/1992 | EP0472608A1 Method for simultaneous control of cleaning and hygiene and agent for use when carrying out the method |
| 02/11/1992 | US5087706 Fluoran compounds, process for preparation thereof and recording materials comprising said compound |
| 02/06/1992 | WO1992001699A1 Pt-CONTAINING COMPOUND, PROCESS FOR ITS PREPARATION, AND APPLICATION OF SUCH COMPOUNDS |
| 02/04/1992 | USRE33815 Heat sensitive record sheet |
| 01/29/1992 | EP0468821A1 Process for the preparation of rhodamines |
| 01/15/1992 | EP0466040A1 Crystals of fluoran compound, crystalline solvates thereof, process for their preparation and recording material comprising said crystal or said solvate |
| 12/24/1991 | CA1293506C Fluoran derivatives and their use in recording materials |
| 12/10/1991 | US5071986 Chromogenic phthalides and azaphthalides |
| 12/04/1991 | EP0459387A2 Phencyclidine and phencyclidine metabolites assay, tracers, immunogens, antibodies and reagent kit |
| 11/30/1991 | CA2043372A1 Phencyclidine and phencyclidine metabolites assay, tracers, immunogens, antibodies and reagent kit |
| 11/19/1991 | US5066814 2-dicarboximidefluorane or 3-dicarboximidefluorane compounds |
| 11/19/1991 | US5066580 Xanthene dyes that emit to the red of fluorescein |
| 10/15/1991 | US5057393 Complexed with cationic dyes |
| 10/08/1991 | US5055595 Etherified fluorescein compounds |
| 09/24/1991 | US5051504 Dyes for coloring paper |
| 09/17/1991 | US5049673 Fluorescent indicator dyes for calcium working at long wavelengths |
| 09/10/1991 | US5047559 Novel fluorinated laser dyes |
| 08/20/1991 | US5041560 Fluoran compound |
| 08/13/1991 | US5039822 Chromogenic phthalides |
| 07/24/1991 | EP0437800A1 Derivatives and analogues of monoethylglycinexylidide and their production and use |
| 07/03/1991 | EP0435149A2 Method of producing 3-dibutylamino-6-methyl-7-anilinofluoran |
| 06/26/1991 | EP0433813A2 Triarylmethane colour formers |
| 06/23/1991 | CA2032228A1 Derivatives and analogs of monoethylglycinexylidide and their production and use |
| 06/12/1991 | EP0431422A1 Bis-triazylmethane compounds |
| 05/30/1991 | WO1991007507A1 4,7-dichlorofluorescein dyes as molecular probes |
| 05/16/1991 | WO1991005060A3 Spectrally resolvable rhodamine dyes for nucleic acid sequence determination |
| 05/07/1991 | US5013857 Oxidation of the leuco dye with manganese dioxide |
| 04/18/1991 | WO1991005060A2 Spectrally resolvable rhodamine dyes for nucleic acid sequence determination |
| 04/03/1991 | EP0420024A2 Fluoran compounds, process for preparation thereof and recording materials comprising said compound |
| 04/02/1991 | US5004813 Chromogenic phthalides and azaphthalides |
| 03/21/1991 | WO1991003476A1 5- and 6-succinimidylcarboxylate isomers of rhodamine dyes |
| 03/06/1991 | EP0415885A1 Bis-Phthalideactones, process for their preparation, and their use in recording materials |
| 02/12/1991 | US4992560 Condensation of N-monoalkylated 3-amino-4-methylphenol with phthalic anhydride |
| 02/07/1991 | DE4023212A1 New fluorophore-substd. phosphate derivs. - are intermediates for new labelled nucleoside, nucleotide and oligo-nucleotide probes and primers in bio-technology |
| 01/16/1991 | EP0408322A1 Dye-Borate complexes |
| 01/16/1991 | EP0408227A1 Photohardenable or photosoftenable compositions |
| 01/15/1991 | US4985323 Photoconductor, Sensitizer, Amide |
| 01/09/1991 | EP0407228A1 Dye-borate complexes |
| 01/09/1991 | EP0406333A1 A heat sensitive recording element and a thermographic method. |
| 01/01/1991 | US4981970 Leuco dyes, recording |
| 01/01/1991 | US4981833 Recording material using thermodecoloring dye |
| 12/11/1990 | US4977278 Preparation of rhodamine dyes in granule form by direct cooling |
| 12/05/1990 | EP0400433A1 Double triphenylmethane dyes and piperazine derivatives |
| 11/30/1990 | CA2016491A1 Doubled triphenylmethane dyes and piperazine derivatives |
| 11/27/1990 | US4973712 2-aralkylaminofluorans, their preparation and the use thereof in recording materials |
| 11/18/1990 | WO1990014591A1 Method for simultaneous control of cleaning and hygiene and agent for use when carrying out the method |
| 11/18/1990 | CA2057008A1 Method for simultaneous control of cleaning and hygiene and agent for use when carrying out the method |
| 11/12/1990 | WO1990013296A1 Antiviral therapy using thiazine and xanthene dyes |
| 11/06/1990 | US4968797 Pressure-copyable thermoreactive and electrochromic recording materials |
| 11/06/1990 | CA1276029C Thermal imaging method |
| 10/17/1990 | EP0392356A1 Xanthene dyes for electrophotographic recording procedures |
| 09/25/1990 | US4959471 Improved migration properties in plastics, lenses |
| 09/19/1990 | EP0174371B1 Triphenylmethane derivatives and method for determining oxidative substances using them as color-forming component |
| 09/12/1990 | EP0387087A2 Photoinitiator compositions, photohardenable compositions and photosensitive microcapsules |