Patents for C09B 11 - Diaryl- or triarylmethane dyes (2,007) |
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05/07/1985 | US4515971 Chromogens for carbonless copying |
04/24/1985 | EP0138177A2 Fluoranes and their use |
04/09/1985 | US4510513 Substrate coated with 2-anilino-3-methyl-6-dibutylamino-fluoran |
04/09/1985 | US4510251 Fluorescent polarization assay for ligands using aminomethylfluorescein derivatives as tracers |
04/02/1985 | US4508904 Fluorane compounds |
03/26/1985 | US4507670 Thermosensitive recording material |
03/05/1985 | US4503227 Heat sensitive or pressure sensitive recording |
03/05/1985 | US4502862 Cationic polyazo dyestuffs, their stable solutions, their preparation, and their use |
02/26/1985 | US4502067 Heat-sensitive black recording material |
02/19/1985 | US4500897 Heat-sensitive black recording element |
02/05/1985 | US4497894 Benzol(b)furan or benzo(b)thiophene derivative triarylemthane dyes |
12/04/1984 | US4486763 Chromogen, acid benzamide compound |
11/07/1984 | EP0124377A2 Chromogenic compounds |
10/30/1984 | US4480002 Dyestuff-containing microscopic capsule suspension for record materials |
10/24/1984 | EP0122318A2 Heat sensitive record sheet |
10/16/1984 | US4477381 Triaminotriarylmethane colorants |
10/03/1984 | EP0120399A2 Process for the preparation of acid dyes of the triphenylmethane series poor in electrolyte |
09/25/1984 | US4473832 Pressure-sensitive recording sheets |
09/18/1984 | US4472581 Imidazomethylene dyes |
09/18/1984 | CA1174671A1 Image dye-providing materials, photographic products and processes |
09/18/1984 | CA1174466A1 Dyestuff-containing microscopic capsule suspension for record materials |
09/11/1984 | CA1174239A1 Photographic products and processes employing triarylmethane compounds |
09/11/1984 | CA1174238A1 Sulfam(na)phthaleins as light-screening dyes |
09/11/1984 | CA1174237A1 Xanthene compounds |
09/04/1984 | US4469516 Aryl-pararosaniline sulfonic acid |
08/15/1984 | EP0115821A1 Fluoran compounds |
08/15/1984 | EP0115818A2 Cationic polyazo-dyestuffs, their stabilized solutions, their preparation and use |
08/15/1984 | EP0115701A1 Novel xanthene compounds and their photographic use |
07/04/1984 | EP0112710A1 Fluoran derivatives |
07/03/1984 | CA1170254A1 Dyes containing imidazolylmethylene groups |
06/26/1984 | CA1169604A1 Soft textured high strength alkali blue pigment |
06/13/1984 | EP0110186A1 Aminomethylfluorescein derivatives |
05/29/1984 | US4451398 Dyes containing imidazolymethylene groups |
05/16/1984 | EP0108382A1 Hydrazine derivatives of phthalides and furopyridinones, methods for making and for using said compounds |
05/15/1984 | US4448446 Process for the purification of triphenylmethane compounds and pressure sensitive copysheet containing same |
05/01/1984 | US4446470 Ink-jet color printing system |
05/01/1984 | US4445904 Process for continuously dyeing in the gel state fiber material of acrylonitrile polymers spun from organic solvents with carbinol- or anhydro base of basic dye |
04/17/1984 | US4443614 Leuco dyes, phthalein dyes, indicators |
03/27/1984 | US4439610 Process for preparing triarylmethane derivatives |
03/14/1984 | EP0102745A2 Triarylmethane compounds, their preparation and use as photoconductive systems |
03/14/1984 | EP0027462B1 Photosensitive element, film unit for forming a diffusion transfer color image, photographic image, diffusion transfer color process and compounds therefor |
03/13/1984 | US4436920 Diarylaminofluoran compounds |
02/21/1984 | US4433156 Process for preparing fluoran derivatives |
01/31/1984 | US4429142 Xanthene compounds |
01/18/1984 | EP0098728A2 Heat-sensitive black recording material |
01/17/1984 | CA1160640A1 Xanthene compounds and photographic products and processes employing the same |
01/11/1984 | EP0098151A2 Heat-sensitive black recording element |
01/03/1984 | CA1159823A1 Alkyl substituted fluorescent compounds and conjugates |
12/13/1983 | US4420627 Hydrazine dyes |
11/30/1983 | EP0095114A2 Fluorane compounds, process for their preparation and their use as colour components in copying systems |
11/29/1983 | CA1157863A1 Xanthene compounds and photographic products and processes employing the same |
11/23/1983 | EP0094657A2 Fluorane compounds, process for their preparation and their use as colour components in copying systems |
11/22/1983 | US4416971 Photographic light screening dyes |
11/15/1983 | CA1157025A1 Xanthene compounds and photographic products and processes employing the same |
11/10/1983 | WO1983003840A1 Process for preparing triarylmethane compounds |
11/08/1983 | US4414399 Leuco dyes, carbonless duplicating |
10/18/1983 | US4410708 Chromogenic fluoran derivatives and the preparation and use thereof |
10/11/1983 | USRE31412 Fluoran compound as color-former |
09/20/1983 | US4405788 Bicyclo nitrogenheterocyclic substituted sulfofluoresceins, fluoresceins and xanthenes |
09/13/1983 | CA1153610A1 Carbonylic halides as activators for phototropic compositions |
08/16/1983 | US4399291 Condensation of a benzaldehyde, an aniline, an aminobenzoic acid; oxidation |
07/19/1983 | US4394487 Adsorbent for the affinity-specific separation of macromolecular materials |
07/19/1983 | US4394314 Process of preparing aromatic aldehydes by reacting selected aromatic compounds with formamidine acetate and an organic acid anhydride |
06/29/1983 | EP0082394A2 A process for the production of aminophthalides and amino benzoic acids |
06/28/1983 | US4390616 Diarylaminofluoran color former |
06/15/1983 | EP0081228A1 Pressure-sensitive recording sheets |
06/15/1983 | EP0081125A1 Cationic dyes, their preparation process and their use in dyeing and mass dyeing |
06/14/1983 | CA1148073A1 Diagnostic agents for the detection of leukocytes in body fluids |
06/07/1983 | CA1147728A1 Lactone compounds containing an indolizine radical |
05/31/1983 | US4386216 Zwitterionic carbonium sulfonate xanthene compounds |
05/24/1983 | US4384869 Activation of hypochlorite bleaching of dyes |
05/17/1983 | US4383865 Treated with alkylarylsulfonic acid and an amine |
04/27/1983 | EP0077514A2 Process for the continuous dyeing, in a gel state, of fibrous articles spun from acrylonitrile polymer solutions in organic solvents |
04/26/1983 | CA1145341A1 Fluoran carboxylic acids and esters thereof |
03/02/1983 | EP0073008A2 Cationic dyestuffs |
02/22/1983 | CA1141541A1 Pressure-sensitive record material |
01/25/1983 | CA1139942A1 Pressure-sensitive record material |
01/25/1983 | CA1139941A1 Thermally-responsive record material |
01/18/1983 | CA1139599A1 Imaging member including a n,n'substituted ¬1,1'-biphenyl|-4,4'-diamine charge transport material and a bis-or tris- (disubstituted amino phenyl) methane stabilizing compound |
12/21/1982 | US4364999 Heat sensitive record sheet |
11/16/1982 | US4359574 Thiazine-1,1-dioxide and isothiazole-1,1-dioxide derivatives |
10/26/1982 | US4355823 Pressure-sensitive or heat-sensitive recording material |
10/12/1982 | US4353833 Cationic dyes |
10/06/1982 | EP0061624A1 Cationic dyes and their use |
09/28/1982 | US4351760 Novel alkyl substituted fluorescent compounds and polyamino acid conjugates |
09/22/1982 | EP0060428A1 Mixtures of triamino-triaryl methane dyestuffs |
09/14/1982 | US4349679 Color-formers in recording materials |
09/14/1982 | US4349454 Preparation of aqueous medium suitable for preparing microcapsules |
09/14/1982 | US4349218 Pressure and heat sensitive elements; carbonless reproduction |
09/07/1982 | US4348330 Process for the production of sulphinates of benzhydrol compounds |
08/17/1982 | US4345017 Antihalation agents, filters, antisoilants to adjust color balance of light sensitive elements; color films; self-development/photo/ |
08/17/1982 | CA1129855A1 Lactone compounds containing a heterocyclic radical |
08/17/1982 | CA1129848A1 Agent for the detection of leukocytes |
08/11/1982 | EP0057661A2 Process for the production of leuco triaryl methane compounds |
07/27/1982 | US4341403 Fluoran compounds, process for preparation thereof, and recording sheets using same |
07/20/1982 | US4340540 Preparation of basic triarylmethane dyestuffs |
06/23/1982 | EP0054277A2 Dyestuff-containing microscopic capsule suspension for record materials |
06/15/1982 | US4335226 Polymeric carrier having covalently bonded affine residue group |
06/08/1982 | US4334072 Lactone compounds containing an indolizine radical |
05/25/1982 | US4331760 Diagnostic agent for the detection of leukocytes and chromogens useful therein |