C09B 11 - Diaryl- or triarylmethane dyes

Patents for C09B 11 - Diaryl- or triarylmethane dyes (2,007)
06/1979
06/05/1979	CA1055954A2 Halogenated sulphophthaleins
06/05/1979	CA1055943A1 Benzoindole phthalides
06/05/1979	CA1055941A1 Vinyl color formers
06/05/1979	CA1055824A1 Diagnostic agent for the detection of protein in body fluids
05/1979
05/29/1979	US4156682 Fluoran compounds and recording sheet containing them
05/22/1979	CA1054756A1 Concentrated solution of auramine dye phosphate_
05/15/1979	US4154463 Pressure-sensitive or heat-sensitive recording material containing a carbazolyl methane compound
05/08/1979	US4153609 3-Indolyl-3-bis-amino-phenyl-phthalide compounds
04/1979
04/24/1979	US4151174 1:1 Adducts of indole and (na)phthalaldehydic acid
04/10/1979	CA1052381A1 Heterocyclic substituted fluorans
04/04/1979	EP0001290A1 Substituted 2,3-dihydrobenz-(d)-isothiazole-1,1-dioxides and 2,3-dihydronaphtho-(1,8-de)-1,2-thiazine-1,1-dioxides
04/04/1979	EP0001248A1 Benzopyranothiazoles, their preparation and their use in pressure- or heat-sensitive recording material
03/1979
03/06/1979	US4142914 Triarylmethane dyes stabilized with carboxyalkyl amines
01/1979
01/02/1979	US4132436 Recording material
11/1978
11/21/1978	CA1042920A1 Bases and anhydrous salts of dyes of the series auramines
11/07/1978	US4124592 Bis-indolyl phthalides and naphthalides
11/07/1978	US4124227 Oxime ethers of Michler's hydrol, method of producing same and pressure-sensitive recording systems containing such compounds
10/1978
10/10/1978	US4119776 Vinyl phthalide color formers
09/1978
09/26/1978	CA1039286A1 Pyrazoloxanthene compounds and method for producing same
09/19/1978	US4115413 Acid free
09/19/1978	US4115126 Magenta triphenylmethane antihalation dyes for photographic elements
08/1978
08/29/1978	US4110343 Bisfluoran chromogenic compounds, preparation thereof, and pressure-sensitive copy systems employing same
08/01/1978	US4104437 Pressure-sensitive copy system including ureido fluoran chromogenic compounds
07/1978
07/25/1978	US4102893 Process for the manufacture of color formers of indoles and anhydrides of aromatic or heteroaromatic, vicinal dicarboxylic acids, new color formers of these classes of substance and their use
07/11/1978	US4100169 Useful as color formers
06/1978
06/20/1978	US4096176 Benzoylbenzoic acids
06/13/1978	US4094877 Tri- or tetrasubstituted diphenylphthalides
05/1978
05/02/1978	US4087241 Printing inks for transfer printing
03/1978
03/14/1978	US4078934 Photosensitive, image-forming composition containing a leuco 2,3-disubstituted-1-indanone and a photooxidant
02/1978
02/28/1978	US4076728 Condensing michler's hydrol with 3-dimethylaminobenzoic acid, salt formation, oxidation
02/21/1978	US4074967 Dyestuff preparations for dyeing and printing natural and synthetic polyamide fibre materials
02/14/1978	US4074060 Auramine salts
02/14/1978	US4074050 Diphenyl-1,3-benzoxazine-2-ones
02/14/1978	US4073614 Mixture of benzoxazines and benzodioxanes which may be used as color formers
02/07/1978	US4072690 Indolyl methylene leuco dyestuffs
12/1977
12/13/1977	US4062877 Process for the preparation of violet dyestuffs of the triphenylmethane series
12/13/1977	US4062876 Sensitive pH indicator
12/13/1977	US4062866 3-Indolyl-3-phenyl-phthalides
12/06/1977	US4061464 Basic nitro dye, nonionic surfactant
11/1977
11/08/1977	US4057563 Amino triarylmethanes
11/08/1977	US4057562 Cryochromic
10/1977
10/25/1977	US4055358 Leuco dyes
10/18/1977	US4054718 Heat-sensitive recording material containing a malachite green color former
10/04/1977	US4052415 Manufacture of lactones of the triphenylmethane series
10/04/1977	US4052398 Diazarhodamine-lactones, their manufacture and their use as dye intermediates for copying processes
09/1977
09/06/1977	US4046776 Heterocyclic substituted lactone compounds
08/1977
08/30/1977	US4045458 Process for preparing triarylmethane derivatives
08/16/1977	US4042322 Process for dyeing anionically modified synthetic fiber materials
08/09/1977	US4041054 Process for the preparation of symmetric 4-halogen-4',4"-diarylamino-triphenylmethane compounds
08/09/1977	US4040779 Dry heat process to dyeing and printing organic material which can be dyed with cationic dyes
08/02/1977	US4039557 Chromenopyrazole compounds
07/1977
07/19/1977	US4036863 Intermediates for ph-sensitive phthalide and naphthalide indicator dyes
07/12/1977	US4035393 Chromogenic derivatives of bis-1,1-disubstituted ethylene and a process for preparing them
06/1977
06/28/1977	US4032527 Color precursors
06/28/1977	US4032357 Anionic surfactant
06/07/1977	US4028357 2'-(4,6-Disubstituted)-s-triazin-2-yl)amino-6'-dialkylamino flurans
05/1977
05/31/1977	US4026883 Machine readable and copiable
05/17/1977	US4024157 Fluoran compounds and recording sheet containing them
05/10/1977	US4022771 Record materials and marking systems
04/1977
04/26/1977	US4020068 Chromogenic furoquinoxalines
04/05/1977	US4016174 Benzoindole phthalides
03/1977
03/22/1977	US4013416 Diagnostic means for the detection of protein in body fluids
03/15/1977	US4012419 Bisfluoran chromogenic compounds, preparation thereof, and pressure-sensitive copy systems employing same
03/08/1977	US4011237 Color formers, shades of orange
03/01/1977	US4010168 Naphthalide indicator dyes
01/1977
01/11/1977	US4002631 Tetrahydroquinoline or jujolidine derivative of a lactone compound of pyridine-carboxylic acid
01/04/1977	US4001335 Dyes, pesticides
12/1976
12/28/1976	US4000135 Iron tetraazannulenes as catalysts
12/28/1976	US3999939 Sublimable carbinol base derivatives of cationic dyestuffs
12/21/1976	US3998846 Process for preparing dibenzylamino fluoran compounds
12/21/1976	US3998826 Color precursors for carbonless duplicating
12/21/1976	US3998825 Color precursors
12/14/1976	US3997561 Pressure sensitive copying paper
12/14/1976	US3997541 Pressure sensitive
12/07/1976	US3996406 2-Phenyl-1,2,3-triazolofluoran compounds
12/07/1976	US3996212 Fluoran compounds
11/1976
11/30/1976	US3995088 Coated pressure-sensitive recording material
11/16/1976	US3992450 Photosensitive compositions
11/16/1976	US3992140 Acid-modified textile fibers
10/1976
10/26/1976	US3988492 Pressure sensitive copy paper employing pyrazoloxanthene compounds
10/19/1976	US3987062 Process of preparing 3,3-bis[4-dimethylaminophenyl]6-dimethylaminophthalide
10/12/1976	US3985936 Or heat sensitive copying or recording material
09/1976
09/21/1976	US3981735 Peroxides, complexing
09/14/1976	US3980430 Cationic dye, halogenated hydrocarbon
09/07/1976	US3979324 Dye solvents for pressure-sensitive copying systems
09/07/1976	US3979141 Pressure-sensitive recording system comprising 3'-amino-6' or 7'-(pyrazol-1-yl)fluoran compounds as color precursors
08/1976
08/24/1976	US3976662 1:1 Adducts of 1-naphthol and (Na)phthalaldehydic acid
08/24/1976	US3976659 Indicators
08/10/1976	US3974180 Furanes, their manufacture and use
08/10/1976	US3974175 Orange color formers
07/1976
07/27/1976	US3971821 From an aniline and a formamide
07/20/1976	US3970671 Chromogenic compounds and method for preparation thereof
07/06/1976	US3967835 Pressure-sensitive copying material
06/1976
06/15/1976	US3963853 Pressure sensitive transfer sheet
06/15/1976	US3963732 2-pyridyl-
06/01/1976	US3960952 Anhydrous bases and salts of dyestuffs of the auramine series, process for their preparation and their use
05/1976
05/25/1976	US3959571 Chromogenic fluoran derivatives and the preparation and use thereof
05/11/1976	US3956300 Reactive triazinyl dyestuffs
05/04/1976	US3954864 Concentrated solution of a phosphate of a dyestuff of the Auramine series
05/04/1976	US3954803 Dilactone chromogenic compounds and preparation thereof

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