Patents for C09B 1 - Dyes with an anthracene nucleus not condensed with any other ring (1,801)
12/1977
12/27/1977US4065478 Process for the manufacture of α,α'-aminonitroanthraquinones
12/13/1977US4062875 Preparation and oxidation of 4-acylamino-anthrones
12/06/1977US4061464 Basic nitro dye, nonionic surfactant
11/1977
11/01/1977US4056544 Anthraquinone compounds
10/1977
10/11/1977US4053488 Separation of 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinone
10/11/1977US4053312 O-sulfonamidonaphthol diffusible dye image providing compounds
09/1977
09/27/1977US4051155 Anthraquinone dyes
09/27/1977US4051138 Water-soluble amine-linked polymeric colorants
09/13/1977US4048199 Production of aminonitrodihydroxyanthraquinones by partial reduction dinitrodihydroxyanthraquinones
09/13/1977US4048151 Azo dyes, nitrogen heterocycles, polymers
09/06/1977US4046785 Process for preparing aminoanthraquinones
08/1977
08/30/1977US4045457 From 1,6 or 1,7-dichloroanthraquinone
08/30/1977US4045455 Hydrocarbon solvent
08/23/1977US4044030 Process for the manufacture of N-alkylamino- and N,N-dialkylaminoanthraquinones
08/23/1977US4044029 Amino-anthraquinone reactive disperse dyes
08/16/1977US4042635 Spiro compounds
08/16/1977US4042605 Cyanation of a 1,4-diaminoanthraquinone
08/16/1977US4042604 Isolation of dinitroanthraquinone having a high content of α,α-d
08/09/1977US4041053 Process for the preparation of anthraquinone compounds
08/09/1977US4041052 Anthraquinone dyestuffs of the disperse series
08/09/1977US4041051 Anthraquinone disperse dyestuffs
07/1977
07/26/1977US4038293 Silicone-compatible tris(trimethylsilyloxy)silylalkylamino-substituted quinoncid dyestuffs
07/19/1977US4036862 1-Amino-2-(bromophenoxy-alkoxy)-4-hydroxy anthraquinone dyestuffs
07/12/1977US4035401 Intermediates for photographic dyes
07/12/1977US4035398 Anthraquinone dyestuffs
07/12/1977US4035397 Polyfluoro acid anthraquinone dyestuffs their preparation and their use
06/1977
06/14/1977US4029680 Halogenation, nitrating
06/14/1977US4029503 Diffusible-dye releasing type dyes which couple to form colorless products
06/14/1977US4029468 Transfer dyes
05/1977
05/03/1977US4021456 Process for the manufacture of aminoanthraquinones
04/1977
04/19/1977US4018558 Mixture of disazo and anthraquinone dyes
04/12/1977US4017524 Anthraquinone dyestuffs
04/05/1977US4016182 Process for the production of aminoanthraquinone compounds
04/05/1977US4016181 Dyestuff process
03/1977
03/29/1977US4014906 Process for the manufacture of anthraquinone compounds
03/29/1977US4014647 Exhaust process for the dyeing of synthetic fibre materials
03/22/1977US4013687 Anthraquinone dispersing agents
03/22/1977US4013408 Exhaust process for the dyeing of synthetic organic textile materials in navy blue to black shades
03/15/1977US4012426 Purification of 1-nitroanthraquinone
03/08/1977US4011248 Purification of 1-nitroanthroquinone, treat dinitroanthraquinone impurity with ammonia
02/1977
02/22/1977US4009189 Basic anthraquinone dyes, their production and use
02/15/1977US4008222 Polyesters
02/01/1977US4006170 Process for the preparation of 1-aminoanthraquinone
01/1977
01/18/1977US4003924 Reacting 1-amino-anthraquinone imine with water and ammonia
01/11/1977US4002654 Acidifying group ia or iia salts of anthraquinonedisulfonic acid with mineral acid
12/1976
12/28/1976US4000167 Dyeing polyester fibers
12/21/1976US3998780 Bis-(polyhalogenoanilino)-anthraquinones
12/14/1976US3997573 Aqueous alkali
12/14/1976US3997519 Method of producing quaternary pyridinium compounds
12/07/1976US3996252 Precipitation
12/07/1976US3996251 Preparation of pure 1,5-dinitroanthraquinone
11/1976
11/23/1976US3993438 Alkaline bath
11/16/1976US3992421 Anthraquinone dyestuffs for blue dyeings of polyesters
11/02/1976US3989450 Nitroanthraquinones
11/02/1976US3989449 Dyestuff compositions
10/1976
10/05/1976US3984425 Hydrogenation and oxidation
09/1976
09/28/1976US3983145 Use of alpha-di(lower alkoxy) anthraquinones in the synthesis of Alizarin Saphirols
09/14/1976US3980678 Anthraquinone disperse dyes
09/14/1976US3980677 Anthraquinone dyestuffs containing sulphonic acid groups
09/14/1976US3980427 Exhaust process for the dyeing of synthetic fiber materials
08/1976
08/31/1976US3978096 Production of 1-chloroanthraquinone
08/17/1976US3975411 Process for preparing 1-aminoanthraquinone
08/17/1976US3975410 Process for the manufacture of halogen-containing anthraquinoidal compounds, their use and new halogen-containing anthraquinoidal compounds
08/03/1976US3972904 Water-soluble dyestuffs readily convertible into insoluble form and process for preparing them
08/03/1976US3972881 Vat, cellulose
08/03/1976US3972676 Exhaust process for the dyeing of synthetic organic textile material
07/1976
07/27/1976US3971812 Anthraquinone dyestuffs
07/13/1976US3969374 Process for preparing amino-anthraquinones
07/06/1976US3968131 Polyoxyethylene glycol
06/1976
06/29/1976US3966775 Oxidation of a 5-nitro-1,4,4a,9a-tetrahydroquinone
06/29/1976US3966774 Process for the production of amino-anthraquinone
06/22/1976US3964862 Disperse dye
06/15/1976US3963763 Anthraquinone dyestuffs
06/08/1976US3961881 Polyamide textiles, tanning agent, disperse dyestuff
06/01/1976US3960751 Electro-optical display element
06/01/1976US3960750 Electro-optical display
05/1976
05/25/1976US3959317 From anthraquinone and nitric acid, distillation
05/25/1976US3959315 Sulfonamido
05/25/1976US3958930 Deep-dyed nylon fiber and dyed styling yarn
05/25/1976US3958928 Reduced-staining colorant system for liquid laundry detergents
05/18/1976US3957860 Process for the manufacture of nuclear-sulphonated compounds
05/18/1976US3957822 Anthraquinone dyestuffs
05/11/1976US3956345 Polyester
05/11/1976US3956324 Anthraquinone dyestuffs
04/1976
04/27/1976US3953162 Dyeing process
04/20/1976US3952029 2-(Fluorosulfonyl)ethylamino anthraquinones
04/13/1976US3950403 Spiro compounds
03/1976
03/30/1976US3947477 Process for the preparation of aminohydroxyanthraquinones
03/23/1976US3945991 Heterocyclic azo compounds containing a quaternated hydrazide group
03/23/1976US3945979 Polycarbonate resin compositions with improved transparency
03/02/1976US3941742 Mass coloration of polyamides
02/1976
02/17/1976US3939113 Process for the bulk dyeing of polyesters
02/03/1976US3936477 Blue anthraquinoid disperse dyes, their production and use
01/1976
01/27/1976US3935248 Anthraquinone dyes
01/27/1976US3935208 Natural or regenerated cellulose
01/27/1976US3934972 For cellulose or blends with polyester, carboxylated dye
01/20/1976US3933866 Process for the manufacture of amino-anthraquinones
01/20/1976US3933664 Organic photoconductive toner materials
01/20/1976US3933502 1,4-Bis(2-isopropyl-6-methylanilino)anthraquinone and a polyethylene terephthalate film containing same as an x-ray photographic film support
01/13/1976US3932473 Process for the manufacture of 1-nitro-anthraquinone
1 ... 8 9 10 11 12 13 14 15 16 17 18 19