Patents for C09B 26 - Hydrazone dyes; Triazene dyes (487)
08/1985
08/13/1985US4535043 Electrophotographic photosensitive member
07/1985
07/16/1985US4529804 Naphthostyril Ni or Cu complexes, a process for their preparation, and high molecular weight organic material pigmented with these metal complexes
07/03/1985EP0147105A2 Photographic products employing novel nondiffusible hydrazone dye-releasing compounds
06/1985
06/11/1985US4522915 Color photographic silver halide light-sensitive materials containing novel magenta color-forming couplers
03/1985
03/19/1985CA1184179A1 Isoindoline compounds and the manufacture and use thereof
02/1985
02/19/1985US4500622 Electrophotographic light-sensitive printing materials
01/1985
01/29/1985US4496727 Process for the manufacture of metal complexes of isoindoline azines
01/29/1985US4496719 3H-Indol-2-yl cationic hydrazone dyestuffs
12/1984
12/11/1984US4487824 Electrophotographic photosensitive member containing a halogen substituted hydrazone
11/1984
11/27/1984US4485160 Inorganic particles, sensitizing dyes and electron-attracting compounds
10/1984
10/16/1984US4477550 Electrophotographic photoreceptor with hydrazone
10/02/1984US4474952 Organic pigments
10/02/1984US4474870 Silver halide color photographic light-sensitive material
08/1984
08/14/1984US4465857 Charge carrier-transporting electrophotography recording
07/1984
07/17/1984US4460768 Nickel complex pigments of azines
04/1984
04/04/1984EP0104529A2 Cationic dyes, their preparation and their use in dyeing synthetic and natural material
03/1984
03/13/1984US4436800 Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance
02/1984
02/21/1984US4433046 Silver halide photographic material
02/21/1984US4432897 Cationic thiadiazolyl triazene dyestuffs
02/01/1984EP0099552A2 Electrophotographic plate
01/1984
01/24/1984CA1161043A1 Blocked pyrazolone magenta dye-forming couplers
01/11/1984EP0098242A2 Naphthostyril metal complexes, their preparation process and organic high molecular weight materials pigmented with these complexes
01/03/1984US4424349 Quaternization
12/1983
12/27/1983US4423130 Heat and light stabilization; ozone resistance; charge transport
12/27/1983US4423129 Electrophotographic member having layer containing methylidenyl hydrazone compound
11/1983
11/15/1983US4415640 Electrophotographic element with fluorenylidene hydrazone compounds
11/01/1983US4413045 Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer
10/1983
10/18/1983US4410615 Layered electrophotographic photosensitive element having hydrazone charge transport layer
10/11/1983US4409320 Pyrazolone, magenta color images
10/11/1983CA1155122A1 1:1 nickel complexes of isoindolinazines, process for their preparation and use
10/04/1983US4407936 5-pyrazolone magenta coupler
09/1983
09/14/1983EP0088729A1 Use of metal complexes of hydrazones as pigments
09/07/1983EP0087706A2 Cationic hydrazone dyes, their manufacture and their use
09/06/1983US4403025 Electrophotographic photoreceptor
08/1983
08/23/1983US4400455 Layered organic electrophotographic photoconductor element comprising bisazo generating and hydrazone transport layers
07/1983
07/27/1983EP0084147A2 Phenyl hydrazones and their use
07/19/1983CA1150259A1 Cationic compounds
07/05/1983US4391889 Electrophotographic photosensitive member with benzimidazole ring containing hydrazones
06/1983
06/29/1983EP0082732A2 A blocked magenta dye forming coupler
05/1983
05/24/1983US4385174 For pigments
05/17/1983CA1146562A1 Nickel complex pigments of azines
05/10/1983US4383027 Silver halide color photographic light-sensitive material and method for developing thereof
04/1983
04/19/1983US4380627 Triazine, cationic, thiazole dyes; colorfastness; textiles; paper; leather; yellow
03/1983
03/23/1983EP0074925A1 Nickel complexes of azines
03/23/1983EP0074924A1 Pigments from nickel complexes of azines
03/22/1983CA1143378A1 Material for colour photography
03/15/1983US4376728 Process for the preparation of cationic alkylarylhydrazone dyestuffs and color bases thereof
03/15/1983CA1142932A1 Process for the production of metal complexes of isoindoline azines
03/15/1983CA1142931A1 Metal complexes of isoindolinazines, process for their preparation and use
03/15/1983CA1142930A1 Metal complexes of isoindolinazines, process for their preparation and use
03/15/1983CA1142929A1 Process for the preparation of metal complexes of isoindolinazines
02/1983
02/22/1983CA1141764A1 Isoindoline-azine nickel complex
02/08/1983US4372886 Process for the production of carbinol bases from indoline compounds
01/1983
01/04/1983US4367333 Metal complexes of isoindolinazines, process for their preparation and use
01/04/1983US4367282 Silver halide color photographic light-sensitive material
12/1982
12/28/1982US4366312 Metal complexes of isoindolinazines, process for their preparation and use
12/28/1982US4366237 Pyrazolone magenta coupler
12/21/1982CA1137974A1 Chemiluminescent naphthalene-1,2-dicarboxylic acid hydrazide-labeled conjugates
12/01/1982EP0065717A2 Process for the production of cationic hydrazone dyes
11/1982
11/16/1982US4359521 Dir couplers
10/1982
10/19/1982US4355159 Nickel complex pigments of azines
09/1982
09/28/1982US4351897 Color photographic light-sensitive material
09/14/1982US4349671 Process for the production of metal complexes of isoindoline azines
09/14/1982US4349670 Process for the preparation of cationic dyestuffs
08/1982
08/17/1982US4344879 Quaternary and basic azamethine compounds and their use as colorants
08/10/1982US4343936 Alkylation of azo base
08/04/1982EP0056947A2 Process for dyeing acid modified synthetic fibres
08/03/1982US4342867 Process for the preparation of cationic dyestuffs
06/1982
06/22/1982US4336325 Containg a magenta color-forming coupler which prevents yellow stain
06/16/1982EP0053751A1 Cationic triazene dyes and their use
06/01/1982US4332948 Charge transport compounds for use in photoconductors
04/1982
04/27/1982US4327212 Yellow pigment
03/1982
03/30/1982US4322536 Reacting 3-or 4-aminomethylpyridine with an oxo compound; isomeriz
01/1982
01/20/1982EP0044061A1 Process for the dyeing in a gel state of fibrous articles spun from acrylonitrile polymer solutions in organic solvents
01/12/1982US4310619 Light sensitive element comprising a 5-pyrazolone coupler
01/05/1982US4309181 Dyeing polyester fibers; lightfast
12/1981
12/30/1981EP0042556A2 Process for the manufacture of alkylhydrazone cationic dyes and their dyestuff bases
12/29/1981US4308343 Magenta 2-equivalent coupler
12/16/1981EP0041926A1 Process for the preparation of carbinol bases of indoline compounds
11/1981
11/17/1981US4301235 A pyrazolone magenta coupler
10/1981
10/27/1981US4297440 Containing a 3-anilino-5-pyrazolone magenta coupler
10/21/1981EP0038299A2 Cationic compounds
10/14/1981EP0037506A1 Process for the preparation of cationic dyestuffs
10/14/1981EP0037505A1 Process for the preparation of cationic dyestuffs
10/07/1981EP0037372A1 1:1-Nickel complexes of isoindoline azine, process for their preparation and their use
10/06/1981US4293691 Method for preparing magenta couplers having thioether groups
10/06/1981CA1110352A1 Azine liquid crystal compounds for use in light- control devices
09/1981
09/30/1981EP0036836A2 Metal complexes of isoindoline azines, processes for their preparation and their use
09/30/1981EP0036835A1 Process for the preparation of metal complexes of isoindoline azines
09/30/1981EP0036834A1 Process for the preparation of metal complexes of isoindoline azines
09/23/1981EP0036389A2 Metal complexes of isoindoline azines, process for their preparation and their use
09/23/1981EP0036388A2 Isoindoline derivatives, process for their preparation and their use
09/22/1981US4290770 Process for the coloration of hydrophobic fibers
09/15/1981CA1108914A1 Hydrazone containing charge transport element and photoconductive process of using same
09/02/1981EP0034951A2 Photographic emulsions and elements containing blocked 5-pyrazolone magenta dye-forming couplers
09/01/1981CA1108130A1 Colour photographic material containing thiadiazoline derivatives as yellow couplers
08/1981
08/25/1981CA1107723A1 Yellow 2:1 chrome complexed dye developers
08/11/1981US4283472 Having good storage stability and reactivity
07/1981
07/28/1981US4281112 Reacting azo bases with dimethyl sulfate
07/07/1981US4277559 Novel magenta-forming color couplers and their use in photography
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