Patents for C09B 25 - Quinophthalones (233)
12/1984
12/04/1984US4486237 Inorganic and organic
09/1984
09/18/1984US4472581 Imidazomethylene dyes
07/1984
07/03/1984US4458073 Quinophthalonic dyes containing silane groups and process for preparing same
01/1984
01/24/1984US4427413 Disperse yellow 54 and a monoazo pyridine dye
01/18/1984EP0098522A2 Liquid crystal composition
09/1983
09/14/1983EP0088418A2 Quinophthalone compounds, process for their preparation and their use in the dyeing and printing of textile materials, paper, leather and for the preparation of inks
08/1983
08/02/1983US4396768 Process for the preparation of anionic quinophthalone dyestuffs
07/1983
07/13/1983EP0083553A1 Dye mixture and its use in transfer printing
04/1983
04/13/1983EP0076633A1 Guest-host type liquid crystal composition
03/1983
03/02/1983EP0073008A2 Cationic dyestuffs
10/1982
10/06/1982EP0061624A1 Cationic dyes and their use
04/1982
04/13/1982US4324455 Liquid crystal composition
01/1982
01/06/1982EP0043003A2 Process for the preparation of anionic dyestuffs of the quinophthalone series
11/1981
11/17/1981US4300901 Liquid form of dyestuffs
04/1981
04/07/1981US4260776 Pyrazolone
01/1981
01/07/1981EP0022066A1 A liquid quinophtalone dyestuff composition, a process for its preparation and a method of dyeing cellulosic material
09/1980
09/16/1980US4222788 Mixed pigment and process of preparing the same
06/1980
06/10/1980CA1079283A1 2-quinolinyl-1,3-indandione compounds
06/03/1980CA1078833A1 Quinoline derivatives
02/1980
02/05/1980CA1071212A1 Yellow quinoline derivatives and their production
04/1979
04/17/1979US4150025 Novel quinoline derivatives
07/1978
07/18/1978US4101551 Quinophthalone dyestuffs
05/1978
05/09/1978US4088651 Acylamino quinophthalone compounds
03/1978
03/07/1978US4077960 Yellow, polymers
01/1978
01/10/1978US4067870 Yellow organic pigments
03/1977
03/29/1977US4014647 Exhaust process for the dyeing of synthetic fibre materials
09/1976
09/21/1976US3981873 Polyesters, polystyrene
09/14/1976US3980427 Exhaust process for the dyeing of synthetic fiber materials
08/1976
08/03/1976US3972904 Water-soluble dyestuffs readily convertible into insoluble form and process for preparing them
08/03/1976US3972885 Oxyquinophthalone coloring material
07/1976
07/20/1976US3970632 Pigment containing polyolefin composition
06/1976
06/08/1976US3961881 Polyamide textiles, tanning agent, disperse dyestuff
01/1976
01/13/1976US3932419 Quinoline dyes
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