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Class Information
Number: 534/797
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Hetero ring containing > Two azo groups attached indirectly to each other by nonionic bonding
Description: Compounds in which two azo groups are attached indirectly to each other by nonionic bonding.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8679376 Dichroic dye for use in polarizing film, polarizing film, and display device including the polarizing film Mar. 25, 2014
8643809 Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt Feb. 4, 2014
8585784 Shading process Nov. 19, 2013
8562694 Fibre-reactive azo dyes, their preparation and their use Oct. 22, 2013
8541557 Azo compound and method of preparing the azo compound Sep. 24, 2013
8506697 Water-soluble azo compound or salt thereof, ink composition, and colored body Aug. 13, 2013
8477268 Azo compound and salts thereof, as well as dye-based polarization films and polarizing plates comprising the same Jul. 2, 2013
8425676 Water-soluble AZO compound or salt thereof, ink composition, and colored article Apr. 23, 2013
8309696 AZO pigment, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Nov. 13, 2012
7951234 Water-soluble azo compound or salt thereof, ink composition and colored product May. 31, 2011
7927411 Compound, ink, process and use Apr. 19, 2011
7923230 Neurodegenerative protein aggregation inhibition methods and compounds Apr. 12, 2011
7799122 Azo compounds Sep. 21, 2010
7771525 Water-soluble azo compound or salt thereof, ink composition and colored product Aug. 10, 2010
7740696 Water-soluble azo compound, ink composition, and colored article Jun. 22, 2010
7704309 Disazodyes for ink-jet printing Apr. 27, 2010
7485706 Neurodegenerative protein aggregation inhibition methods and compounds Feb. 3, 2009
7446184 Magenta dyes and their use in ink-jet printing Nov. 4, 2008
7163576 Disazo dyes and ink jet inks containing them Jan. 16, 2007
7150783 Disazo dyes and ink jet inks containing them Dec. 19, 2006
7078497 Disazo dyes, and copper complexes thereof, for dyeing paper Jul. 18, 2006
6867286 Yellow dyes and ink compositions Mar. 15, 2005
6844428 Use of disazo compounds Jan. 18, 2005
6784287 Organic dye molecules and nonlinear optical polymeric compounds containing chromophores Aug. 31, 2004
6758890 Aqueous ink and process for producing dye Jul. 6, 2004
6736888 Disazo dyes and inks containing them May. 18, 2004
6730780 Water-based ink May. 4, 2004
6695899 Disazo dyestuffs for ink jet printing Feb. 24, 2004
6482255 Disazodyes for ink jet printing Nov. 19, 2002
6451988 Naphthol derivatives Sep. 17, 2002
6395885 Use of lithium salts of anionic dyes to enhance their light-fastness May. 28, 2002
6365719 Bridged disazo compounds Apr. 2, 2002
6290763 AZO dyes and compositions comprising such dyes Sep. 18, 2001
6277185 Dye compounds, compositions containing them and their use Aug. 21, 2001
6140477 Near-infrared ray absorbing polyazo compound Oct. 31, 2000
6130320 Acid disazo dyes as well as sulphonamides as their intermediate product Oct. 10, 2000
6127531 Monoazo reactive dyes Oct. 3, 2000
6068687 Azo dyes and their preparation and use May. 30, 2000
6008331 Disazo compounds containing a piperazinylethysulfonyl group Dec. 28, 1999
6005085 Condensed azo compounds and process for preparing the same Dec. 21, 1999
5969114 Azo compound Oct. 19, 1999
5965715 Bisazo compounds and process for the preparation thereof Oct. 12, 1999
5925746 Azo dyes, processes for their preparation and the use thereof Jul. 20, 1999
5882391 Bisazo inkjet dyes Mar. 16, 1999
5882392 Bisazo inkjet dyes Mar. 16, 1999
5869627 Stabilised dye composition Feb. 9, 1999
5859216 Anionic acid dyes, processes for their preperation and their use Jan. 12, 1999
5844101 Light-fast disazo dyestuffs Dec. 1, 1998
5834602 Acid disazo dyes Nov. 10, 1998
5827332 Azo dyes and a method of making a hydrocarbon using an azo dye Oct. 27, 1998

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