Organic compounds (class 532, subclass 1) > Azoxy > Sulfonic acid group containing (-(0=)s(=o)-oh, wherein h of -oh may be replaced by a substituted or unsubstituted ammonium ion or metal) > Stilbene containing > Patents

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Class Information
Number: 534/571
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azoxy > Sulfonic acid group containing (-(0=)s(=o)-oh, wherein h of -oh may be replaced by a substituted or unsubstituted ammonium ion or metal) > Stilbene containing
Description:

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7282574	Dichroic azo dyestuff and the polarizing film making from the same	Oct. 16, 2007
5493010	SO.sub.2 -containing fiber-reactive azo dyestuffs	Feb. 20, 1996
5041539	Preparation of aqueous concentrates of yellow azo and azoxystilbene dyes utilizing alkanolamine salts	Aug. 20, 1991
4617380	Process for the preparation of concentrated stable liquid dye solutions of CI Direct Yellow 11 utilizing an extended surface silica filter aid during a desalting procedure	Oct. 14, 1986
4617381	Process for the preparation of concentrated stable liquid dye solutions of CI Direct Yellow 11 utilizing an alkanol/water solvent in a desalting procedure	Oct. 14, 1986
4297278	Pentakis-and heptakis-azoxy dyestuffs	Oct. 27, 1981
4126608	Process for the production of salts of stilbene-azo and stilbene-azoxy dyes	Nov. 21, 1978
3953419	Salts of stilbene-azo and stilbene-azoxy dyes and process for their preparation	Apr. 27, 1976