Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 534/831
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Exactly two azo groups attached indirectly to each other by nonionic bonding > Plural benzene rings bonded directly to each azo group
Description: Compounds in which plural benzene rings are bonded directly to each azo group.

Sub-classes under this class:

Class Number Class Name Patents
534/832 At least one of the benzene rings is part of a bicyclo ring system 71

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
3963418 Yellow disazo acid dye solution Jun. 15, 1976
3960831 Disazo dyestuffs containing amino azo benzene sulfonic acid and phenolic or naphtholic couplers Jun. 1, 1976
3958930 Deep-dyed nylon fiber and dyed styling yarn May. 25, 1976
3944540 Precipitation of organic dyes and dye intermediates in the presence of finely divided polytetrafluoroethylene Mar. 16, 1976
3932378 Sulfonated disazo dyestuffs containing an ether group Jan. 13, 1976
3932376 Sulfo phenyl-azo-sulro phenyl-azo-alkoxy-diphenyl compounds Jan. 13, 1976
3930793 Process for the dyeing of synthetic fiber materials from organic solvents Jan. 6, 1976

1 2 3

  Recently Added Patents
Tungsten barrier and seed for copper filled TSV
Web-based royalty system and user interface
ActRIIB proteins and variants and uses therefore relating to utrophin induction for muscular dystrophy therapy
Method of measuring a displacement amount for an automobile suspension assembly
Process for preparing red cocoa ingredients, red chocolate, and food products
Light emitting diode package and method of fabricating the same
Organic light emitting display device and method of manufacturing the same
  Randomly Featured Patents
Apparatus for mounting a brake drum to a bicycle frame
Charged beam exposure method
Difluorinated (5,6,11,12-tetraselenotetracene)2 halides, the preparation thereof and the use thereof
7-{3-Hydroxy-2-[4-hydroxy-4-(lower alkyl)-trans-1-octen-1-yl]-5-oxocyclopent-1-yl}heptanoic acids and esters
Battery terminal connector
Grounding scheme for a high speed backplane connector system
Method of positioning an electrooptic probe of an apparatus for the measurement of voltage
Process for the preparation of an alkoxylated alcohol composition
Enabling provider network inter-working with mobile access
Convertible sports shoe