Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Badge or pin
Image processing apparatus and image processing method
LCD driving circuit in which shift register units are driven by a first clock signal of fixed duty/amplitude and a second clock signal of variable duty/amplitude
Liquid crystal display device
Fluorine-free fused ring heteroaromatic photoacid generators and resist compositions containing the same
High-frequency-link power-conversion system having direct double-frequency ripple current control and method of use
Wafer level packaging
  Randomly Featured Patents
Body heating and stretch support device
Method and system for measuring single cell mechanics using a modified scanning probe microscope
180 degree inverting machine
Variable filter circuit, especially for synthesizing and shaping tone signals
Method and nodes for handling multicast messages
Continuous sheeter
Polarization independent non-blocking all-optical switching device
Tool holding apparatus for presses
Chrysanthemum plant named Viking
Full-wave rectifier and method of operation for a recognition system