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
Technique for effectively providing program material in a cable television system
Prevention and treatment of osteoarthritis
High performance adaptive switched LED driver
Method of driving stereoscopic display apparatus and stereoscopic display apparatus
Pet burial pod
Rapid glycopeptide optimization via neoglycosylation
Information-provision control method, information reproduction system, information-provision apparatus, information reproduction apparatus and information-presentation control program
  Randomly Featured Patents
Lithium-manganese oxides, method for preparing the same, and lithium adsorbent using the same
Bogie-wheel shaft lubrication system
Ergonomic chair
Mine roof anchor system
Light-polarizing electrically-conducting film
Aglaonema plant named `Green Majesty`
Endodontic systems and methods for preparing upper portions of root canals with increasingly rigid files
F2 laser with visible red and IR control
Prepackaged fuel holder and fire pan for picnic cooking
Temporary rearrangeable marking system