derived from pyrazoles, pyrazolones

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CPC
C09B44/106

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Parent Industries

CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B44/00Azo dyes containing onium groups

Current Industry

C09B44/106derived from pyrazoles, pyrazolones

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Patents Grantslast 30 patents

Information Patent Grant
Disazo pyrazolyl dyed polyester fibers
- Patent number 4,083,688
- Issue date Apr 11, 1978
- Ciba-Geigy AG
- Visvanathan Ramanathan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyester fibers dyed with a disazo disperse dyestuff
- Patent number 3,954,398
- Issue date May 4, 1976
- Ciba-Geigy AG
- Visvanathan Ramanathan
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Particular Dissymmetrical Cationic Polyazo Compounds, Compositions...
- Publication number 20080196175
- Publication date Aug 21, 2008
- Andrew Greaves
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE