C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/361, 8/52
C07D 493/04 (2006.01) C07C 45/46 (2006.01) C07C 49/825 (2006.01) C07C 49/84 (2006.01) D06L 3/12 (2006.01)
Patent
CA 1097364
?11343 Abstract of the Disclosure Image wherein R1 represents hydrogen, chlorine, lower alkyl or cyano, and R2 represents cyano, -COOH and the colourless salts and lower alkyl esters thereof, or p-phenyl, process for their production and the use thereof for whitening organic material of high molecular weight, especially polyester, polyvinyl chloride or poly- styrene.
311343
Kagi Bruno
Kormany Geza
Luthi Christian
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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