C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
400/110, 402/139
C07D 223/10 (2006.01) C07D 201/14 (2006.01) C08G 18/74 (2006.01) C08G 18/80 (2006.01) C08G 59/40 (2006.01)
Patent
CA 1199634
.epsilon.-Caprolactam-blocked diisocyanates and powder coatings utilizing the blocked diisocyanates ABSTRACT OF THE DISCLOSURE Powder coatings for the preparation of protective films for a wide variety of substrates, said coatings being based on hydroxy-containing polyesters or epoxy systems containing a .epsilon.-caprolactam-blocked 5(6)-isocyanato-1-(4'-isocyanatophenyl)-1,3,3-trimethylindane isomeric mixture; as well as the isomeric mixture of the diiso- cyanates and the .epsilon.-caprolactam-blocked form thereof.
423834
Seltzer Raymond
Weiss Jonas
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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