C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 249/14 (2006.01) C07D 521/00 (2006.01) C08K 5/29 (2006.01) C08K 5/3472 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2128890
2128890 9315136 PCTABS00024 Mixtures comprising semicarbazide/urethane reaction products of 4-amino-1,2,4-triazole, an aliphatic polyisocyanate and a reduced sugar or glycerol are particularly suited for protecting films, fibers, spandex and other polyurethane articles against discoloration due to exposure to fumes, light and heat.
Hennessy Michael James
Selling Gordon William
E. I. Du Pont de Nemours And Company
Sim & Mcburney
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