C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
402/137, 403/24,
C07D 333/48 (2006.01) C07D 333/46 (2006.01) C07D 333/66 (2006.01) C08G 18/10 (2006.01) C08G 18/38 (2006.01) C08G 18/87 (2006.01)
Patent
CA 1038395
Abstract of the Disclosure Certain N,N'-bis(1,1-dioxohydrothienyl)diamino- alkanes, e.g., N,N'-bis(1,1-dioxotetrahydro-3-thienyl)- 1,2-dianinopropane, useful as chain extenders for poly- urethanes, especially high resiliency, flexlble poly- urethane foams.
211227
Bakker Lynn A.
Mao Chung-Ling
LandOfFree
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