N,n'-bis(1-1-dioxohydrothienyl)diaminoalkanes and...

C - Chemistry – Metallurgy – 07 – D

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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

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