C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
402/136, 260/634
C07C 43/13 (2006.01) C07C 43/315 (2006.01) C08G 4/00 (2006.01) C08G 18/48 (2006.01) C08G 18/56 (2006.01)
Patent
CA 1247653
TITLE Oligomeric Formal Diols of Copolymer Glycols ABSTRACT OF THE DISCLOSURE Oligomeric formal diols are prepared by coupling segments of copolyether glycols with formal- dehyde. The formal diols are useful in preparing polyurethanes.
383635
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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