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US 4,304,945 AGranted
High molecular weight products
AssigneeHenkel Corporation
InventorEdgar R. Rogier
Life of this patent
Estimating the term…
Abstract
The present invention describes the production of high molecular weight polyhydric alcohols and their derivatives. In particular the urethane reaction products of polyisocyanates and polyhydric alcohols are described.
Claims11
A mixture of a diol (a) and a alcohol (b) of the formula:
- (a) H(CH.sub.2).sub.h CH(CH.sub.2 OH)(CH.sub.2).sub.k CH.sub.2 OH
- and
- (b) CH.sub.3 (CH.sub.2).sub.m [C(CH.sub.2 OH).sub.2 ].sub.n (CH.sub.2).sub.p [C(CH.sub.2 OH).sub.2 ].sub.q (CH.sub.2).sub.r [C(CH.sub.2 OH).sub.2 ].sub.s (CH.sub.2).sub.t CH.sub.2 OH
- and mixtures thereof wherein n plus q plus s are integers the sum of which is from 1 to 3;
- k and t are 3 or greater;
- n, q, and s are 0 or 1;
- m through t are integers the sum of which is from 12 to 20;
- and, h plus k are non-zero integers the sum of which is from 12 through 20.
5 more elements
Dependencies are inferred from the claim text.