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US 5,710,232 AGranted
Poly(ester-amide) polyols
AssigneeImperial Chemical Industries PLC
InventorsSteve Carter, Christopher Phanopoulos
Life of this patent
Estimating the term…
Abstract
Compounds having the formula H--A--(BA).sub.n --OH wherein n is 1-20; A is ##STR1## B is ##STR2## R.sub.1 is alkyl having 1-6 carbon atoms; R.sub.2 is an alkylene having 1-6 carbon atoms, alkenylene having 2-6 carbon atoms, cyclo-alkylene or cycloalkenylene having 5-8 carbon atoms or phenylene having 6-10 carbon atoms; a is 1-6; and b is 2-6. These compounds are useful for making polyurethanes.
Claims9
Compounds having the formula
- H--A--(BA).sub.n --OH
- wherein
- n is 1-20;
- A is ##STR9## B is ##STR10## R.sub.1 is alkyl having 1-6 carbon atoms;
- R.sub.2 is an alkylene having 1-6 carbon atoms, alkenylene having 2-6 carbon atoms, cyclo-alkylene or cycloalkenylene having 5-8 carbon atoms or phenylene having 6-10 carbon atoms;
- a is 1-6;
- and
- b is 2-6.
5 more elements
Dependencies are inferred from the claim text.