Poly(ester-amide) polyols
US5710232A · kind A · utility
1Cited by
5References
9Claims
0Family size
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Key dates
| Filing date | Feb 15, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Feb 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/606
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compounds having the formula EQU H--A--(BA).sub.n --OH wherein PA1 n is 1-20; PA1 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; PA1 a is 1-6; and PA1 b is 2-6. These compounds are useful for making polyurethanes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.