Bromine-containing polyols
US4797429A · kind A · utility
5Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1987 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Mar 11, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
New Mannich bases of the formula ##STR1## wherein each of R.sup.1 and R.sup.2, independently, represents a hydroxyalkyl radical, and to oxyalkylation derivatives of the formula ##STR2## wherein each of a, b and c represents zero or a positive integer, their sum being in the range from 3 to 8, and wherein each A radical represents independently a propylene or ethylene radical. The compounds according to the invention are useful for the manufacture of rigid polyurethane foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.