Polyether polyols, their manufacture and use in polyurethanes production
US4703069A · kind A · utility
16Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1986 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | Jun 27, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/2606
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to polyether polyols having an average hydroxyl value in the range of 100 to 250 mgKOH/g, which are alkoxylated derivatives of a polyhydric alcohol being a mixture of compounds according to formula (I) or/and (II) ##STR1## wherein R.sup.1 is H, CH.sub.3 or OCH.sub.3, PA0 R.sup.2 is H, CH.sub.2 OH or CH.sub.2 C(CH.sub.2 OH).sub.3, and PA0 R.sup.3 and R.sup.4 are PA0 H, CH.sub.2 OH or CH.sub.2 OCH.sub.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.