Polyethercyclicpolyols from epihalohydrins, polyhydric alcohols, and metal hydroxides
US5371243A · kind A · utility
0Cited by
19References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1993 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Jul 13, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D319/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Method for preparing polyethercyclicpolyol by heating a reaction mixture of an alkali or alkaline earth metal hydroxide with a polyol, adding epihalohydrin to initiate an addition reaction, and heating the mixture until the reaction is complete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.