Polyol composition, process for its preparation and its applications
US5773604A · kind A · utility
16Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a polyol composition exhibiting a very high heat stability and a very high chemical stability, characterized in that it exhibits an optical density lower than or equal to 0.100 in an S test. The invention also relates to a process for the preparation of such a composition, this process consisting in subjecting a polyol syrup to a stabilization stage such as a fermentation, an oxidation or a caramelization, and then to a purification stage. The invention also relates to the application of this composition to the manufacture of products using alkalis or undergoing a heat treatment at high temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.