Cyclic ester ring-opened oligomers and methods of preparation
US5981743A · kind A · utility
28Cited by
1References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Mar 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H13/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An oligomer composed of a carbohydrate head group and an oligomer chain is disclosed. Methods for increasing the oligomerization rates of lactones and cyclic carbonates are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.