Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom
US8354525B2 · kind B2 · utility
13Cited by
31References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2009 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Nov 14, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133634
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.