Polymer composition comprising esterified starch and esterified cellulose
US5656682A · kind A · utility
20Cited by
13References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1993 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Nov 19, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/908
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
According to the present invention there is provided a composition as obtained from a melt comprising a starch ester and a cellulose ester. The starch ester and cellulose ester may be of the kind obtained by reaction of a mixed acid anhydride with the polysaccharides. The invention further provides the composition when shaped into articles, and the melt from which the composition is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.