Thermally stable cellulose ester compositions and articles made using these compositions
US11976138B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Nov 9, 2017 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Jul 14, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present application discloses cellulose ester compositions that are plasticizer free that can be processed at higher temperatures with reduced degradation. The cellulose ester compositions disclosed are useful for the preparation of articles, for example eyeglass frames, automotive parts, and toys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.