Degradable cellulose ester
US11723401B2 · kind B2 · utility
0Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2021 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Nov 6, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Disclosed herein is a degradable cellulose ester. The cellulose ester may be formed into tow for use in cigarette filters or into articles, such as molded articles. A basic material, an enzymatic material, or combinations thereof is included in the cellulose ester in order to degrade the cellulose ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.