Biodegradable coatings based on aqueous PHA dispersions
US11866606B2 · kind B2 · utility
0Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2019 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Oct 11, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D7/65
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A biodegradable aqueous dispersion is disclosed, which is made up of from about 35 to about 75 weight percent water and from about 25 to about 65 weight percent of polyhydroxyalkanoates. Also disclosed is a biodegradable food service item, which includes a biodegradable substrate having at least one food contact surface. A coating is applied over the at least one food contact surface, which is formed from the biodegradable aqueous dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.