Solvent-based compostable cold seal release lacquer
US11932776B2 · kind B2 · utility
0Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2021 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Jun 30, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2491/005
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides solvent-based compostable cold seal release lacquers for use in packaging structures. The lacquers of the invention comprise resins, such as polyamide resins, comprising greater than 90% biobased carbon, generally prepared from renewable sources, e.g., plants such as rice. The present invention also provides the use of the inventive compostable lacquers as cold seal release lacquers in cold seal packaging, along with eco-friendly packaging film, etc., and has the potential to make the cold seal packaging fully compostable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.