Thermoplastic films and bags with enhanced odor control and methods of making the same
US10549888B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2017 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Jul 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65F1/002
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A multi-layer thermoplastic film includes a first film of thermoplastic material, a second film of thermoplastic material bonded to the first film, and an odor control component disposed between the first film and the second film. A method of manufacturing a multi-layer thermoplastic film coextruding a plurality of layers to form a first film, coextruding a plurality of layers to form a second film, disposing at least one odor control component on at least one of the first film and the second film, and bonding the first and second films together such that the at least one substance is disposed between the first film and the second film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.