Multi-layer thermoplastic films and bags with enhanced odor control and methods of making the same
US9925745B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2016 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Jul 7, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2555/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A multi-layer thermoplastic film include 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.