Cling wrap
US9132956B2 · kind B2 · utility
8Cited by
29References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2013 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Mar 18, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thermoplastic food wrap film including a plurality of parallel ribs formed therein. To produce the film, a thermoplastic web may be directed between opposing first and second rollers having ridges. The formation of the ribs may increase the width of the web. The film may be formed into a roll and inserted into a box having a cutting strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.