Polymeric film exhibiting improved anti-blocking characteristics and process of making
US9637603B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jul 10, 2015 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Jul 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31801
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of forming a film resistant to blocking including the steps of providing a polymeric film having a first and second surface; applying the anti-blocking agent in a fluid or molten state to at least the first surface of the polymeric film; and gathering the treated film. The anti-blocking agent may be substantially acrylic free.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.