Cellulose film with anti-blocking properties

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Reexamination Certificate

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C428S341000, C428S500000, C428S515000, C428S534000, C427S180000, C427S372200, C427S384000, C427S541000, C427S544000

Reexamination Certificate

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06858293

ABSTRACT:
Disclosed is an integral film comprising a transparent polymeric substrate having a surface bearing polymeric beads, wherein the swell ratio, the size, and the laydown of the beads are selected so as to provide both a one sided static friction coefficient of not more than 0.68 and an internal haze value of not more than 0.1. The film provides an improved combination of slip and optical properties.

REFERENCES:
patent: 5238736 (1993-08-01), Tseng et al.
patent: 5393589 (1995-02-01), Zeller et al.
patent: 5480715 (1996-01-01), Mills et al.
patent: 5714245 (1998-02-01), Atherton et al.

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