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US Patent 11590743 Active polystyrene film

Patent 11590743 was granted and assigned to Viscofan on February, 2023 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Patent Applicant
Viscofan
Viscofan
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Current Assignee
Viscofan
Viscofan
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
115907430
Date of Patent
February 28, 2023
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Patent Application Number
167593950
Date Filed
October 24, 2018
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Patent Primary Examiner
‌
Callie E Shosho
0

The present invention belongs to the field of active polymer materials. Specifically, it relates to an active polystyrene film that has antimicrobial or antioxidant activity and the method of production of said film. It also refers to wrappers, packages and slice separators (interleavers) that comprise said film.

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