The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 2021
Filed:
Oct. 12, 2018
Tredegar Surface Protection, Llc, N. Chesterfield, VA (US);
Bankim Bhupendra Desai, Chesterfield, VA (US);
Carl Douglas Ray, Chesterfield, VA (US);
Ricky Santoso, Glen Allen, VA (US);
Shailesh Chunilal Patel, Chesterfield, VA (US);
Kevin A. Brady, Cary, IL (US);
TREDEGAR SURFACE PROTECTION, LLC, N. Chesterfield, VA (US);
Abstract
Films may be used as interleaves between hard and non-compressible surfaces such as surfaces of sheets or plates made of glass, metal, such as steel, polycarbonate, and/or poly(methyl methacrylate). The films may be embossed and/or may include a foamed core layer having a plurality of micro-voids. In particular, the films may include a polyolefin, a basis weight of between about 30 gsm and about 70 gsm, an embossed thickness of between about 150 microns and 800 microns, and a stiffness of between about 150 grams and about 750 grams according to the Circular Bend Stiffness Test.