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:
Jan. 25, 2022
Filed:
Jan. 21, 2020
Applicant:
Tredegar Surface Protection, Llc, Richmond, VA (US);
Inventors:
Carl Douglas Ray, Chesterfield, VA (US);
Bankim Bhupendra Desai, Chesterfield, VA (US);
Assignee:
TREDEGAR SURFACE PROTECTION, LLC, N. Chesterfiel, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/26 (2006.01); B32B 3/30 (2006.01); B32B 5/22 (2006.01); B32B 5/32 (2006.01); B32B 27/32 (2006.01); B65D 57/00 (2006.01); B65D 85/48 (2006.01); B29C 44/20 (2006.01);
U.S. Cl.
CPC ...
B65D 57/00 (2013.01); B29C 44/20 (2013.01);
Abstract
A film for use as an interleaf between substrates includes a first side having a first micro-embossed surface and a first formed pattern, a second side having a second micro-embossed surface and a second formed pattern, a basis weight of between about 35 gsm and about 80 gsm, a Low Load Thickness of between about 150 micrometers and 400 micrometers according to the Low Load Thickness Test, and a flexural stiffness of between about 150 grams and about 500 grams according to the Circular Bend Stiffness Test.