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:
May. 17, 2022
Filed:
Mar. 05, 2019
Applicant:
Dart Container Corporation, Mason, MI (US);
Inventor:
Chengtao Li, Novi, MI (US);
Assignee:
Dart Container Corporation, Mason, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 27/20 (2006.01); C08L 23/06 (2006.01); C08L 23/16 (2006.01); C08L 23/12 (2006.01); C08K 3/34 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/32 (2013.01); C08L 23/06 (2013.01); C08L 23/12 (2013.01); C08L 23/16 (2013.01); B32B 2307/546 (2013.01); B32B 2307/72 (2013.01); B32B 2435/02 (2013.01); C08K 3/346 (2013.01);
Abstract
Aspects of the present disclosure relate to compositions and processes suitable for use in forming a lid for a hot food or beverage container, the lid being made from a multi-layer sheet that includes a substrate layer and a cap layer made from polyolefin-based compositions. The lid has a density less than water at 23° C., allowing the lid to be recycled in a recycling stream.