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:
Oct. 03, 2023
Filed:
Apr. 01, 2019
Applicant:
Novomer, Inc., Rochester, NY (US);
Inventor:
Utpal Mahendra Vakil, Evansville, IN (US);
Assignee:
Novomer, Inc., Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/08 (2006.01); B29C 48/285 (2019.01); B29C 48/00 (2019.01); C08J 5/18 (2006.01); C08J 11/12 (2006.01); B29K 67/00 (2006.01);
U.S. Cl.
CPC ...
C08G 63/08 (2013.01); B29C 48/0018 (2019.02); B29C 48/288 (2019.02); C08J 5/18 (2013.01); C08J 11/12 (2013.01); B29K 2067/04 (2013.01); B29K 2995/004 (2013.01); B29K 2995/006 (2013.01); B29K 2995/0077 (2013.01); B29K 2995/0088 (2013.01); C08J 2367/04 (2013.01);
Abstract
Provided is a method of producing a film by cryogenically grinding polypropiolactone to form a powder, and extruding the powder to form the film. Provided herein are also polypropiolactone films having certain biocontent and compostability, as well as certain mechanical and physical properties. Such films may also be suitable for use as packaging materials.