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:
Apr. 25, 2023
Filed:
Apr. 26, 2019
Applicant:
Dupont Teijin Films U.s. Limited Partnership, Wilmington, DE (US);
Inventors:
Shane Ashby, Redcar, GB;
Simon Mortlock, Redcar, GB;
William A. MacDonald, Redcar, GB;
Allan Lovatt, Redcar, GB;
Assignee:
DuPont Teijin Films U.S. Limited Partnership, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); C08K 5/5357 (2006.01); C08L 67/02 (2006.01); C08J 7/043 (2020.01); C08J 7/052 (2020.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08J 7/043 (2020.01); C08J 7/052 (2020.01); C08K 5/5357 (2013.01); C08L 67/02 (2013.01); C08J 2333/04 (2013.01); C08J 2367/02 (2013.01); C08L 2201/02 (2013.01);
Abstract
A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt % by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.