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. 12, 2017
Filed:
Jun. 17, 2014
Applicants:
Stephen William Sankey, Redcar, GB;
David Turner, Redcar, GB;
Howard Colquhoun, Reading, GB;
Stephen Jones, Reading, GB;
Inventors:
Stephen William Sankey, Redcar, GB;
David Turner, Redcar, GB;
Howard Colquhoun, Reading, GB;
Stephen Jones, Reading, GB;
Assignee:
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/16 (2006.01); C08J 5/18 (2006.01); C08G 63/685 (2006.01); C08G 73/10 (2006.01); C08L 79/08 (2006.01); D01F 6/84 (2006.01); C08G 63/88 (2006.01); C08G 73/00 (2006.01);
U.S. Cl.
CPC ...
C08G 73/16 (2013.01); C08G 63/6856 (2013.01); C08G 63/88 (2013.01); C08G 73/1082 (2013.01); C08J 5/18 (2013.01); C08L 79/08 (2013.01); D01F 6/84 (2013.01); C08J 2367/02 (2013.01); C08J 2379/08 (2013.01);
Abstract
A semi-crystalline biaxially oriented film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (I) wherein n=2, 3 or 4, Z is C═O, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of at least about 4 mol % of the glycol fraction of the copolyester.