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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.:

US 11447601 B1

PDFFull Text
Date of Patent:
Sep. 20, 2022

Filed:

Aug. 17, 2017

Polyester compositions which comprise tetramethylcyclobutanediol and ethylene glycol for calendering

Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Marc Alan Strand, Kingsport, TN (US);

Robert Erik Young, Kingsport, TN (US);

James Thomas Goetz, Kingsport, TN (US);

Douglas Weldon Carico, Jr., Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorneys:

Tammye L. Taylor Polk

C. Stuart Everett

Robert C. Morriss

Primary Examiner:

Frances Tischler

Assistant Examiner:

Gennadiy Mesh

Int. Cl.
CPC ...
C08G 63/183 (2006.01); C08J 5/18 (2006.01); C08G 63/199 (2006.01); B29C 55/00 (2006.01); B29C 55/18 (2006.01); B32B 27/18 (2006.01); B32B 27/08 (2006.01); B32B 27/12 (2006.01); B32B 27/36 (2006.01); B32B 27/20 (2006.01); B32B 27/22 (2006.01); B29C 55/08 (2006.01); B29C 55/12 (2006.01); C08G 63/85 (2006.01); B29K 67/00 (2006.01); C08G 63/83 (2006.01); C08K 5/00 (2006.01); C08K 5/521 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); B29C 55/005 (2013.01); B29C 55/08 (2013.01); B29C 55/12 (2013.01); B29C 55/18 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/18 (2013.01); B32B 27/205 (2013.01); B32B 27/22 (2013.01); B32B 27/36 (2013.01); C08G 63/199 (2013.01); C08G 63/85 (2013.01); C08J 5/18 (2013.01); B29K 2067/00 (2013.01); B32B 2262/02 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2264/10 (2013.01); B32B 2307/3065 (2013.01); B32B 2307/40 (2013.01); B32B 2307/41 (2013.01); B32B 2307/71 (2013.01); B32B 2307/732 (2013.01); B32B 2419/04 (2013.01); B32B 2425/00 (2013.01); B32B 2439/70 (2013.01); B32B 2439/80 (2013.01); B32B 2457/12 (2013.01); B32B 2519/00 (2013.01); C08G 63/83 (2013.01); C08J 2367/02 (2013.01); C08K 5/005 (2013.01); C08K 5/521 (2013.01);
Abstract

Calendered films or sheets obtained from a composition comprising at least one polyester which has the L* color value of greater than 90 and comprises terephthalic acid residues, optional aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and ethylene glycol residues; a catalyst/stabilizer component which comprises titanium atoms, manganese atoms, phosphorous atoms; fillers; release additives and does not comprises tin atoms. Calendered films or sheets can be used in a wide range of applications including packaging, pool liners, graphic arts, transaction cards, security cards and others.

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