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. 07, 2025
Filed:
Dec. 15, 2022
Applicant:
Nan Ya Plastics Corporation, Taipei, TW;
Inventors:
Assignee:
NAN YA PLASTICS CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/183 (2006.01); C08J 5/18 (2006.01); C09D 167/02 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); C08J 5/18 (2013.01); C09D 167/02 (2013.01); C08J 2367/02 (2013.01);
Abstract
A manufacturing method of a polyester for a plastic wrap at least includes the following steps. An aromatic carboxylic acid, an aliphatic carboxylic acid, and an aliphatic alcohol are provided, wherein the aromatic carboxylic acid includes at least two of a phthalic acid, an isophthalic acid, and a terephthalic acid. The aromatic carboxylic acid, the aliphatic carboxylic acid and the aliphatic alcohol are subjected to at least an esterification reaction, a pre-polymerization reaction, and a polymerization reaction in sequence, so as to obtain a polybutylene adipate terephthalate.