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:
Jun. 18, 2024
Filed:
Feb. 07, 2019
Dupont Industrial Biosciences Usa, Llc, Wilmington, DE (US);
Ross S. Johnson, Wilmington, DE (US);
Vindhya Mishra, Wilmington, DE (US);
NUTRITION & BIOSCIENCES USA 4, INC., Rochester, NY (US);
Abstract
A polyester composition comprising at least one polyester selected from the group consisting of poly(trimethylene terephthalate), polyethylene terephthalate, polybutylene terephthalate, and copolymers thereof; and at least one poly alpha-1,3-glucan ester having a degree of substitution of from about 0.3 to 3 moles of at least one acyl group per repeat unit of poly alpha-1,3-glucan. Articles prepared from these polyester compositions exhibit at least one improved physical property such as heat deflection temperature, tensile strength, Young's modulus, or impact strength. Such polyester compositions may also be prepared from renewable resources.