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. 28, 1998
Filed:
Oct. 15, 1996
Applicant:
Inventors:
Samuel D Hilbert, Jonesborough, TN (US);
Thomas G Davis, Kingsport, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528272 ; 524706 ; 524710 ; 524783 ; 524785 ; 428 357 ; 528220 ; 528270 ; 528286 ; 528289 ;
Abstract
This invention relates to a process of producing a moldable polyethylene terephthalate or modified polyethylene terephthalate having an inherent viscosity greater than 0.6 dL/g comprising reacting the diacid component with the diol component such that a combination of a titanium-based catalyst and a phosphorus-based catalyst is used during the polycondensation steps.
Hilbert, Samuel. (1998). Production of particular polyesters using a novel catalyst system (U.S. Patent No. 5744571). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5744571
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile