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:
May. 02, 1995
Filed:
Aug. 31, 1994
Applicant:
Inventors:
Ben Duh, Tallmadge, OH (US);
William C Tung, Tallmadge, OH (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C21B / ; C08F / ;
U.S. Cl.
CPC ...
528272 ; 5283082 ; 528481 ; 5285 / ; 764143 ; 764150 ;
Abstract
Polyester prepolymer granules with open-ended cavities provide greatly improved solid state polymerization rates by improving reaction by-product diffusion characteristics.
Duh, Ben. (1995). Solid state polymerization of polyesters with low diffusion resistance (U.S. Patent No. 5412063). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5412063
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile