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. 11, 1995
Filed:
Jul. 14, 1993
Applicant:
Inventors:
Lawrence C Muschiatti, Wilmington, DE (US);
Linda R Bateman, Breckenridge, CO (US);
William L Strum, Midlothian, VA (US);
Edward J Deyrup, Northeast, MD (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525444 ; 524400 ; 524605 ;
Abstract
The present invention relates generally to oriented, crystallized polyester compositions which can be thermoformed and heat set with sheet cycle times. More specifically, the compositions of the present invention comprise specialized alkali metal-containing nucleating agents which provide high crystallization rates.