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:
Jul. 04, 2000
Filed:
Dec. 22, 1997
Applicant:
Inventors:
James Christopher Matayabas, Jr, Kingsport, TN (US);
Sam Richard Turner, Kingsport, TN (US);
Bobby Jones Sublett, Kingsport, TN (US);
Gary Wayne Connell, Church Hill, TN (US);
John Walker Gilmer, Kingsport, TN (US);
Robert Boyd Barbee, Kingsport, TN (US);
Assignee:
Eastman Chemical Corporation, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524445 ; 428 3692 ; 428333 ; 428338 ; 428339 ; 524446 ; 524447 ;
Abstract
The present invention relates to polyester-platelet particle composite compositions comprising about 0.01 to about 25 weight percent platelet particles dispersed in at least one polyester wherein said composition has an I.V. of greater than about 0.55 dl/g, low shear melt viscosity greater than about 30,000 poise and a gas permeability which is at least 10% lower than that of unmodified polyester and processes for producing same.