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:
Jan. 14, 2003
Filed:
Nov. 14, 1997
Henry George Heck, Lake Jackson, TX (US);
Deepak Rasiklal Parikh, Lake Jackson, TX (US);
Laura Bauerle Weaver, Lake Jackson, TX (US);
James Robert Bethea, Baton Rouge, LA (US);
Larry Alan Meiske, Baton Rouge, LA (US);
Michael Francis Martin, Lake Jackson, TX (US);
DuPont Dow Elastomers L.L.C., Wilmington, DE (US);
Abstract
Rheology-modified thermoplastic elastomer compositions are prepared by peroxide modification of a melt blend of an ethylene/&agr;-olefin polymer or a diene-modified ethylene/&agr;-olefin polymer and a high melting polymer such as polypropylene or a propylene/&agr;-olefin copolymer. The resulting compositions have an elastomeric phase, a non-elastomeric phase and certain physical properties that exceed those of a like composition that is not rheology-modified. The compositions can be used to make a variety of articles of manufacture via conventional procedures.