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:
Nov. 26, 2002
Filed:
Dec. 28, 2000
Applicant:
Inventors:
Mark H. Wollum, Wilmington, NC (US);
Daniel F. Graves, Canal Fulton, OH (US);
Assignee:
Firestone Polymers, LLC, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/500 ;
U.S. Cl.
CPC ...
C08L 9/500 ;
Abstract
A rubber-modified asphalt composition is provided. The rubber includes at least a polydiene and may further include vinyl-substituted aromatic hydrocarbon monomer contributed units. The rubber is cured by a bismaleimide. The present composition demonstrates improvements in the softening point of the asphalt composition.