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. 22, 2008
Filed:
Mar. 31, 2005
Applicant:
Keith E. Stephens, Houston, TX (US);
Inventor:
Keith E. Stephens, Houston, TX (US);
Assignee:
Kraton Polymers U.S. LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 95/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a bituminous composition comprising a bituminous component, an elastomeric polymer component, and a specific cross-linking composition component comprising elemental sulfur, a sulfur-containing derivative, a sulfur activator, a fatty acid or fatty acid derivative and a polymeric carrier. Compositions according to the invention are particularly useful in preparing polymer-modified asphalt ('PMA') for road applications.