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:
Jun. 12, 2012
Filed:
Feb. 11, 2010
Applicants:
Darrell C. Fee, Chesterfield, MO (US);
Rene Maldonado, Brentwood, MO (US);
Enrique E. Romagosa, Holladay, UT (US);
Inventors:
Darrell C. Fee, Chesterfield, MO (US);
Rene Maldonado, Brentwood, MO (US);
Enrique E. Romagosa, Holladay, UT (US);
Assignee:
ICL Performance Products, LP, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C 7/26 (2006.01); C08L 95/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods of preparing a cross-linked, polymer-modified asphalt is provided. The method involves adding a crosslinking agent to asphalt prior to the addition of a crosslinkable polymer and an acid. Asphalt prepared by the disclosed methods exhibit improved properties such as properties measured by the Multiple Stress Creep Recovery (MSCR) test.