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:
Oct. 26, 2010
Filed:
Nov. 30, 2009
William L. Hergenrother, Akron, OH (US);
Peter W. Boerner, Massillon, OH (US);
Daniel F. Graves, Canal Fulton, OH (US);
Christine Rademacher, Akron, OH (US);
Timothy P. Reece, Indianapolis, IN (US);
Herbert L. Wissel, Indianapolis, IN (US);
William L. Hergenrother, Akron, OH (US);
Peter W. Boerner, Massillon, OH (US);
Daniel F. Graves, Canal Fulton, OH (US);
Christine Rademacher, Akron, OH (US);
Timothy P. Reece, Indianapolis, IN (US);
Herbert L. Wissel, Indianapolis, IN (US);
Abstract
A method for forming a modified asphalt binder composition, the method comprising preparing a phosphorus pentasulfide-binder concentrate by introducing and mixing phosphorus pentasulfide and asphalt binder, where the phosphorus pentasulfide-binder concentrate includes greater than 0.5 parts by weight phosphorus pentasulfide per 100 parts by weight asphalt, preparing a polymer-binder concentrate by introducing and mixing polymer and asphalt binder, where the polymer-binder concentrate includes greater than 5 parts by weight polymer per 100 parts by weight asphalt, and introducing and mixing the phosphorus pentasulfide-binder concentrate with the polymer-binder concentrate to form a modified asphalt binder composition, where the phosphorus pentasulfide includes a blend of PSand PS.