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. 15, 2016
Filed:
Mar. 08, 2011
Geoffrey M. Rowe, Perkasie, PA (US);
Douglas Zuberer, Plymouth, MA (US);
Jeffrey A. Sargeant, South Attleboro, MA (US);
Frederick F. Fischer, Jr., Glenshaw, PA (US);
Steve M. Grendzinski, Pittsburgh, PA (US);
Richard W. Specht, Pittsburgh, PA (US);
Geoffrey M. Rowe, Perkasie, PA (US);
Douglas Zuberer, Plymouth, MA (US);
Jeffrey A. Sargeant, South Attleboro, MA (US);
Frederick F. Fischer, Jr., Glenshaw, PA (US);
Steve M. Grendzinski, Pittsburgh, PA (US);
Richard W. Specht, Pittsburgh, PA (US);
Chase Corporation, Pittsburgh, PA (US);
Abstract
The invention provides a polymer modified binder using an asphalt plant mix modifier comprising a mixture of thermoplastic polymers, comprising both elastomers and plastomers, blended with oils and dispersed in a powder medium to facilitate flow. The use of polymers in dry form has provides for a means of incorporating additives into asphalt that can be successfully performed within the normal range of temperatures used for the mixing and compaction of hot mix asphalt.