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:
Dec. 28, 2010
Filed:
Dec. 18, 2007
David C. Trumbore, Chicago, IL (US);
David R. Jones, Iv, Tampa, FL (US);
Edward R. Harrington, Toledo, OH (US);
Donn R. Vermilion, Newark, OH (US);
Jason D. Guerra, Tinley Park, IL (US);
David C. Trumbore, Chicago, IL (US);
David R. Jones, IV, Tampa, FL (US);
Edward R. Harrington, Toledo, OH (US);
Donn R. Vermilion, Newark, OH (US);
Jason D. Guerra, Tinley Park, IL (US);
Owens Corning Intellectual Capital, LLC, Toledo, OH (US);
Abstract
A process of producing a roofing shingle coating asphalt from an asphalt feedstock includes the following steps. Wax and blowing catalyst are added to the asphalt feedstock. Then the asphalt feedstock is blown to produce the coating asphalt. The coating asphalt has a softening point within a range of from about 190° F. (88° C.) to about 235° F. (113° C.) and has a penetration of at least about 15 dmm at 77° F. (25° C.).