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. 02, 2020
Filed:
Aug. 26, 2016
Heritage Environmental Services, Llc, Indianapolis, IN (US);
Michael R. Franzen, Lombard, IL (US);
David Charles Trumbore, Chicago, IL (US);
Laurand H. Lewandowski, Newark, OH (US);
Herb Wissel, Indianapolis, IN (US);
James E. Burkett, Perrysburg, OH (US);
Barry Garriett Hornbacher, Toledo, OH (US);
Christian Peregrine, Indianapolis, IN (US);
Anthony Kriech, Indianapolis, IN (US);
Heritage Environmental Services, LLC, Indianapolis, IN (US);
Abstract
A method for manufacturing a processed asphalt suspension is provided. The method includes dry grinding shingle waste material to a particle size of less than 1 cm, forming ground recycled shingle material, introducing virgin asphalt into a heated slurry tank and mixing the ground recycled shingle material with the virgin asphalt in the heated slurry tank, forming a mixed asphalt slurry, introducing the mixed asphalt slurry into a wet grinding machine, and recovering a processed asphalt suspension comprising particles having a size no greater than about 200 microns. Roofing and paving products manufactured from the processed asphalt suspension are also provided.