Polymer modified asphalt roofing material

US11155998B2 · kind B2 · utility

Assignee

• Owens Corning Intellectual Capital, LLC · US

Inventors

• Carmen Anthony LaTorre · Westerville, US
• Jacob Paul Honsvick · Perrysburg, US
• Christopher Patrick Kasprzak · Maumee, US
• Daniel James Buckwalter · Howard, US
• Edward R. Harrington · Naperville, US
• Jonathan Ross Davis · Granville, US
• Laurand Henry Lewandowski · Newark, US
• David Michael Ploense · Downers Grove, US
• William Edwin Smith · Pataskala, US
• Scott W. Schweiger · Newark, US

Key dates

• Filing date: Dec 17, 2018
• Grant date: Oct 26, 2021
• Expiry date: Dec 17, 2038

Classification

• Technology area (CPC —): General

Abstract

A shingle coating asphalt composition is provided that is produced from a paving grade asphalt. The asphalt composition comprises a paving-grade asphalt that has been modified with one or more polymer additives; and a secondary additive comprising one or more of a viscosity reducing agent, a wax, a salt of a fatty acid ester, and an amide of a fatty acid. The shingle coating asphalt coating composition is used to make a shingle. The shingle includes a substrate, the asphalt, and roofing granules.