	US 11,981,829 B2
	Methods of forming roofing materials with asphalt shingle waste
Ann Hamer, Waxahachie, TX (US); Qian Qin, Plano, TX (US); Cynthia Shaha, Ferris, TX (US); Kevin Carr, Dallas, TX (US); Ramil Mercado, Waxahachie, TX (US); Jarod Krajca, Ennis, TX (US); and Aziel Meza, Dallas, TX (US)
Assigned to BMIC LLC, Dallas, TX (US)
Filed by BMIC LLC, Dallas, TX (US)
Filed on Dec. 23, 2022, as Appl. No. 18/088,386.
Claims priority of provisional application 63/420,958, filed on Oct. 31, 2022.
Claims priority of provisional application 63/309,284, filed on Feb. 11, 2022.
Prior Publication US 2023/0257584 A1, Aug. 17, 2023
Int. Cl. C09D 195/00 (2006.01); C08L 95/00 (2006.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01)

CPC C09D 195/00 (2013.01) [C08L 95/00 (2013.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C08L 2205/025 (2013.01)]

28 Claims

1. A method, comprising:

obtaining an oxidized asphalt;

obtaining a briquette,

wherein the briquette comprises:

a pressurized asphalt shingle waste powder comprising an asphalt shingle waste powder from any form of discarded asphalt shingle, wherein the asphalt shingle waste powder comprises:

limestone, and

5 wt. % to 40 wt. % of a waste asphalt based on a total weight of the asphalt shingle waste powder;

obtaining a phase modifier;

mixing the oxidized asphalt, the briquette, and the phase modifier to form an asphalt mixture,

wherein the asphalt mixture comprises 0.1 wt. % to 10 wt. % of the phase modifier based on a total weight of the asphalt mixture; and

forming a roofing shingle comprising the asphalt mixture.