Patent ID: 11932999
Assignee: BMIC LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC E  B  C | IPC B  C  E

Claim 29:
30. A method comprising:
obtaining asphalt shingle waste (ASW),
wherein the ASW comprises:
asphalt;
limestone;
granules; and
impurities;

grinding and screening the ASW to result in ASW particles;
removing at least a first portion of the granules from the ASW particles with at least one granule liberator;
forming the ASW particles into an ASW powder,
wherein the ASW powder comprises:
5% to 40% by weight of asphalt based on a total weight of the ASW powder,
wherein the asphalt comprises waste asphalt; and

60% to 95% by weight of limestone and impurities based on the total weight of the ASW powder.