Patent · US Active

Methods of forming an asphalt shingle waste powder from asphalt shingle waste

US11499276B2 · kind B2 · utility

5Cited by
35References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 2022
Grant dateNov 15, 2022
Priority date
Expiry dateApr 29, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2555/34
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Non-limiting embodiments of the present disclosure relate to a method comprising: obtaining asphalt shingle waste (ASW) and performing grinding, screening, and separating steps on the ASW. In some embodiments, granules are removed from the ASW. In some embodiments, the method transforms ASW into ASW powder. In some embodiments, the ASW powder is formed into a plurality of briquettes. In some embodiments, at least one of: the ASW powder, the plurality of briquettes, or any combination thereof is fed into a mixing process that results in an ASW powder filled coating.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.