Northstar Gets Patent For Shingles Process

Northstar Clean Technologies Inc. has been issued a patent for its front-end technology for reprocessing asphalt shingles by the United States Patent and Trademark Office (USPTO). This patent is expected to remain in force until 2042. Further, Northstar has filed follow-on continuation patent applications with the USPTO, as well as an application for patent approval in Canada and plans to file a Patent Cooperation Treaty international application. Northstar's proprietary technology reprocesses discarded asphalt shingles, otherwise destined for landfills, extracting the liquid asphalt, fibre, and aggregate materials for use in paving asphalt, shingle manufacturing, asphalt flat roof systems, and other industrial applications.