Core Viewpoint - Northstar Clean Technologies Inc. has successfully separated and recovered limestone from asphalt shingles, establishing a fourth product line and receiving a new patent for this technology, which is expected to remain valid until 2045 [1][3]. Group 1: Product Development - The new limestone recovery process enhances the durability and longevity of asphalt shingles, contributing to the company's existing product lines, which include liquid or pelletized asphalt, aggregate, and fiber/fiberglass [2]. - The introduction of the fourth product line is expected to deliver a high-quality asphalt product, differentiating Northstar in the global marketplace [3]. Group 2: Intellectual Property - The newly issued patent adds protection to Northstar's intellectual property portfolio, reinforcing its first-mover advantage in the asphalt shingle reprocessing industry [3]. - Northstar has previously received a U.S. patent in November 2022 and is actively pursuing additional patent protections in the U.S., Canada, and other international markets [3]. Group 3: Company Overview - Northstar is focused on sustainable recovery and reprocessing of asphalt shingles, aiming to divert waste from landfills and contribute to the circular economy [4]. - The company operates its first commercial scale-up facility in Calgary, Alberta, and plans to reprocess used asphalt shingles into their component parts for reuse and resale [4].