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Northstar Announces Limestone As Fourth Product Line, Supported by New Patent on Recovery Process

Northstar Announces Limestone As Fourth Product Line, Supported by New Patent on Recovery Process...

articleNorthstar Clean Technologies, Inc.September 24, 20254/company/northstar-clean-technologies-inc/news/northstar-announces-limestone-as-fourth-product-line-supported-by-new-patent-on-recovery-process
Northstar Announces Limestone As Fourth Product Line, Supported by New Patent on Recovery Process

About this update from Northstar Clean Technologies, Inc.

[{"type":"text","content":"\n\n\n\n Northstar Announces Limestone As Fourth Product Line, Supported by New Patent on Recovery Process\n \n\n /* Style Definitions */\nspan.prnews_span\n{\nfont-size:8pt;\nfont-family:\"Arial\";\ncolor:black;\n}\na.prnews_a\n{\ncolor:blue;\n}\nli.prnews_li\n{\nfont-size:8pt;\nfont-family:\"Arial\";\ncolor:black;\n}\np.prnews_p\n{\nfont-size:0.62em;\nfont-family:\"Arial\";\ncolor:black;\nmargin:0in;\n}\n \n\n\n\n\n\n Canada NewsWire\n \n\n\n\n\n\n CALGARY, AB\n \n\n ,\n \n\n Sept. 24, 2025\n \n\n /CNW/ - Northstar Clean Technologies Inc. (TSXV: ROOF) (OTCQB: ROOOF) (\"\n \n Northstar\n \n \" or the \"\n \n Company\n \n \") is pleased to announce it successfully separated and recovered limestone from asphalt shingles, adding a fourth product line for the Company. Northstar has also been issued a new patent (the \"\n \n Patent\n \n \") by the United States Patent and Trademark Office (\"\n \n USPTO\n \n \") for this limestone recovery portion of the Company's proprietary asphalt shingle reprocessing technology. The Patent is expected to remain in force until 2045.\n \n\n\n\n\n\n\n\n\n Limestone is added to improve durability and longevity of shingles. The limestone, which is removed in Northstar's proprietary process to deliver its superior quality asphalt, now establishes a fourth product line for the Company, adding to the existing product lines of liquid or pelletized asphalt, aggregate and fibre/fibreglass.\n \n\n \"By extracting limestone directly from asphalt shingles, we've been able to establish both a fourth product line for the Company and most importantly, to deliver a final asphalt product with high-quality characteristics,\" commented\n \n Aidan Mills\n \n ,\n \n Northstar President\n \n & CEO. \"Additionally, this patent adds further protection to Northstar's intellectual property portfolio while strengthening our first-mover advantage. We believe the high quality of our asphalt will continue to provide significant differentiation for Northstar in the global marketplace.\"\n \n\n Northstar received its initial U.S. patent in November, 2022 and has successfully obtained patents in\n \n the United States\n \n and\n \n Canada\n \n . The Company continues to pursue further patent protection for its proprietary asphalt shingle reprocessing technology in\n \n the United States\n \n ,\n \n Canada\n \n and other ...

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