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@Mr_Sworld
Well 3M are major players in the technology and hold a lot of patents about it...
'With $30 billion in sales, 3M employs 88,000 people worldwide and produces more than 55,000 products, including: adhesives, abrasives, laminates, passive fire protection, dental products, electronic materials, medical products, car-care products (sun films, polish, wax, car shampoo, treatment for the exterior, interior and the under chassis rust protection), electronic circuits, and optical films.'