ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,990, issued on May 20, was assigned to AXALTA COATING SYSTEMS IP Co. LLC (Wilmington, Del.).
"Method and apparatus for lining a pipe" was invented by Peter Guest (Nottingham, Great Britain) and Geoff Quinton (Rawtenstall, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition for application to a substrate is provided. The composition comprises a base component and an activator component. The base component comprises hydroxyl functional prepolymers and the activator comprises isocyanate prepolymers. The composition further comprises an amount of carbon fibre. The hydroxyl functional prepolymers are formulated to polymerise with t...