Patents

Urea-Based Skin Treatment

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By: TOM BRANNA

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US Patent No. 9,770,609 B2; Neat Feat Products Limited, Auckland, New Zealand, has been awarded a US patent for a topical formulation that treats skin. It contains a film-forming polymer, humectant, preservative and water. The urea has a molecular formula H2NCONH2. The film-forming polymer comprises polyoxypropylene(17) isophorone diisocyanate and dimethylol propionic acid copolymer (PPG-17/IPDI/DMPA copolymer). The ingredients are combined such that the preservative protects the formulatio...

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