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Grant Patents Gransil EPSQ Powder Technology

November 30, -0001

Grant Industries, Inc., Elmwood Park NJ, has been awarded a patent for its Gransil EPSQ powder technology, leading to a new class of sponge-like cosmetics. (At press time, the final patent number had yet to be published.)

Cosmetic grade polydimethylsiloxane and polymethylsilsesquioxane (PMSQ) are entwined in a process that produces a finely divided porous particle using interpenetrating polymer network (IPN) synthesis, which is not a simple mixture of two polymer materials.The characteristic and physical properties of each individual network are changed, resulting in a new material with novel properties. In comparison with pure silicone elastomers, it features a drier, more slippery feel after being dispersed in cyclomethicone or low viscosity silicone fluids. In addition, it provides a higher oil absorption capacity and an increased compatibility with vegetable oils. Optimal performance is achieved when Gransil EPSQ is combined with low viscosity silicone or hydrocarbon fluids. It can be dispersed by sprinkling it into a fluid with vigorous mixing.

Grant has posted demo formulas on its website with excellent optical blurring effect for wrinkles and sebum absorption for matte finish for inclusion in unique “mousse” texture cosmetics.

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