Free-flowing dry particles

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Title: Free-flowing dry particles
United States Patent: 6,030,645
Inventors: Tritsch; Jean-Claude (Saint-Louis, FR); Ulm; Johann (Oberwil, CH)
Assignee: Roche Vitamins Inc. (Nutley, NJ)
Appl. No.: 027328
Filed: February 20, 1998
Abstract
The invention is concerned with a flowable dry particle consisting of at least one oleophilic substance as the active ingredient present in a matrix of at least one carrier material and a coating. The coating consists of calcium silicate or of a mixture of calcium silicate with one or more mixture components, with the mixture components being microcrystalline cellulose, magnesium silicate, magnesium oxide, stearic acid, calcium stearate, magnesium stearate, silicon dioxide, kaolin and/or hydrogenated vegetable oil.