A. Nattermann & Cie Gmbh

Kurt-Heinz Bauer

Miklos Ghyczy

Ulrich Posanski

Armin Wendel

Liquid, active substance formulations containing an active substance insoluble or poorly soluble in water, or a mixture, a phospholipid, a special co-emulsifier (glycerinester in which the 1 or 2 OH groups have been esterized with hydrocarbon atoms of 8-16, preferably 8-10, C atoms by means of fatty acids and the 3 or remaining OH group of the glycerin body has been etherized with polyethyleneglycol, specifically, with 6-30, preferably 6-15 ethyleneoxide units) and a liquid carrier, the molar ratio of phospholipid to co-emulsifier being from 1:1 to 1:4, and the formulations being such that when added to water they form a transparent liquid system in the form of a microemulsion, with a degree of fineness of 10-200 nm in the lipid phase.

Growing community of inventors

Freiburg, Germany

Kurt-Heinz Bauer