B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 13/18 (2006.01)
Patent
CA 2338828
The invention relates to the preparation of novel microparticles that can be obtained from at least one cyclic olefin copolymer using formulating materials, preferably diatom earth, and to the use of the microparticles for the controlled release of active agents.
L'invention concerne la préparation de microparticules d'un type nouveau, obtenues à partir d'au moins un copolymère de cyclo-oléfines, par l'intermédiaire de produits formulés, de préférence, de terres de diatomées, pour la libération contrôlée de constituants actifs.
Berger Klaus
Hahn Bernd
Osan Frank
Rueppel Diether
Schneller Arnold
Aventis Cropscience Gmbh
Aventis Research & Technologies Gmbh & Co. Kg
Fetherstonhaugh & Co.
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