C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 2/22 (2006.01) A61K 9/107 (2006.01) A61K 9/20 (2006.01) C08F 6/14 (2006.01)
Patent
CA 2053005
Abstract The invention relates to emulsifier-free emulsion polymers, processes for their preparation and their use in pharmaceutical preparations giving a delayed release of active substance.
Gopferich Achim
Lee Geoffrey
Ludwig Horst
Schaffler Achim
Zierenberg Bernd
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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