Abstract: The medicament in particulate form has one or more anionic or partially anionic active substances bound to a carrier material. The carrier material includes particulate copolymer or homopolymer of acrylic acid or acrylic acid ester or methacrylic acid esters. The carrier further includes oxygen in the ester group, a branched or unbranched alkyl chain with 2-10 carbon atoms, --NR.sub.2 where R represents H and lower alkyl chains in any combination, and H or a lower alkyl chain. The grain size distribution of the carrier is 10-1000 nm.
Type:
Grant
Filed:
August 11, 1997
Date of Patent:
December 26, 2000
Assignees:
Christian Noe, Joerg Kreuter
Inventors:
Christian Noe, Jorg Kreuter, Andreas Zimmer, Hans-Peter Zobel, Frank Stieneker, Serap Atmaca-Abdel Aziz