Abstract: In the formation of capsules having a polyanionic polysaccharide core and a polycationic polysaccharide membrane layer, improved binding of the polycationic polysaccharide is achieved by including polyvalent ions, especially calcium ions, at the membrane forming step.
Type:
Grant
Filed:
July 1, 1998
Date of Patent:
December 26, 2000
Assignee:
FMC Biopolymer A.S.
Inventors:
Olav G.ang.ser.o slashed.d, .O slashed.ivind Skaugrud, Peter Dettmar, Gudmund Sj.ang.k-Braek, Ian Jolliffe