High strength capsules, process of preparing and using the same

Details High strength capsules, process of preparing and using the same High strength capsules, process of preparing and using the same

1998-07-01

2000-12-26

Kishore, Gollamudi S.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Capsules

424451, 424452, 424455, 424457, 514962, 514964, A61K 948, A61K 966, A61K 952

Patent

active

061655031

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.

REFERENCES:
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patent: 4409331 (1983-10-01), Lim
patent: 4663286 (1987-05-01), Tsang et al.
patent: 4690682 (1987-09-01), Lim
patent: 4749620 (1988-06-01), Rha et al.
patent: 4808707 (1989-02-01), Daly et al.
patent: 4950600 (1990-08-01), Tanaka et al.
patent: 5116747 (1992-05-01), Moo-Young et al.
O. Smidsr.o slashed.d et al., "Alginate as Immobilization Matrix for Cells", TIBTECH, vol. 8, No. 3, pp. 71-78 Mar. 1990.

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