Controlled release of bioactive materials using alginate gel bea

Details Controlled release of bioactive materials using alginate gel bea Controlled release of bioactive materials using alginate gel bea

1981-04-28

1983-08-30

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 65, 71 66, 71 67, 71 79, 71 93, 71100, 71115, 71117, 71118, 71DIG1, 424 19, 424304, 424361, A01N 4300, A01N 2534

Patent

active

044014562

ABSTRACT:
Alginate gel beads containing bioactive materials dispersed therein are the product and the process of this invention. These beads can be made to either float or sink in aqueous environments, and are capable of providing the controlled release of their bioactive materials when applied to terrestrial or aqueous environments.

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patent: 4107292 (1978-08-01), Nemeth
patent: 4242357 (1980-12-01), Fuchs et al.
patent: 4370160 (1983-01-01), Ziemelis
Fuji, "Multiwall Capsules," (1971), CA 75, No. 77838k, (1971).

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