Chemistry: molecular biology and microbiology – Maintaining blood or sperm in a physiologically active state...
Patent
1986-09-03
1989-06-20
Warden, Robert J.
Chemistry: molecular biology and microbiology
Maintaining blood or sperm in a physiologically active state...
435182, 4352402, 600 35, A01N 102, C12N 1104
Patent
active
048408913
ABSTRACT:
Sperm are encapsulated in a nontoxic polymer which is freely flowing at body temperature and a gel or solid at temperatures of storage and transfer. On delivery to the reproductive tract, the polymer microcapsule liquifies and the sperm are released.
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patent: 4164560 (1979-08-01), Folkman et al.
patent: 4352883 (1982-10-01), Lim
patent: 4391909 (1983-04-01), Lim
patent: 4407957 (1983-10-01), Lim
Cooper Iver P.
Genetic Engineering, Inc.
Graeter Janelle
Warden Robert J.
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