Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Culture medium – per se
Reexamination Certificate
2005-09-13
2005-09-13
Lankford, Jr., Leon B. (Department: 1651)
Chemistry: molecular biology and microbiology
Animal cell, per se ; composition thereof; process of...
Culture medium, per se
C435S405000, C435S407000, C435S408000, C435S348000
Reexamination Certificate
active
06943023
ABSTRACT:
A novel cell culture medium suitable for primary culture of insect cells, an insect-derived water-soluble chitin, and a process of preparing an insect culture cell line in a short period of time by using the insect primary culture medium and the insect-derived water-soluble chitin. The insect cell primary culture medium comprises lactalbumin hydrolysate, yeastolate, and tryptose phosphate broth as protein extracts, and polyvinylpyrrolidone as a viscosity-supplementing agent. The insect-derived water-soluble chitin is subjected to deacetylation as the sole chemical modification.
REFERENCES:
patent: 5024947 (1991-06-01), Inlow et al.
Haga Atsunobu
Imanishi Shigeo
Mitsuhashi Jun
Lankford , Jr. Leon B.
National Institute of Agrobiological Sciences
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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