Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process...
Patent
1984-02-23
1986-06-17
Rosen, Sam
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
435 68, 435240, C12P 100, C12P 2100
Patent
active
045956570
ABSTRACT:
The present invention relates to a process for preparing an inhibiting agent against the proliferation of malignant tumor cells of animals including human beings by cultivating animal malignant tumor cells, removing said malignant tumor cells from the culture medium and successively isolating a fraction having a molecular weight not less than 500 by fractional filtration.
REFERENCES:
patent: 4415553 (1983-11-01), Zhabilov et al.
Matsuda et al., Chem. Abst. vol. 92 (1980), p. 20255q.
Koken Ltd.
Nagasu Youichiro
Rosen Sam
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