Method of preparing gamma globulin suitable for intravenous administration
US4476109A · kind A · utility
16Cited by
7References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 24, 1982 |
| Grant date | Oct 9, 1984 |
| Priority date | — |
| Expiry date | Sep 24, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K16/065
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method of preparing gamma globulin suitable for intravenous administration comprising a first step of treating a supernatant liquid separated from human blood plasma with ethanol under conditions of a pH of 5.5 to 6.5, an ethanol concentration of 30 to 35%, and a protein concentration of 1 to 2% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.