Process for extraction of a growth factor complex
US6177550A · kind A · utility
16Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1998 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Sep 15, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The process of the invention for the extraction of a Growth Factor Complex is characterized in that water is added to natural and growth factors containing material, the pH value is adjusted to 2.5 to 3.2 by the addition of acid, the resulting precipitate is separated from the supernatant, the Growth Factor Complex in the aqueous solution is precipitated by the addition of an organic solvent miscible with water, separated from the liquid phase and dried, and the powder obtained is, if desired, dialyzed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.