Process for the preparation of platelet growth factors extract
US5834418A · kind A · utility
104Cited by
0References
8Claims
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Key dates
| Filing date | Mar 20, 1996 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Mar 20, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of porcine platelet-extract containing matured growth factors, which comprises the steps of: a) centrifuging whole porcine blood at about 1000 g to about 5000 g to isolate the platelets from the platelet-rich-plasma; b) resuspending the isolated platelets of step a) in Plasma-Lyte A and centrifuging to concentrate the platelets; c) washing the concentrated platelets of step b); d) lyophilizing the washed platelets of step c); whereby causing lysis of the platelets and producing the platelet extract in optimal amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.