Antihemophilic factor concentrate and its production
US4170639A · kind A · utility
8Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1978 |
| Grant date | Oct 9, 1979 |
| Priority date | — |
| Expiry date | Jul 10, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S530/83
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Antihemophilic factor (AHF) concentrate having enhanced potency and solubility and its process of production are provided. The process includes the steps of removing unwanted protein from an aqueous extract of antihemophilic blood plasma cryoprecipitate by mixing the aqueous extract with aluminum hydroxide at an acid pH in the cold, adjusting the purified aqueous extract to an acid pH and freeze-drying the extract, optionally removing water from the extract just before freeze-drying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.