Method of removing endotoxin
US5169535A · kind A · utility
15Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1990 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | Sep 17, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of removing endotoxin from a solution containing only endotoxin as a absorbed material, wherein the pH value of the solution is adjusted to pH 9 or lower than it, and subsequently, the solution is passed through a column packed with a crosslinked granular chitosan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.