Pyrogens separations by ceramic ultrafiltration
US5104546A · kind A · utility
121Cited by
36References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Jul 3, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/90
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The method of the present invention for separating pyrogens includes passing a pyrogen-containing liquid through a zirconium oxide membrane on a ceramic support. The membrane on ceramic support preferably includes a porous sintered zircondium oxide membrane on alpha-alumina support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.