Dialysis system
US4094775A · kind A · utility
150Cited by
5References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1977 |
| Grant date | Jun 13, 1978 |
| Priority date | — |
| Expiry date | Feb 28, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D71/78
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The improved hemodialysis system utilizes a second polymeric membrane having dialyzate in contact with one surface and a urea decomposition solution in contact with the other surface. The membrane selectively passes urea from the dialyzate into the decomposition solution, while preventing passage of positively charged metal ions from the dialyzate into the solution and ammonium ions from the solution into the dialyzate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.