Method of removing urea and/or creatinine
US4178241A · kind A · utility
4Cited by
4References
1Claims
0Family size
Inventors
Key dates
| Filing date | Sep 20, 1978 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Sep 20, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention pertains to a method for removing urea and creatinine from aqueous solutions by contacting such solutions with a polymer selected from the group consisting of: p-mercapto polystyrene; p-mercaptoacetic polystyrene; dinitro-p-mercaptoacetic polystyrene; p-nitropolystyrene; and p-amino polystyrene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.