Semipermeable polymers and method for producing same
US8684187B2 · kind B2 · utility
5Cited by
17References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2012 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Mar 5, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/48
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A polyamide membrane including reaction product of an anhydrous solution comprising an anhydrous solvent, at least one polyfunctional secondary amine and a pre-polymer deposition catalyst, and an anhydrous, organic solvent solution comprising a polyfunctional aromatic amine-reactive reactant having one ring. A composite semipermeable membrane including the polyamide membrane on a porous support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.