Permanent hydrophilic porous coatings and methods of making them
US10092881B2 · kind B2 · utility
4Cited by
21References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2008 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Apr 22, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A membrane includes a porous base membrane and a hydrophilic coating. The coating comprises a hydrophilic additive and a hydrophilic polymer derivatized with an electron beam reactive group adapted to form a radical under high energy irradiation. In some embodiments, the membrane comprises a fluoropolymer. Also disclosed are processes for forming the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.