Porous membrane and recording medium comprising same
US7910520B2 · kind B2 · utility
4Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2008 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Aug 13, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a porous membrane formed by curing at least one type of anionic monomer by UV irradiation in the presence of a photo-initiator wherein said porous membrane has at least 0.1 meq negative charges per m2, preferably between 0.3 and 5 meq negative charges per m2. The invention further relates to image recording materials, in which these porous membranes are used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.