Hydrophobic membranes
US4954256A · kind A · utility
82Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1989 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | May 15, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J9/405
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydrophobic polymeric microporous membrane having a CWST of less than about 28 dynes/cm is obtained by forming a (co)polymer of a fluorine-containing ethylenically unsaturated monomer that is permanently chemically bonded to a microporous membrane substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.