Filter and method of making same
US4336036A · kind A · utility
54Cited by
19References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1981 |
| Grant date | Jun 22, 1982 |
| Priority date | — |
| Expiry date | Jan 8, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/7536
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A deformable liquid filter with means for purging air and gases having a housing with spaced flexible walls and a hydrophilic membrane defining a collapsible inlet chamber with air and gas vent means on one side of the membrane and an outlet chamber on the opposite side of the membrane with membrane support means which prevents the outlet chamber from collapsing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.