Filter membrane support and filtration funnel
US5112488A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1991 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Jun 17, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The instant invention provides a support apparatus for a filter membrane which comprises a central porous support section and a peripheral support section, said central porous support section adapted to support a central portion of a filter membrane and said peripheral support section adapted to support a peripheral portion of a filter membrane, a base support for said central support section and said peripheral support section, and means to separate said central porous support section from said peripheral support action thereby to separate said peripheral portion of said filter membrane from said peripheral support section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.