Non-blocking filter
US5855635A · kind A · utility
10Cited by
19References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Sep 19, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter is provided. The filter includes a first layer of a non-blocking screen and a second layer of the non-blocking screen disposed against and in direct contact with the first layer, said first and second layers together forming a filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.