Filled paper for gas filtration
US5965091A · kind A · utility
28Cited by
3References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 10, 1997 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Dec 10, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S422/90
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a filled paper for gas filtration, with a high adsorption and absorption capacity. This paper, consisting of cellulose fibers, is filled with organic and/or inorganic powders adapted in quantity and in quality to the gas to be treated. It finds its application in the petroleum, chemical, agri-foodstuffs and papermaking industries, in apartment buildings and in office and hospital buildings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.