Filter paper for laden liquids
US6224768A · kind A · utility
17Cited by
8References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 10, 1997 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Dec 10, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D39/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The subject-matter of the present invention is a filter paper for laden liquids, with a high adsorption and absorption capacity. This paper, based on cellulose fibers, is filled with organic and/or inorganic pulverulent matter. The powder filling is adapted in quantity and quality to the liquid to be filtered. It finds its application in petrochemical, agri-foodstuffs and papermaking industries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.