Treating matter
US5075981A · kind A · utility
2Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 1988 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | May 23, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J8/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Matter to be treated is passed through at least two treating regions sequentially wherein a bed of the matter is moved in a band continuously along an annular path by passing fluid through the bed along the path. The annular paths of the regions are concentric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.