Process on or with liquid
US4909811A · kind A · utility
4Cited by
12References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1988 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Apr 6, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F33/403
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of carrying out a process on or with liquid comprises moving a bed of the liquid in a band 28 continuously along an annular path defined in a chamber 12 by passing fluid 38 having both circumferential and vertical components through the bed along the path during the carrying out of the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.