Water or gas purification by bulk absorption
US4956095A · kind A · utility
2Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1989 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Dec 29, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Water or gas containing organic impurities is purified by contact with a poly(trialkylsilylpropyne), such as poly[1-(trimethylsilyl)-1-propyne], operating as a bulk absorbent. Regeneration of the absorbent can be by vacuum or a stream of air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.