Ammonium sulfate recovery process
US4341535A · kind A · utility
2Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1981 |
| Grant date | Jul 27, 1982 |
| Priority date | — |
| Expiry date | Jan 2, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/909
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The heavy organic material contained in the liquid bottoms from the quench column of an acrylonitrile recovery and purification system is extracted therefrom using acetonitrile as the extractant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.