Sorbent material and a respirator containing the sorbent material
US4133309A · kind A · utility
13Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1977 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | May 13, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/68
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A complex granular material comprising manganese oxide-activated alumina is disclosed. The resulting material can be used in respirators to reduce the sulfur dioxide and HCl intake of the ambient atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.