Polymer-bound nitrogen adsorbent and method of making and using it
US6451723B1 · kind B1 · utility
10Cited by
17References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2000 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Jul 9, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/102
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gas adsorbent is made by dissolving a polymer in one or more first solvents to form a polymer solution; mixing an inorganic adsorbent with the polymer solution to form a precursor; molding the precursor; and leaching the first solvents from the precursor with a second solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.