Desiccant tablets for gas drying
US6368384B1 · kind B1 · utility
6Cited by
12References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2001 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Mar 9, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2256/245
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Desiccant tablets including solid potassium formate are used to dry gas, especially in natural gas transmission lines. The most preferred tablets comprise 5-15% potassium formate, up to 1% of a surfactant as a lubricant, and the balance desiccant salts, preferably calcium chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.