Impurity scavenger pillow
US5308665A · kind A · utility
22Cited by
21References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1990 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | Nov 16, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24273
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An impurity scavenger pillow or capsule and method for removing water or keeping water levels low in a solvent container with minimal particulate or chemical contamination, comprising a pillow consisting essentially of a porous bag containing a desiccant material, said pillow being formed through folding and sealing adjacent layers of the bag or comprising a capsule consisting essentially of a solid cylinder with the end or ends being a porous material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.