Packet for compound treatment of gases
US5069694A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1990 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Jul 2, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1307
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A packet for effecting a compound treatment of gaseous material by desiccation and/or absorption and/or adsorption including a permeable envelope of carbon-loaded sheet material for effecting a first treatment of gaseous material which comes into contact with it, and bulk material in the envelope for effecting a second treatment of the gaseous material which enters the envelope. An envelope fabricated of carbon-loaded paper for receiving a foreign body and adsorbing gases which may deleteriously affect it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.