Odor-adsorbent activated charcoal
US5197208A · kind A · utility
21Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 1, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Aug 1, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved foot odor adsorbent is described having about 2.5% by weight of zinc oxide impregnated onto finely divided activated charcoal. Data is presented comparing the odor-reducing ability of the improved charcoal to conventional activated charcoal, zinc oxide powder, and standard latex foam that has been vulcanized with zinc oxide. Data is also presented showing the comparative odor-reducing ability of latex foam which incorporates various amounts of the improved activated charcoal and standard foam incorporating conventional activated charcoal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.