Device for monitoring ethylene oxide sterilization process
US4138216A · kind A · utility
28Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1977 |
| Grant date | Feb 6, 1979 |
| Priority date | — |
| Expiry date | Dec 23, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/200833
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for monitoring ethylene oxide sterilization processes comprising a wick means impregnated with an ethylene oxide responsive chemical compound, a pH sensitive dye and a quantifier mounted on a backing strip and sealed with a cover strip to form an envelope having one edge at which the wick means is exposed. The device is responsive to time, temperature and relative humidity as well as ethylene oxide concentration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.