Chemical indicator sheets and packaging bags for sterilization made with the use of the same
US6267242A · kind A · utility
79Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1999 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Oct 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/206664
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention provides a sheet which has a chemical indicator, in particular, a composition layer for use as an indicator in hydrogen peroxide plasma sterilization, and further provides a packaging bag for said sterilization with use of such an indicator. Said composition layer comprises both a dye which can change color when contacted with hydrogen peroxide vapor or plasma derived from hydrogen peroxide, and a certain organic amine compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.