Method of steam sterilization using a steam sterilization indicator
US6149863A · kind A · utility
0Cited by
8References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1999 |
| Grant date | Nov 21, 2000 |
| Priority date | — |
| Expiry date | Sep 10, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q2326/92
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A steam-sensitive ink comprises, as active ingredient, a tetrazolium salt. The ink may be coated on, or impregnated into, a substrate to form a steam sterilization indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.