Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9176103 | Chemical indicator compositions, indicators and methods | David A. Whitman, Ranjani V. Parthasarathy, Kevin D. Landgrebe, Anthony E. Bennett | 2015-11-03 |
| 9170245 | Chemical indicator composition, indicators and methods | Kevin D. Landgrebe, Steven S. Kirckof | 2015-10-27 |
| 7897403 | Hydrogen peroxide and peracetic acid indicators and methods | — | 2011-03-01 |
| 7670552 | Peracetic acid indicators and methods of use | — | 2010-03-02 |
| 7481975 | Hydrogen peroxide indicator and method | — | 2009-01-27 |
| 7192554 | Hydrogen peroxide and peracetic acid indicators and methods | — | 2007-03-20 |
| 6790411 | Hydrogen peroxide indicator and method | — | 2004-09-14 |
| 5916816 | Steam sterilization indicator compositions | — | 1999-06-29 |
| 4298569 | Steam-formaldehyde sterilization indicator | — | 1981-11-03 |