Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267740 | Tracer and method of identifying tracer in product | Elizabeth Ruth Egginton, Clive Anthony Marchant, Duncan William John McCallien, Alistair McInroy, David Eustace +1 more | 2019-04-23 |
| 9625440 | Method of marking hydrocarbon liquids | Duncan William John McCallien | 2017-04-18 |
| 9618454 | Method of identifying a material | Clive Antony Marchant | 2017-04-11 |
| 9506000 | Tracers and method of marking liquids | Ian Stuart Edworthy, Duncan William John McCallien | 2016-11-29 |
| 9284833 | Method of tracing flow of hydrocarbon from a subterranean reservoir | Paul Hewitt, Jonathon Dean Spencer | 2016-03-15 |
| 9090841 | Tracers and method of marking hydrocarbon liquids | Duncan William John McCallien, Ian Stuart Edworthy | 2015-07-28 |
| 8906698 | Method and apparatus for measuring fluorescence in liquids | Duncan William John McCallien, Ian Stuart Edworthy | 2014-12-09 |
| 8640773 | Method of tracing flow of hydrocarbon from a subterranean reservoir | Paul Hewitt, Jonathon Dean Spencer | 2014-02-04 |
| 8431526 | Compositions and methods for prion decontamination | Graham Jackson, John Collinge | 2013-04-30 |
| 8163801 | Enzymatic production of peracids using perhydrolytic enzymes | Robert DiCosimo, Mark S. Payne, Eugenia Costa Hann, John Edward Gavagan, Lorraine Winona Wagner | 2012-04-24 |
| 8063008 | Enzymatic production of peracids using perhydrolytic enzymes | Robert DiCosimo, Mark S. Payne, Eugenia Costa Hann, John Edward Gavagan, Lorraine Winona Wagner | 2011-11-22 |
| 8034766 | Compositions and methods for prion decontamination | John Collinge, Graham Jackson | 2011-10-11 |
| 7780911 | Biocidal compositions for producing peracids | Robert DiCosimo, Mark S. Payne, Eugenia Costa Hann, John Edward Gavagan, Lorraine Winona Wagner | 2010-08-24 |
| 7612030 | Enzymatic production of peracids using perhydrolytic enzymes | Robert DiCosimo, Mark S. Payne, John Edward Gavagan, Lorraine Winona Wagner, Eugenia Costa Hann | 2009-11-03 |
| 7550420 | Enzymatic production of peracids using perhydrolytic enzymes | Robert DiCosimo, Mark S. Payne, Eugenia Costa Hann, John Edward Gavagan, Lorraine Winona Wagner | 2009-06-23 |
| 5914304 | Bleaching compositions | Stephen James Tompsett, Susan Jane Scarborough | 1999-06-22 |
| 5801138 | Bleaching compositions | Stephen James Tompsett, Susan Jane Scarborough | 1998-09-01 |