Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8252105 | Biodegradable vehicle/carrier for printing ink | Calvin M. Wicker, Jr., Paul Sullivan | 2012-08-28 |
| 7825159 | Mixtures of aromatic esters for marking or tagging organic products, marker compositions comprising the same and manufacturing methods thereof | Justin J. Frederico, Michael J. Smith, Michael P. Hinton | 2010-11-02 |
| 7163827 | Aromatic esters for marking or tagging organic products | Michael J. Smith | 2007-01-16 |
| 6692728 | Polyesters based on hydroxy fatty acids and lower hydroxy alkyl acids and uses thereof | Paul David Weipert | 2004-02-17 |
| 6540987 | Polyesters based on hydroxy fatty acids and lower hydroxy alkyl acids and uses thereof | Paul David Weipert | 2003-04-01 |
| 6514917 | Molecular tags for organic solvent systems | Michael J. Smith, Justin J. Frederico | 2003-02-04 |
| 6482651 | Aromatic esters for marking or tagging petroleum products | Michael J. Smith | 2002-11-19 |
| 6057282 | High purity imidazoline-based amphoacetate surfactants | Peter Lees, Jean-Marc Ricca, David J. Tracy | 2000-05-02 |
| 6002056 | Colorless petroleum markers | Michael J. Smith | 1999-12-14 |
| 5952291 | Process for the preparation of high purity imidazoline based amphoacetate surfactants | Peter Lees, Jean-Marc Ricca, David J. Tracy | 1999-09-14 |
| 5882358 | Colored transmission fluid | Michael J. Smith | 1999-03-16 |
| 5858930 | Liquid Benz-iso-Quinoline derivatives | Michael J. Smith | 1999-01-12 |
| 5744063 | Higher purity imidazoline based amphoacetate surfactants and processes for the preparation thereof | Peter Lees, Jean-Marc Ricca, David J. Tracy | 1998-04-28 |
| 5558808 | Colored transmission fluid | Michael J. Smith | 1996-09-24 |
| 4719282 | Polycationic block copolymer | Richard J. Nadolsky | 1988-01-12 |
| 4490355 | Betaine based cosmetic formulations | — | 1984-12-25 |