Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10336776 | Invert emulsions made with non-PEG containing silicone based polyhydric emulsifiers | Rick Vrckovnik, Fenbao David Zhang | 2019-07-02 | |
| 8263061 | Alkyl quaternium silicone compounds | Anthony J. O'Lenick, Jr., Zhi Lu, Marian Holerca, Gregory Szewczyk, Rick Vrckovnik | 2012-09-11 | $57,791,000 |
| 7906671 | Fluids having silicone groups and organic groups containing esters | Bernie J. Pafford, Wenning Wang Han, Suzzy C. Ho, Nicole Blandine Temme, James Zielinski +2 more | 2011-03-15 | $122,539,000 |
| 6407274 | Silicone amine oxides | Richard O. Vrckovnik | 2002-06-18 |