| 8802829 |
Rinsable dyes and methods for their preparation |
Mark Berenfeld, Sai Harfouch |
2014-08-12 |
| 8772545 |
Rinsable dyes and methods for their preparation |
Mark Berenfeld, Sal Harfouch |
2014-07-08 |
| 8664371 |
Rinsable dyes and methods for their preparation |
Mark Berenfeld, Sal Harfouch |
2014-03-04 |
| 8653247 |
Rinsable dyes and methods for their preparation |
Mark Berenfeld, Sal Harfouch |
2014-02-18 |
| 6294110 |
Color canceling marking systems |
Michael R. Friswell, Al Zimin, Sr. |
2001-09-25 |
| 5980593 |
Silent fluorescent petroleum markers |
Michael R. Friswell, Alejandro Zimin, Sr. |
1999-11-09 |
| 5902750 |
Tagging of waterborne compositions with oil-soluble markers |
James J. Fuerholzer, Alejandro Zimin, Sr., James J. Baluyut |
1999-05-11 |
| 5837753 |
Stable oil-in-water ink emulsions based upon water-reducible solvent dyes for ink-jet printers and felt-tip and roller-ball pens |
— |
1998-11-17 |
| 5746815 |
Stable oil-in-water ink emulsions based upon water-reducible nigrosine dyes for ink-jet printers and felt-tip and roller-ball pens |
— |
1998-05-05 |
| 5707405 |
Water-reducible nigrosine dye compositions |
Alejandro Zimin, Sr. |
1998-01-13 |
| 5603735 |
Water-reducible dye compositions comprising solvent dyes and citrus solvents |
Alejandro Zimin, Sr. |
1997-02-18 |
| 5504199 |
Method of introducing dyes to ethanol |
Alejandra Zimin, Michael R. Friswell, David L. Booth, Michael P. Hinton |
1996-04-02 |
| 5306343 |
Tagging and identifying asphalt additives |
Walter A. Richardson, Alejandro Zimin, Sr., James J. Fuerholzer, Michael R. Friswell, Michael P. Hinton |
1994-04-26 |