Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6150320 | Concentrated cleaner compositions capable of viscosity increase upon dilution | James A. McDonell | 2000-11-21 |
| 5503778 | Cleaning compositions based on N-alkyl pyrrolidones having about 8 to about 12 carbon atoms in the alkyl group and corresponding methods of use | Augustine Liu | 1996-04-02 |
| 4654309 | Test method and article for estimating the concentration of free acid in liquid | John Neumayer | 1987-03-31 |