Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256651 | Hydrophilic-hydrophobic derivatives of polygalactomannans containing tertiary amine functionality | Michael E. Morgan | 1993-10-26 |
| 4973637 | Polymers made from quaternary ammonium acrylic monomers | Michael E. Morgan | 1990-11-27 |
| 4941537 | Method for reducing the viscosity of aqueous fluid | Paul W. Langemeier, Michael E. Morgan | 1990-07-17 |
| 4918181 | Tertiaryaminoalkyl-hydroxyalkyl ethers of polygalactomannans | Dennis J. Karcher, Michael E. Morgan | 1990-04-17 |
| 4918228 | Quaternary ammonium acrylic monomers and alcohol soluble polymers made therefrom | Michael E. Morgan | 1990-04-17 |
| 4647385 | Reduction of viscosity of aqueous fluids | Martin M. Williams, George M. Zody | 1987-03-03 |