Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894110 | Preparation of water soluble polymer dispersions from vinylamide monomers | Manian Ramesh, Anthony G. Sommese | 2005-05-17 |
| 6426383 | Preparation of water soluble polymer dispersions from vinylamide monomers | Manian Ramesh, Anthony G. Sommese | 2002-07-30 |
| 6225430 | Sulfobetaine-containing polymers and their utility as calcium carbonate scale inhibitors | Charles F. Marth, Ronald V. Davis | 2001-05-01 |
| 5788866 | Copolymers formed from polymerization of N,N-diallyl-N-alkyl-N-(sulfoalkyl) ammonium betaine and their utility as calcium carbonate scale inhibitors | Charles F. Marth, Ronald V. Davis | 1998-08-04 |
| 5476594 | Vinylamine polymers for removing color from paper mill effluents | John H. Collins, Anthony G. Sommese, Amy M. Tseng | 1995-12-19 |
| 5435921 | Vinylamine polymers and coagulants for removing color from paper mill effluents | John H. Collins, Anthony G. Sommese, Amy M. Tseng | 1995-07-25 |
| 5378784 | Fluorescent monomer and polymer | David J. Kowalski | 1995-01-03 |
| 5336729 | Acrylamide co-polymers with (2-acrylamido-2-hydroxyethyl) lower trialkyl ammonium salts | Frederick J. Swiecinski | 1994-08-09 |
| 5308498 | Hydroxamic acid containing polymers used as corrosion inhibitors | Binaifer S. Khambatta | 1994-05-03 |
| 5260386 | Synthesis of tagged polymers by post-polymerization (trans) amidation reaction | John E. Hoots | 1993-11-09 |
| 5216086 | Synthesis of tagged polymers by post-polymerization (trans)amidation reaction | John E. Hoots | 1993-06-01 |
| 5213691 | Phosphonate-containing polymers for controlling scale in underground petroleum-containing formations and equipment associated therewith | Daniel H. Emmons, Mary A. Kinsella | 1993-05-25 |
| 5208216 | Acrylamide terpolymer shale stabilizing additive for low viscosity oil and gas drilling operations | C. Darwin Williamson, Robert K. Gabel | 1993-05-04 |
| 5179173 | Aminoalkylphosphinates and phosphinic acid-containing polymers therefrom | Mary A. Kinsella, James F. Kneller, John W. Sparapany | 1993-01-12 |
| 5167828 | Phosphinate-containing polymers for controlling scale in underground petroleum-containing formations and equipment associated therewith | Daniel H. Emmons, Mary A. Kinsella | 1992-12-01 |
| 5143622 | Phosphinic acid-containing polymers and their use in preventing scale and corrosion | Mary A. Kinsella, James F. Kneller, John W. Sparapany | 1992-09-01 |
| 5128419 | Synthesis of tagged polymers by post-polymerization (trans) amidation reaction | John E. Hoots | 1992-07-07 |
| 5120797 | Sulfomethylamide-containing polymers | David K. Kowalski | 1992-06-09 |
| 5084520 | Synthesis of hydrophobic/alkoxylated polymers | — | 1992-01-28 |
| 5075390 | Synthesis of hydrophobic/alkoxylated polymers | — | 1991-12-24 |
| 5049310 | Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom | Donald A. Johnson, John E. Hoots, Guy A. Crucil | 1991-09-17 |
| 5043406 | Fluorescent acrylamide polymers | — | 1991-08-27 |
| 5035806 | Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers | John E. Hoots | 1991-07-30 |
| 5004786 | Process for producing sulfomethylamide polymers | David J. Kowalski | 1991-04-02 |
| 4999456 | N-dibenzosuberenylacrylamide (N-5-(5H-dibenzo[a,d]cycloheptenyl)acrylamide) | — | 1991-03-12 |