Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399715 | Solution polymerizing aspartic acid and monomer to form succinimide copolymer | Grigory Mazo, Robert J. Ross, Jacob Mazo | 2002-06-04 |
| 6197897 | Production of succinimide copolymers in cyclic carbonate solvent | Grigory Mazo, Robert J. Ross, Jacob Mazo | 2001-03-06 |
| 5939517 | Production of succinimide copolymers in cyclic carbonate solvent | Grigory Mazo, Robert J. Ross, Jacob Mazo | 1999-08-17 |
| 5939518 | Polyaspartate (salt) by polymerizing aspartic acid and hydrolyzing | Grigory Mazo, Daniel A. Batzel, Jacob Mazo | 1999-08-17 |
| RE36234 | Aspartic acid copolymers and their preparation | Larry P. Koskan, Daniel A. Batzel | 1999-06-22 |
| 5783728 | Phosphinate compounds prepared from acetylenic compounds and inorganic phosphite salts and derivatives of these compounds | Donald A. Johnson, Vytas Narutis, Binaifer S. Khambatta | 1998-07-21 |
| 5756595 | Production of polysuccinimide in cyclic carbonate solvent | Grigory Ya Mazo, Daniel A. Batzel, Jacob Mazo | 1998-05-26 |
| 5647995 | Method for the control of calcium carbonate scale using compounds prepared from acetylenic compounds and inorganic phosphite salts and their derivatives | Donald A. Johnson, Vytas Narutis, Binaifer S. Khambatta | 1997-07-15 |
| 5508434 | Production of a polysuccinimide and derivatives thereof in the presence of a sulfur-containing dehydrating agent | Daniel A. Batzel, Abdul R. Y. Meah | 1996-04-16 |
| 5478919 | Aspartic acid copolymers and their preparation | Larry P. Koskan, Daniel A. Batzel | 1995-12-26 |
| 5382323 | Cross-linked poly(aminoamides) as yankee dryer adhesives | Gary S. Furman, Kristy M. Bailey, Martha R. Finck, Winston Su | 1995-01-17 |
| 5266243 | Method for preparing a ceramic oxide material | David R. Cosper | 1993-11-30 |
| 5179173 | Aminoalkylphosphinates and phosphinic acid-containing polymers therefrom | Dodd W. Fong, Mary A. Kinsella, John W. Sparapany | 1993-01-12 |
| 5143622 | Phosphinic acid-containing polymers and their use in preventing scale and corrosion | Dodd W. Fong, Mary A. Kinsella, John W. Sparapany | 1992-09-01 |
| 5085794 | Oligomer containing phosphinate compositions and their method of manufacture | Vytas Narutis, Barbara E. Fair, Donald A. Johnson | 1992-02-04 |
| 5023000 | Oligomer-containing phosphate scale inhibitors | Barbara E. Fair, Gianfranco F. Mazzani, I. Sergio Di Simone | 1991-06-11 |
| 5018577 | Phosphinate inhibitor for scale squeeze applications | Jerry E. Pardue | 1991-05-28 |
| 4929425 | Cooling water corrosion inhibition method | John E. Hoots, Donald A. Johnson, Dodd W. Fong | 1990-05-29 |
| 4923634 | Cooling water corrosion inhibition method | John E. Hoots, Donald A. Johnson, Dodd W. Fong | 1990-05-08 |
| 4919821 | Modified maleic anhydride polymers and the like for use as scale inhibitors | Dodd W. Fong, John E. Hoots, Donald A. Johnson | 1990-04-24 |
| 4913824 | Anionic polymers containing N-vinyl-pyrrolidone or other vinyl amides as scale inhibitors for preventing or reducing calcium phosphate and other scales | — | 1990-04-03 |
| 4752443 | Cooling water corrosion inhibition method | John E. Hoots, Donald A. Johnson, Dodd W. Fong | 1988-06-21 |
| 4740314 | Anionic polymers containing N-vinyl-2-pyrrolidone or other vinyl amides and maleic anhydride or maleic acid as scale inhibitors for preventing or reducing calcium phosphate and other scales | — | 1988-04-26 |
| 4728436 | Anionic polymers containing 3-acrylamido-3-methylbutanoic acid as scale inhibitors for preventing or reducing calcium phosphate and other scales | Donald A. Johnson | 1988-03-01 |
| 4711726 | Carboxylate N-vinylamide copolymers for internal scale control and passivation in high pressure boiler systems | Claudia C. Pierce, Robert S. Robinson | 1987-12-08 |