Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743668 | N-acetoacetyl (meth)acrylamide polymers | Jeffrey R. Cramm | 1988-05-10 |
| 4743396 | Pumpable magnesium hydroxide slurries | Daniel V. Diep | 1988-05-10 |
| 4734473 | Water-soluble cationic quaternary ammonium monomers | David J. Kowalski | 1988-03-29 |
| 4734103 | Viscosity/drag reducing additive for high solids black liquor | Daniel V. Diep, Ralph W. Kaesler | 1988-03-29 |
| 4731419 | Alkoxylated/cationically modified amide-containing polymers | — | 1988-03-15 |
| 4713178 | Dewatering agents | Ann M. Halverson | 1987-12-15 |
| 4704209 | Sulphonate-containing terpolymers as flocculants for suspended solids | Paul Richardson, Lawrence J. Connelly, Ralph W. Kaesler | 1987-11-03 |
| 4703092 | Process of making N-(2-hydroxy-3-sulfopropyl)amide containing polymers | — | 1987-10-27 |
| 4683066 | Anionic flocculant for dewatering steel mill sludges | Gerard Rose, Ralph W. Kaesler | 1987-07-28 |
| 4680339 | Carboxylate containing modified acrylamide polymers | — | 1987-07-14 |
| 4678840 | Phosphonic acid-containing polymer | David J. Kowalski | 1987-07-07 |
| 4676911 | Scale inhibitors which contain sulfate-containing polymers | — | 1987-06-30 |
| 4659828 | Dimethyl sulfate quaternary ammonium salt of 1-acryloyl-4-methyl piperazine | — | 1987-04-21 |
| 4657679 | AMPIQ copolymers as scale inhibitors | — | 1987-04-14 |
| 4656277 | Water-soluble cationic quaternary ammonium monomers | David J. Kowalski | 1987-04-07 |
| 4650844 | Scale inhibitors for preventing calcium phosphate and other scales | — | 1987-03-17 |
| 4647381 | Scale inhibitors for preventing or reducing calcium phosphate and other scales | — | 1987-03-03 |
| 4645813 | Cationic fluoro polymers | — | 1987-02-24 |
| 4604213 | Polymers of 1-acryloyl-4-methyl piperazine, methyl chloride or sulfate quaternary salts as flocculants | Ann M. Halverson | 1986-08-05 |
| 4604431 | Chemical modification of (meth)acrylic acid homopolymers and alkyl (meth)acrylate polymers in aqueous systems with amino sulfonic acids | Claudia C. Pierce, David A. Grattan | 1986-08-05 |
| 4584105 | Scale inhibitors for preventing or reducing calcium phosphate and other scales | — | 1986-04-22 |
| 4568721 | Starch cationization | Ann M. Halverson | 1986-02-04 |
| 4546156 | Water-soluble sulfonated polymers | David J. Kowalski | 1985-10-08 |
| 4515658 | Retention aids | — | 1985-05-07 |
| 4490308 | New water-soluble sulfonated monomers | David J. Kowalski | 1984-12-25 |