Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750035 | Process for dye removal | Paul W. Shepperd, III, Robert J. Cundiff | 1998-05-12 |
| 5611934 | Process for dye removal | Paul W. Shepperd, III, Robert J. Cundiff | 1997-03-18 |
| 4882140 | Solid aluminum hydroxide compositions | — | 1989-11-21 |
| 4826606 | Manufacture and use of polymer modified aluminum hydroxide and basic aluminum sulfate | John B. Lukas | 1989-05-02 |
| 4795585 | Polyvinyl alcohol containing polyaluminum chloride flocculants | — | 1989-01-03 |
| 4650827 | Stable water-in-oil emulsions | Benjamin Shultes | 1987-03-17 |
| 4617362 | Inverse emulsion polymers with improved incorporation of diallyldimethylammonium chloride | Eric H. Larson | 1986-10-14 |
| 4534866 | Deposit control method | — | 1985-08-13 |
| 4479878 | High calcium tolerant deposit control method | — | 1984-10-30 |
| 4446028 | Isopropenyl phosphonic acid copolymers used to inhibit scale formation | — | 1984-05-01 |
| 4446046 | Poly (alkenyl) phosphonic acid and methods of use thereof | — | 1984-05-01 |
| 4253912 | Deposit control through the use of oligomeric phosphonic acid derivatives | Philip S. Davis, Ian D. Morrison | 1981-03-03 |
| 4253969 | Deposit control through the use of oligomeric phosphonic acid derivatives | Philip S. Davis, Ian D. Morrison | 1981-03-03 |
| 4254063 | Method for preparing oligomeric ester chain condensates of substituted 1-hydroxy-1,1-diphosphonic acid | — | 1981-03-03 |
| 4237005 | Method of breaking oil-in-water emulsions | — | 1980-12-02 |
| 4201669 | Deposit control through the use of oligomeric phosphonic acid derivatives | Philip S. Davis, Ian D. Morrison | 1980-05-06 |
| 4190615 | Oligomeric ester chain condensates of substituted 1-hydroxy-1,1-diphosphonic acid | — | 1980-02-26 |