Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248182 | Mannich derivatives of epoxy-novolac resins and methods of using the same | Hong Ding, Yi J. Warburton | 2001-06-19 |
| 6126837 | Method for removing suspended particles using mannich-derived polyethers | Joseph P. Miknevich | 2000-10-03 |
| 6090905 | Compositions and methods for controlling stickies | Walter A. Juzukonis | 2000-07-18 |
| 5972433 | Method for treatment of metal substrates using Mannich-derived polyethers | Yi J. Warburton, Hong Ding | 1999-10-26 |
| 5609862 | Ampholyte teropolymers providing superior conditioning properties in shampoos and other hair care products | Craig W. Vaughan | 1997-03-11 |
| 5358642 | Polyether polyamino methylene using phosphonates method for high pH scale control | Gary F. Matz | 1994-10-25 |
| 5338477 | Polyether polyamino methylene phosphonates for high pH scale control | Gary F. Matz | 1994-08-16 |
| 5296218 | Ampholyte terpolymers providing superior conditioning properties in shampoos and other hair care products | Craig W. Vaughan | 1994-03-22 |
| 5275809 | Ampholyte terpolymers providing superior conditioning properties in shampoos and other hair care products | Craig W. Vaughan | 1994-01-04 |
| 5259974 | N,N-bis(phosphonomethyl)-2-amino-1-propanol, derivatives and corresponding lower alkyl ethers and N-oxides thereof for high PH scale control | Gary F. Matz, Raymond J. Schaper | 1993-11-09 |
| 5015390 | Method for controlling scale deposition in aqueous systems using quaternary ammonium/maleic anhydride-type polymers | Craig W. Vaughan | 1991-05-14 |
| 5000856 | Method for controlling scale deposition in aqueous systems using allyl sulfonate/maleic anhydride polymers | Craig W. Vaughan | 1991-03-19 |
| 4816508 | Stabilized cationic acrylate or methacrylate polymer admixtures | — | 1989-03-28 |
| 4726906 | Polymers for use as filtration control aids in drilling muds | Christine A. Costello, Gary F. Matz | 1988-02-23 |
| 4652623 | Polymers for use as filtration control aids in drilling muds | Christine A. Costello, Gary F. Matz | 1987-03-24 |
| 4618448 | Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control | Charles Y. Cha, Richard G. Varsanik | 1986-10-21 |