Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10066124 | Method of reducing scale in the bayer process | Douglas A. Cywar, Chester J. Calbick, Dannon Stigers, Matthew Taylor | 2018-09-04 |
| 7763698 | Composition for preventing or reducing aluminosilicate scale in industrial processes | Donald P. Spitzer, Alan S. Rothenberg, Howard I. Heitner | 2010-07-27 |
| 7442755 | Polymers for preventing or reducing aluminosilicate scale in a bayer process | Donald P. Spitzer, Alan S. Rothenberg, Howard I. Heitner | 2008-10-28 |
| 7390415 | Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes | Donald P. Spitzer, Alan S. Rothenberg, Howard I. Heitner | 2008-06-24 |
| 6814873 | Method of preventing or reducing aluminosilicate scale in a bayer process | Donald P. Spitzer, Alan S. Rothenberg, Howard I. Heitner | 2004-11-09 |
| 5733459 | Use of hydroxamated polymers to alter bayer process scale | Alan S. Rothenberg, Peter V. Avotins, Robert W. Cole | 1998-03-31 |
| 5733460 | Use of hydroxamated polymers to alter Bayer Process scale | Alan S. Rothenberg, Peter V. Avotins, Robert W. Cole | 1998-03-31 |
| 5306166 | Chip storage insertion guide | Luis Arreola | 1994-04-26 |
| 4646159 | Unitary CRT display assembly | Gregory J. Beaumont, Casimir J. Duval, Michael Tamkin | 1987-02-24 |