Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D857156 | Chemical tablet for aquatic systems | — | 2019-08-20 |
| 9884822 | Process for the preparation of 1-hydroxy-6-substituted pyridones | David A. Steele, John J. Jardas | 2018-02-06 |
| 9820481 | Encapsulation of active ingredients and method of making | Lianjun Shi | 2017-11-21 |
| 9079857 | Process for preparing alkali metal pyrithione and its polyvalent metal complexes from pyridine oxide | John J. Jardas, Richard H. Dumas, David Lei | 2015-07-14 |
| 6162446 | In-situ generation of zinc pyrithione in personal care compositions | George Polson | 2000-12-19 |
| 6017936 | Method for producing particles of pyrithione salts and particles so produced | George Polson, Richard H. Dumas | 2000-01-25 |
| 5929132 | Process for incorporating biocides into a liquid dispersion | Cynthia M. Ward | 1999-07-27 |
| 5675013 | 1-hydroxy-6-substituted pyridine-2-ones and 1-hydroxy-6-substituted pyridine-2-thiones for biocidal use | Phillip T. Berkowitz | 1997-10-07 |
| 5639803 | Process for incorporating biocides into a liquid dispersion | Bruce B. Anderson | 1997-06-17 |
| 5468864 | Process for preparing 2,6-dichloropyridine | Richard H. Dumas, David F. Gavin, Charles H. Harrison, Michael A. Kennedy, Henry W. Schiessl +2 more | 1995-11-21 |
| 5424435 | 1-hydroxy-6-substituted-2-pyridones | Phillip T. Berkowitz | 1995-06-13 |
| 5384405 | Process for making N-hydroxyl-2-thio-ouinazolin-4-ones | Phillip T. Berkowitz, John L. Peterson | 1995-01-24 |
| 5342437 | Gel-free paint containing zinc pyrithione cuprous oxide and carboxylic acid | David F. Gavin, Craig Waldron, Douglas A. Farmer, Jr. | 1994-08-30 |
| 5319000 | Process for stable biocide dispersion | James M. O'Connor, Craig Waldron | 1994-06-07 |
| 5319068 | Nitramine-containing polyether polymers and a process for the preparation thereof | Roger W. Day | 1994-06-07 |
| 5298249 | Compositions comprising N-hydroxyquinazolinone and 2-N-hydroxythiourea benzoate compounds as biocides | Phillip T. Berkowitz, John L. Peterson | 1994-03-29 |
| 5298061 | Gel-free paint containing zinc pyrithione, cuprous oxide, and amine treated rosin | Craig Waldron, Douglas A. Farmer, Jr. | 1994-03-29 |
| 5252123 | Gel-free paint containing cuprous oxide plus 2,2'-dithiobis (pyridine-1-oxide) compound | Craig Waldron, Douglas A. Farmer, Jr. | 1993-10-12 |
| 5246489 | Process for generating copper pyrithione in-situ in a paint formulation | Douglas A. Farmer, Jr., Craig Waldron | 1993-09-21 |
| 5238490 | Process for generating copper pyrithione in-situ in a paint formulation | Douglas A. Farmer, Jr., Craig Waldron | 1993-08-24 |
| 5232493 | Process for stabilizing zinc pyrithione plus cuprous oxide in paint | Craig Waldron, Douglas A. Farmer, Jr., Charles E. Branch | 1993-08-03 |
| 5185033 | Gel-free paint containing copper pyrithione or pyrithione disulfide plus cuprous oxide | Craig Waldron, Douglas A. Farmer, Jr. | 1993-02-09 |
| 5137569 | Process for stabilizing zinc pyrithione plus cuprous oxide in paint | Craig Waldron, Douglas A. Farmer, Jr. | 1992-08-11 |
| 5112397 | Process for stabilizing zinc pyrithione plus cuprous oxide in paint | Douglas A. Farmer, Jr., Craig Waldron | 1992-05-12 |
| 5098473 | Process for stabilizing zinc pyrithione plus cuprous oxide in paint | Craig Waldron, Douglas A. Farmer, Jr. | 1992-03-24 |