Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447914 | Removal of stickies in the recycling of paper and paperboard | Steven W. Sheppard | 2022-09-20 |
| 8815051 | Deinking of waste paper | Steven W. Sheppard | 2014-08-26 |
| 8052837 | Deinking of waste paper | Steven W. Sheppard | 2011-11-08 |
| 6200377 | Process for beneficiation of mixtures of mineral particles | J. Michael Randolph | 2001-03-13 |
| 6186335 | Process for beneficiating kaolin clays | Lee Ann Arrington-Webb, Robert A. Lowe, Chris B. Maxwell, Prakash B. Malla, Amy C. Semratedu | 2001-02-13 |
| 6041939 | Beneficiation with selective flocculation using hydroxamates | Joseph C. S. Shi, Charles Lamar Williams, Robert A. Lowe | 2000-03-28 |
| 5670056 | Chemical-mechanical dewatering process | Roe-Hoan Yoon | 1997-09-23 |