Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198756 | Blend for curing epoxy resin composistions | Hui Zhou, David C. Lewis, Howard P. Klein, Robert A. Grigsby, Jr., Feixia Chen | 2021-12-14 |
| 9067865 | Etheramines and their use as intermediates for polymer synthesis | Howard P. Klein, Terry L. Renken, Martin Renner, Bruce L. Burton | 2015-06-30 |
| 9054313 | Etheramines containing flexible and rigid segments and their use as intermediates for polymer synthesis | Howard P. Klein, Terry L. Renken, Martin Renner, Bruce L. Burton | 2015-06-09 |
| 6482270 | Paint and coating remover | James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum | 2002-11-19 |
| 6479593 | Absorbent polymer modification | John H. Clements, Howard P. Klein, Edward T. Marquis, James R. Machac, Jr. | 2002-11-12 |
| 6239090 | Thickened paint and coating remover | Edward T. Marquis, Robert E. Baldwin, James R. Machac, Jr., Susan A. Woodrum | 2001-05-29 |
| 6159915 | Paint and coating remover | James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum | 2000-12-12 |