Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994429 | Active material useful as adsorbent comprising metal oxide/hydroxide particles reacted with phosphorus-containing organic acid group of organic compound having unreacted acid group | Karl Wefers, Kathryn Cross, Edward S. Martin | 1991-02-19 |
| 4983566 | Surface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acids | Karl Wefers, Kathryn Cross, Edward S. Martin | 1991-01-08 |
| 4962073 | Surface treated porous ceramic membranes and method of making same | Edward S. Martin | 1990-10-09 |
| 4957890 | Surface treated permeable inorganic membranes and method of making same | Karl Wefers, Kathryn Cross, Edward S. Martin, H. Philip Hsieh, William H. Quayle | 1990-09-18 |
| 4929589 | Metal oxide/hydroxide particles coated with phosphate esters | Edward S. Martin | 1990-05-29 |
| 4904634 | Active material useful as adsorbent comprising metal oxide/hydroxide surfaces reacted with one or more phosphorous-containing materials having selected organic radicals attached thereto | Karl Wefers, Kathryn Cross, Edward S. Martin | 1990-02-27 |
| 4871711 | Active material produced from metal oxide/hydroxide particles and phosphate esters | Edward S. Matin | 1989-10-03 |
| 4788176 | Adsorbent comprising metal oxide/hydroxide particles reacted with one or more phosphorous-containing materials having selected organic radicals attached thereto | Karl Wefers, Kathryn Cross, Edward S. Martin | 1988-11-29 |
| 4786628 | Chromatographic packings comprising metal oxide/hydroxide reacted with phosphonic acid | John W. Novak, Jr., Christine M. Conroy, Karl Wefers | 1988-11-22 |
| 4781982 | Surface treating mineral particles to reduce halide adsorption | Lawrence L. Musselman | 1988-11-01 |