Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124289 | Surface treated permeable inorganic membranes and process of making same | Edward S. Martin, Larry F. Wieserman, Karl Wefers | 1992-06-23 |
| 5037795 | Chromatographic packing material comprising extended area metal oxide/hydroxide particles with a layer of a phosphorus-containing material thereon | Larry F. Wieserman, Karl Wefers, Edward S. Martin | 1991-08-06 |
| 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 | Larry F. Wieserman, Karl Wefers, Edward S. Martin | 1991-02-19 |
| 4983566 | Surface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acids | Larry F. Wieserman, Karl Wefers, Edward S. Martin | 1991-01-08 |
| 4957890 | Surface treated permeable inorganic membranes and method of making same | Larry F. Wieserman, Karl Wefers, Edward S. Martin, H. Philip Hsieh, William H. Quayle | 1990-09-18 |
| 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 | Larry F. Wieserman, Karl Wefers, Edward S. Martin | 1990-02-27 |
| 4788176 | Adsorbent comprising metal oxide/hydroxide particles reacted with one or more phosphorous-containing materials having selected organic radicals attached thereto | Larry F. Wieserman, Karl Wefers, Edward S. Martin | 1988-11-29 |