Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803109 | Water-and oil-repellency imparting urethane oligomers comprising perfluoroalkyl moieties | Zai-Ming Qiu, John C. Clark | 2004-10-12 |
| 6689854 | Water and oil repellent masonry treatments | Steven J. Martin | 2004-02-10 |