Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083579 | Composition for absorbing nitrogen oxide from tobacco smoke, method for absorbing nitrogen oxide using said composition, filter for purifying tobacco smoke using said composition, and method for impregnating the base of a filter with said composition | Anatoly F. Vanin, Petr I. Mordvintsev, Ljudmila N. Kubrina, Elizar Y. Kaplan, Leonid Y. Sinelnikov | 1992-01-28 |