Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340555 | Process for treating halogenated hydrocarbon containing-gas, an apparatus therefor and an agent for decomposing halogenated hydrocarbon | Naomi Itoya | 1994-08-23 |
| 5132474 | Method of recovering hydrocarbon halide | — | 1992-07-21 |
| 4391945 | Chelate resin prepared by reacting butane-1,2,3,4-tetra-carboxylic acid or anhydride with polyethylene polyamine | Shuji Kitamura | 1983-07-05 |