| Application number | Title of the application | Filing Date | Status |
|---|
| 07/303287 | CATALYST FOR PURIFYING EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES | Jan 29, 1989 | Abandoned |
| 07/302505 | CATALYST FOR PURIFICATION OF EXHAUST GAS AND PROCESS FOR PRODUCTION THEREOF | Jan 25, 1989 | Abandoned |
| 07/300229 | COMPOSITION | Jan 22, 1989 | Abandoned |
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