ASEC Manufacturing
12Patents
0Active
12Granted
29Portfolio score
Filing activity: Jun 7, 1995 → May 21, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6326329A | Highly dispersed substantially uniform mixed-metal-oxide composite supports for exhaust conversion catalysts | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5849255A | Treatment of diesel exhaust gas using zeolite catalyst | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6087295A | Reduction of NO.sub.x in the exhaust gases from internal combustion engines containing excess oxygen | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5897846A | Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and method of treating diesel engine exhaust gas with same | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5908806A | Copper-silver zeolite catalysts | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5968466A | Copper-silver zeolite catalysts in exhaust gas treatment | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5672557A | Paladium-containing three-way automotive catalysts having unique support | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5741467A | Palladium catalyst washcoat supports for improved methane oxidation in natural gas automotive emission catalysts | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5980844A | SO.sub.2 -tolerant silver oxide catalysts | Performing Operations; Transporting | 9 | Expired |
| US6235255A | Catalyst support having zeolite with high sodium back ion-exchange capacity and catalysts made therefrom | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6174504A | Methods of control of nitrogen oxide and hydrocarbon emissions from small engines | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5877106A | Stabilized crystalline alumina compositions | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.