Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-03-25
1977-09-20
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252463, 252464, 252465, 252466J, B01J 2104, B01J 2342, B01J 2344
Patent
active
040495825
ABSTRACT:
Improved methods for reducing the amounts of hydrocarbon, carbon monoxide and nitrogen oxides in the exhaust gases of internal combustion engines involving the use of catalysts comprising a major amount of crystalline magnesium aluminate spinel. Improved catalysts as well as improved methods for making the present catalyst are also included.
REFERENCES:
patent: 2071119 (1967-02-01), Harger
patent: 3791992 (1974-02-01), Feldwick
Erickson Henry
Mooi John
Atlantic Richfield Company
Goodman John B.
Shine W. J.
Uxa Frank J.
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