Compositions – X-ray or neutron shield
Patent
1976-12-20
1978-05-02
Shine, W. J.
Compositions
X-ray or neutron shield
252466PT, 4232135, B01J 2342, B01J 2344
Patent
active
040873846
ABSTRACT:
A method of lowering undesirable vehicle exhaust emissions includes preparing a catalyst for use in the exhaust stream of the vehicle. The method includes impregnating one group of alumina substrates with platinum, impregnating another group of alumina substrates with palladium, and the mixing the first and second groups of impregnated substrates.
REFERENCES:
patent: 3378334 (1968-04-01), Bloch
patent: 3741725 (1973-06-01), Graham
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