Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-05-16
1978-11-14
Dees, Carl
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252476, B01J 2906, B01J 2302
Patent
active
041254830
ABSTRACT:
An improved catalyst for the dimerization of butadiene to 4-vinylcyclohexene comprises a cation-exchangeable alumino silicate having incorporated in the lattice thereof by the exchange Cu(I) ions and alkali metal ions, preferably cesium ions.
REFERENCES:
patent: 3185745 (1965-05-01), Lindsay
patent: 3444253 (1969-05-01), Reimlinger et al.
patent: 3962136 (1976-06-01), Nielsen et al.
Downing Roger S.
Joustra Annie H.
VAN Amstel Jan
Dees Carl
Shell Oil Company
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