Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-04-06
1978-05-30
Gantz, Delbert E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07C 120
Patent
active
040923720
ABSTRACT:
A solid catalyst comprising (1) silver ion, (2) aluminum oxide and (3) silicon oxide, which may further comprise, as the fourth ingredient(s), the oxide and/or ion of one or more of transition elements, alkaline earth metals, boron, thallium, tin, lead and phosphorus gives a high yield of isoprene in the reaction of isobutylene and formaldehdye and has a prolonged catalytic activity.
REFERENCES:
patent: 3207700 (1965-09-01), Saffer
patent: 3253051 (1966-05-01), Yanagita et al.
patent: 3662016 (1972-05-01), Furuoya et al.
patent: 3664970 (1972-05-01), De Maio
Furuoya Itsuo
Kobayashi Atsuo
Ogino Katsuhiko
Gantz Delbert E.
Takeda Chemical Industries Ltd.
Thierstein J.
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