Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Patent
1990-04-16
1991-06-11
Dees, Carl F.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
502235, 502238, 502263, B01J 2782, B01J 2108, B01J 2310
Patent
active
050232240
ABSTRACT:
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactant comprising one or more compounds having active hydrogen atoms in the presence of a catalytically effective amount of one or more lanthanum compounds comprising silicate, metasilicate and mixtures thereof. The product alkoxylates are known to be useful, for instance, as nonionic surfactants, wetting and emulsifying agents, solvents, and chemical intermediates.
REFERENCES:
patent: 2129733 (1938-09-01), Fulton et al.
patent: 2301734 (1942-11-01), Melaven et al.
patent: 4002720 (1977-01-01), Wheelock et al.
patent: 4161463 (1979-07-01), Myers et al.
Dees Carl F.
McCollough Pamela J.
Shell Oil Company
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