Title:
【発明の名称】キユウジヨウシリカリユウシノ セイゾウホウホウ
Document Type and Number:
Japanese Patent JPS5823329
Kind Code:
B2
Abstract:
1525386 Epoxidation SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 4 Nov 1975 [6 Nov 1974] 47991/74 Heading C2C [Also in Division C1] Epoxidation of propylene or alkyl chloride with an organic hydroperoxide is carried out by contracting the reactants in the liquid phase, preferably at elevated temperature and pressure in the presence of a catalyst comprising at least one metal selected from the group Mo, W, Ti, Zr and V, supported on globular silica particles having high water resistance and bulk crushing strength (as defined) which are made by:- (a) mixing an aqueous alkali metal silicate with an aqueous acid; (b) converting the hydrosol into droplets; (c) gelling the droplets in a liquid immiscible with water; (d) removing at least 25% of the water from the hydrogel by evaporation ; (e) decreasing the alkali metal content of the particles in an aqueous medium to less than 1 wt. per cent and (f) drying and calcining.
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Inventors:
MARUCHINUSU YAN ROODEUEIKU UAN BEEMU
NAIJERU WAGUSUTATSUFU
NAIJERU WAGUSUTATSUFU
Application Number:
JP13156675A
Publication Date:
May 14, 1983
Filing Date:
November 04, 1975
Export Citation:
Assignee:
SHERU INTERN RISAACHI MAACHATSUPII NV
International Classes:
A61K35/00; B01J2/08; B01J21/00; B01J21/08; B01J23/84; B01J35/08; C01B33/12; C01B33/154; C01B33/16; C01B33/187; C07D301/19; C10G45/04; C10G45/08; (IPC1-7): C01B33/12; C01B33/157
Attorney, Agent or Firm:
Kawahara Kazuho