Silicoaluminophosphate, method for producing the same, and solid acid catalyst comprising the same

US9637392B2 · kind B2 · utility

Assignee

• TOSOH CORPORATION · CN

Inventors

• Hiroshi Okaniwa · Yamaguchi, JP
• Hidekazu Aoyama · Shunan, JP

Key dates

• Filing date: May 23, 2013
• Grant date: May 2, 2017
• Expiry date: Jan 17, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B39/023
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a silicoaluminophosphate represented by the following formula (1) and having a powder X-ray diffraction pattern shown in Table 1 below:(SixAlyPz)O2  (1)wherein x is the molar fraction of Si and 0.05<x≦0.15; y is the molar fraction of Al and 0.47≦y≦0.52; z is the molar fraction of P and 0.40≦z≦0.46; and x+y+z=1;