HK1007977A1 - Porous amorphous silica-alumina refractory oxides their preparation and use as separation membranes - Google Patents

Porous amorphous silica-alumina refractory oxides their preparation and use as separation membranes

Info

Publication number
HK1007977A1
HK1007977A1 HK98107277A HK98107277A HK1007977A1 HK 1007977 A1 HK1007977 A1 HK 1007977A1 HK 98107277 A HK98107277 A HK 98107277A HK 98107277 A HK98107277 A HK 98107277A HK 1007977 A1 HK1007977 A1 HK 1007977A1
Authority
HK
Hong Kong
Prior art keywords
preparation
amorphous silica
separation membranes
refractory oxides
alumina refractory
Prior art date
Application number
HK98107277A
Inventor
Stephen David Jones
Timothy Neil Pritchard
Original Assignee
British Gas Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB9507518A external-priority patent/GB2287460B/en
Application filed by British Gas Plc filed Critical British Gas Plc
Priority to HK98107277A priority Critical patent/HK1007977A1/en
Publication of HK1007977A1 publication Critical patent/HK1007977A1/en

Links

HK98107277A 1992-06-02 1998-06-27 Porous amorphous silica-alumina refractory oxides their preparation and use as separation membranes HK1007977A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HK98107277A HK1007977A1 (en) 1992-06-02 1998-06-27 Porous amorphous silica-alumina refractory oxides their preparation and use as separation membranes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9507518A GB2287460B (en) 1992-06-02 1992-06-02 Porous amorphous silica-alumina refractory oxides,their preparation and use as separation membranes
GB9211617A GB2267486B (en) 1992-06-02 1992-06-02 Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes
HK98107277A HK1007977A1 (en) 1992-06-02 1998-06-27 Porous amorphous silica-alumina refractory oxides their preparation and use as separation membranes

Publications (1)

Publication Number Publication Date
HK1007977A1 true HK1007977A1 (en) 1999-04-30

Family

ID=27266221

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98107277A HK1007977A1 (en) 1992-06-02 1998-06-27 Porous amorphous silica-alumina refractory oxides their preparation and use as separation membranes

Country Status (1)

Country Link
HK (1) HK1007977A1 (en)

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)