Published October 8, 1991 | Version v1
Patent Metadata-only

Process for preparation of metal oxides of molybdenum or molybdenum and tungsten

Creators

Description

This paper describes a method for preparing a composition of matter comprising beta-Mo1-xWxO3, wherein O ≤ x < 1.0. It comprises: spray-freezing a solution of molybdic acid or molybdic and tungstic acids in appropriate concentrations to form a solidified material, freeze-drying the material to produce a powder, and heating the resulting powder to a temperature of about 275 degrees C to about 450 degrees C

Availability note (English)

Patent and Trademark Office, Box 9, Washington, DC 20232 (United States).

Additional details

Publishing Information

Imprint Pagination
vp.
IPC:
Int. Cl. B01J 23/28.
IPC
Int. Cl. B01J 23/28.
Patent number
US patent document 5,055,441/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
23052672
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CHEMICAL PREPARATION; MOLYBDENUM OXIDES; POWDERS; TUNGSTEN OXIDES
Descriptors DEC
CHALCOGENIDES; MOLYBDENUM COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; SYNTHESIS; TRANSITION ELEMENT COMPOUNDS; TUNGSTEN COMPOUNDS