Method for the preparation of electrically conductive tin-IV-oxi

Details Method for the preparation of electrically conductive tin-IV-oxi Method for the preparation of electrically conductive tin-IV-oxi

1992-08-25

1993-09-21

Bell, Mark L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

106401, 423618, H01B 106

Patent

active

052466230

ABSTRACT:
A method for the production of electrically conductive tin-IV-oxide of fine particle size is disclosed. Pursuant to the method, tin oxide and/or tin oxide hydrate is precipitated on a dihydroxy-tin-dichloride solution containing fluoride ions as doping agents. The precipitation is accomplished by adding alkali metal hydroxide, ammonium hydroxide, alkali metal carbonate or ammonium carbonate and the tin oxide and/or tin oxide hydrate is separated from the aqueous medium. The separated product is then calcined. The invention also discloses the use of the fluoride-doped tin-IV-oxide by adding it to the various vehicles.

REFERENCES:
patent: 5032319 (1991-07-01), Ruf
patent: 5085805 (1992-02-01), Ruf
patent: 5116468 (1992-05-01), Giersberg et al.

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