Mixed Cr.sub.2 O.sub.3 paste for CrO.sub.2 synthesis

Details Mixed Cr.sub.2 O.sub.3 paste for CrO.sub.2 synthesis Mixed Cr.sub.2 O.sub.3 paste for CrO.sub.2 synthesis

1987-01-28

1988-05-31

Cooper, Jack

Compositions

Magnetic

Chromium or chromium compound containing

423607, C01G 37027

Patent

active

047479744

ABSTRACT:
Chromic acid and inexpensive, coarse grained Cr.sub.2 O.sub.3 are dissolved in water prior to adding more costly fine grained Cr.sub.2 O.sub.3 to produce chrome pastes which are more economical than pastes prepared by prior art techniques employing only fine grained Cr.sub.2 O.sub.3. The pastes are equivalent to prior art pastes when reacted to form chromium dioxide.

REFERENCES:
patent: 3278263 (1966-10-01), Cox
patent: 4045544 (1977-08-01), Williston et al.
patent: 4524008 (1985-06-01), Chen

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