Iron oxides of reduced chloride content

Details Iron oxides of reduced chloride content Iron oxides of reduced chloride content

2005-03-08

2005-03-08

Nguyen, Ngoc-Yen (Department: 1754)

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C423S633000, C423S634000, C423S150100

Reexamination Certificate

active

06863877

ABSTRACT:
A process for removing chloride from chloridic iron oxide comprises mixing said chloridic iron oxide with an acid and subsequently conducting a thermal treatment at from 50 to 1300° C.

REFERENCES:
patent: 1837709 (1931-12-01), Heckman
patent: 5401485 (1995-03-01), Hamilton, Jr.
patent: 5597547 (1997-01-01), Hamilton, Jr.
patent: 2020306 (1991-01-01), None
patent: 0 406 633 (1991-01-01), None
patent: 1 027 928 (2000-08-01), None
patent: WO 9525069 (1995-09-01), None
patent: WO 9632355 (1996-10-01), None
Handbook of Chemistry and Physics, 52nd ed., 1971-1972, p. D-222.

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