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Class Information
Number: 23/305F
Name: Chemistry: physical processes > Physical processes > Crystallization > Heavy metal or aluminum compounds > Iron compounds
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7217400 |
Preparation of iron compounds by hydrothermal conversion |
May. 15, 2007 |
| 5082582 |
Nucleating device for thermal energy storage compositions |
Jan. 21, 1992 |
| 4568352 |
Alkali metal nitrate purification |
Feb. 4, 1986 |
| 4533572 |
Process for producing varnish-bonded carbon-coated metal granules |
Aug. 6, 1985 |
| 4477323 |
Method for recovering zinc from a sulfidic zinc source |
Oct. 16, 1984 |
| 4374109 |
Manufacture of phosphosiderite iron phosphate |
Feb. 15, 1983 |
| 4233283 |
Method for manufacture of iron oxide flakes |
Nov. 11, 1980 |
| 4202871 |
Production of acicular ferric oxide |
May. 13, 1980 |
| 4169054 |
Process for concentrating and purifying aqueous sulphuric acid solutions |
Sep. 25, 1979 |
| 4057616 |
Metal hydroxide scintigraphic agents and method of preparation |
Nov. 8, 1977 |
| 4057458 |
Method of making nickel zinc ferrite by liquid-phase epitaxial growth |
Nov. 8, 1977 |
| 4055631 |
Production of iron sulfate monohydrate |
Oct. 25, 1977 |
| 3930800 |
Fluidized bed desubliming apparatus for recovery of aluminum chloride |
Jan. 6, 1976 |
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