Composition and method for improved aluminum hydroxide...

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

Reexamination Certificate

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C423S111000, C423S127000

Reexamination Certificate

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07976821

ABSTRACT:
An improved method and composition for producing aluminum hydroxide crystals from precipitation liquor, involves the addition of an emulsified crystal growth modifier comprising a C8-C10fatty acid, precursors, salts or blends thereof. The emulsified crystal growth modifier also facilitates an upward shift in particle size distribution of aluminum hydroxide and an upward shift in oxalate ball size.

REFERENCES:
patent: 4737352 (1988-04-01), Owen et al.
patent: 6168767 (2001-01-01), Welton et al.

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