Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2011-07-12
2011-07-12
Silverman, Stanley (Department: 1736)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S111000, C423S127000
Reexamination Certificate
active
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.
Counter James A
Kouznetsov Dmitri L
Liu Jianjun
Slinkman David H
Bishop Joshua D.
Fiorito James A
Martin Michael B.
Nalco Company
Silverman Stanley
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