Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Treating substrate prior to coating
Reexamination Certificate
2007-01-03
2010-12-07
Mayes, Melvin C (Department: 1793)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Treating substrate prior to coating
C423S467000, C205S498000, C204S523000
Reexamination Certificate
active
07846318
ABSTRACT:
The invention relates generally to processes for the production of high-basicity and ultra-high basicity polyaluminum chlorides including aluminum chlorohydrate. The processes can produce products of a wide range of basicities and are particularly useful in producing high basicity products. The process can produce a wide range of solution concentrations and are particularly useful in producing high solution concentrations. The processes described generate high purity products, which are free of by-product salt(s). The processes described herein can also be utilized to produce enhanced efficacy polyaluminum chlorides including aluminum chlorohydrate. When compared to conventional processes for manufacturing these compounds the processes disclosed herein are unique in so far as the disclosed processes do not require aluminum metal as a starting material. The products of the processes are suitable in applications including water purification, catalysts, and antiperspirants. In addition, the invention is directed to the products prepared by the processes described herein.
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Pratt William E.
Stevens Joseph J.
Symons Peter G.
Fulbright & Jaworski
Mayes Melvin C
Nextchem, LLC
Oudenaren Sarah Van
Rothenberger Scott D.
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