Production of tetrabasic lead sulfate from solid state...

Details Production of tetrabasic lead sulfate from solid state... Production of tetrabasic lead sulfate from solid state...

2007-11-09

2008-12-02

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

C429S227000, C429S228000, C029S623100, C029S623500

Reexamination Certificate

active

07459140

ABSTRACT:
A solid state reaction method for the production of tetrabasic lead sulfate includes the steps of mixing a stoichiometric mixture of 4PbO and PbCO3and H2SO4and heating the stoichiometric mixture of 4PbO and PbCO3and H2SO4at a temperature between 500 and 700° C. for 3 to 8 hours. The method also includes the steps of deagglomerating and sieving resulting tetrabasic lead sulfate.

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Search Report by European Patent Office for International Application No. PCT/IB2005/002373; date of mailing Oct. 24, 2005.

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