Chemistry of inorganic compounds – Silicon or compound thereof – Elemental silicon
Reexamination Certificate
2011-04-12
2011-04-12
Ward, Jessica L (Department: 1735)
Chemistry of inorganic compounds
Silicon or compound thereof
Elemental silicon
C423S324000, C423S349000, C423S350000
Reexamination Certificate
active
07922989
ABSTRACT:
A method for preparation of high purity silicon suitable for photovoltaic cells using reduction of silica, which is pre-purified in an aqueous solution, in presence of a reducing agent, preferably carbonaceous agent, where the pre-purified silica has a low amount of boron suitable for photovoltaic cells is described.
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Baker & Botts LLP
Ward Jessica L
Wartalowicz Paul A
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