Patrick Barber - •"Procedure to Prepare Transparent Silica Gels" by Patrick G. Barber and Norman R. Simpson.  United States Patent #4,696,808. (29 September 1987).

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      Publication Details (including relevant citation   information): •"Procedure to Prepare Transparent Silica   Gels" by Patrick G. Barber and Norman R. Simpson. United States   Patent #4,696,808. (29 September 1987).

      Abstract: null

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