The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 1997
Filed:
Feb. 20, 1996
Applicant:
Inventor:
Jonathan L Bass, Audubon, PA (US);
Assignee:
PQ Corporation, Valley Forge, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423332 ; 210681 ;
Abstract
Disclosed is a method of increasing the silica to metal oxide ratio in alkali metal silicate solutions by removing smaller size anions from the solution using a strong cation exchange resin comprising: condensing the smaller size anions as silica in the pores of the strong cation exchange resin; leaving the larger, more siliceous anions in the external solution.