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. 23, 2002
Filed:
Mar. 27, 2000
Applicant:
Inventor:
Hakan Vangbo, Jarfalla, SE;
Assignee:
AB Carl Munters, Sollentuna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/3157 ;
U.S. Cl.
CPC ...
C01B 3/3157 ;
Abstract
A method for stabilizing silica gel wherein after the gel is precipitated it is treated in a solution consisting of a liquid which is preferably water, aluminium sulphate and a compound such as a carbonate, hydroxide or oxide of a divalent metal.