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:
Dec. 30, 1980
Filed:
Sep. 04, 1979
Applicant:
Inventors:
Stanley L Hem, West Lafayette, IN (US);
Joe L White, Lafayette, IN (US);
Assignee:
Purdue Research Foundation, West Lafayette, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; A01N / ; A61K / ; C01F / ;
U.S. Cl.
CPC ...
424157 ; 424156 ; 4234 / ; 423427 ; 423630 ;
Abstract
Dried amorphous aluminum hydroxide gels having substantial acid reacting capability over an extended period of time are prepared by drying the gel after contacting the aqueous liquid gel with an inert organic solvent of sufficient solubility in water to replace water in the gel. The dried gel product and pharmaceutical compositions comprising the gel are also novel.