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:
Sep. 29, 1998
Filed:
May. 14, 1997
Applicant:
Inventor:
Chandrashekhar P Kelkar, Allegheny County, PA (US);
Assignee:
Aristech Chemical Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423395 ; 4234202 ; 423463 ; 423464 ; 423465 ; 423554 ;
Abstract
The present invention is one-step method for synthesizing a synthetic anion intercalated hydrotalcite material. The method comprises reacting an aluminum source with a magnesium source in the presence of an inorganic acid of the anion to be intercalated, and in the absence of a Group IA metal source. The resulting slurry can be dried to form the final product.