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. 18, 1989
Filed:
Mar. 06, 1987
Applicant:
Inventor:
Richard B Wilhelmy, Apollo, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423629 ; 2101982 ; 210656 ; 210263 ; 2330 / ;
Abstract
Disclosed is generally spherical aluminum hydroxide particles comprised of solid crystals of aluminum hydroxide, the crystals extending radially outwardly from a central core region and having a shape selected from lamellar and acicular, the particle density ranging from 0.3 to 2.5 gms/cc.