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. 10, 2001
Filed:
Apr. 13, 1999
Applicant:
Inventors:
Daniel W. Berisko, Coraopolis, PA (US);
Manyam Babu, Upper St. Clair, PA (US);
Assignee:
Dravo Lime, Inc., Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C01F 5/22 ; C01F 5/40 ; C01F 5/42 ;
U.S. Cl.
CPC ...
C01F 5/22 ; C01F 5/40 ; C01F 5/42 ;
Abstract
Magnesium hydroxide of high purity, having a fine particle size suitable for use in flame retardants and other high-end uses, is produced by utilizing flue gas desulfurization system process slurry as feedstock; the production process is absent energy-intensive steps as well as high-cost chemical usage.