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:
May. 13, 2003
Filed:
Feb. 20, 2001
Applicant:
Inventors:
M. Kamal Akhtar, Ellicot City, MD (US);
Eric J. Eller, Laurel, MD (US);
Nancy L. Fitzgerald, Severna Park, MD (US);
Matthew E. Jamison, Jefferson, OH (US);
John R. Snider, Annapolis, MD (US);
Assignee:
Millennium Inorganic Chemicals, Inc., Hunt Valley, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 2/3047 ;
U.S. Cl.
CPC ...
C01G 2/3047 ;
Abstract
The present invention provides methods of producing substantially anatase-free titanium dioxide by mixing titanium tetrachloride with a silicon compound to form an admixture, and introducing the admixture and oxygen into a reaction zone to produce the substantially anatase-free titanium dioxide. The reaction zone has a pressure of greater than 55 psig.