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:
Mar. 30, 2010
Filed:
Dec. 16, 2004
Applicants:
Timothy A. Okel, Trafford, PA (US);
James R. Hahn, Midland, MI (US);
Raymond R. Ondeck, McMurray, PA (US);
Inventors:
Timothy A. Okel, Trafford, PA (US);
James R. Hahn, Midland, MI (US);
Raymond R. Ondeck, McMurray, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described is an improved process for producing chemically modified fillers by using a certain combination of functionalizing and hydrophobizing agents in an aqueous suspension of inorganic oxide having a pH of 2.5 or less and increasing the pH of the suspension after chemically treating the filler.