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. 18, 1976
Filed:
Feb. 19, 1974
Applicant:
Inventors:
Jonathan Howard Hodgkin, Burwood, AU;
David Geoffrey Hawthorne, South Oakleigh, AU;
Jean Drummond Swift, Olinda, AU;
David Henry Solomon, Glen Waverley, AU;
Assignee:
Commonwealth Scientific and Industrial Research Organization, Campbell, AU;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106300 ; 1063 / ; 1063 / ;
Abstract
A method of modifying the surface properties of titanium dioxide pigments and fillers by forming on the particles a surface coating of an aluminium compound, the coating having a significant number of acidic sites with pKa values of less than 2.8.