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:
Jun. 15, 1976
Filed:
Sep. 16, 1974
Applicant:
Inventors:
Jean Drummond Swift, Olinda, AU;
David Geoffrey Hawthorne, South Oakleigh, AU;
Bryan Clarence Loft, Strathmore, AU;
David Henry Solomon, Glen Waverley, AU;
Assignee:
Commonwealth Scientific and Industrial Research Organization, Campbell, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
1063 / ; 1063 / ; 1063 / ; 260 4214 ; 260 4229 ;
Abstract
A method of modifying the surface properties of particulate mineral materials by forming on the surface of the particles a coating having a significant number of acidic sites with pKa values of less than 2.8.