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. 01, 2014
Filed:
Oct. 14, 2005
Applicants:
Jun Wang, Worcester, MA (US);
Andrew G. Haerle, Sutton, MA (US);
Inventors:
Jun Wang, Worcester, MA (US);
Andrew G. Haerle, Sutton, MA (US);
Assignee:
Saint-Gobain Ceramics & Plastics, Inc., Worcester, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/14 (2006.01); C01F 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An abrasive particulate material is disclosed that includes alumina particles. The alumina particles include a transition alumina and at least 5.0 wt % of an amorphous phase. The transition alumina particles also have a density not greater than about 3.20 g/cm.