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.:

US 7375044 B1

PDF
Full Text
Expired
Date of Patent:
May. 20, 2008

Filed:

Jan. 03, 2007
Applicants:

Russell L. Yeckley, Latrobe, PA (US);

Shanghua Wu, Latrobe, PA (US);

Inventors:

Russell L. Yeckley, Latrobe, PA (US);

Shanghua Wu, Latrobe, PA (US);

Assignee:

Kennametal Inc., Latrobe, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/563 (2006.01); C04B 35/117 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for making a ceramic body that includes the following steps: providing a starting powder mixture, the starting powder mixture comprises between about 15 volume percent and about 35 volume percent boron carbide powder and at least about 50 volume percent alumina powder and no more than about 5 volume percent of a sintering aid; and consolidating the powder mixture at a temperature equal to between about 1400 degrees Centigrade and 1850 degrees Centigrade to achieve a ceramic with a density equal to greater than 99 percent of theoretical density.


Find Patent Forward Citations

Yeckley, Russell. (2008). Process for making a ceramic body containing alumina and boron carbide (U.S. Patent No. 7375044). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7375044

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…