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:
Feb. 24, 2009
Filed:
Aug. 21, 2003
Applicants:
Eugene A. Pruss, Hamburg, NY (US);
Thomas M. Clere, Orchard Park, NY (US);
Inventors:
Eugene A. Pruss, Hamburg, NY (US);
Thomas M. Clere, Orchard Park, NY (US);
Assignee:
Saint-Gobain Ceramics & Plastics, Inc., Worcester, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/064 (2006.01);
U.S. Cl.
CPC ...
Abstract
Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source.