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:
Mar. 10, 2009
Filed:
Jan. 06, 2004
Yeshwanth Narendar, Westford, MA (US);
Richard F. Buckley, Shrewsbury, MA (US);
Yeshwanth Narendar, Westford, MA (US);
Richard F. Buckley, Shrewsbury, MA (US);
Saint-Gobain Ceramics & Plastics, Inc., Worcester, MA (US);
Abstract
A high purity ceramic article having a typical pore size of at least about 15 μm and an active impurity concentration of less than about 400 ppm can be prepared by molding ceramic powder, sintering to vaporize any active impurity components, washing to dissolve any remaining active impurity components with an acid solution, and oxidizing to remove any residual active impurity components.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile