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:
Nov. 04, 2014
Filed:
Jul. 02, 2012
Nathan J. Cassingham, Euclid, OH (US);
Ben Matthew Gauthier, University Heights, OH (US);
Martin Panchula, Eastlake, OH (US);
Robert Stephen Pavlik, Corning, NY (US);
Yan Zhou, Gates Mills, OH (US);
Konstantin S. Zuyev, Plymouth, MN (US);
Nathan J. Cassingham, Euclid, OH (US);
Ben Matthew Gauthier, University Heights, OH (US);
Martin Panchula, Eastlake, OH (US);
Robert Stephen Pavlik, Corning, NY (US);
Yan Zhou, Gates Mills, OH (US);
Konstantin S. Zuyev, Plymouth, MN (US);
Momentive Performance Materials, Inc., Waterford, NY (US);
Abstract
The invention relates to a silica glass compound having improved physical and chemical properties. In one embodiment, the present invention relates to a silica glass having a desirable brittleness in combination with a desirable density while still yielding a glass composition having a desired hardness and desired strength relative to other glasses. In another embodiment, the present invention relates to a silica glass composition that contains at least about 85 mole percent silicon dioxide and up to about 15 mole percent of one or more dopants selected from F, B, N, Al, Ge, one or more alkali metals (e.g., Li, Na, K, etc.), one or more alkaline earth metals (e.g., Mg, Ca, Sr, Ba, etc.), one or more transition metals (e.g., Ti, Zn, Y, Zr, Hf, etc.), one or more lanthanides (e.g., Ce, etc.), or combinations of any two or more thereof.