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. 22, 2016
Filed:
Jan. 15, 2014
Applicants:
Michael Peter Winnen, Lakewood, OH (US);
Todd R. Springer, Twinsburg, OH (US);
Inventors:
Michael Peter Winnen, Lakewood, OH (US);
Todd R. Springer, Twinsburg, OH (US);
Assignee:
Momentive Performance Materials Inc., Waterford, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C03B 20/00 (2006.01); C03B 17/00 (2006.01); C03B 19/02 (2006.01); C03C 3/06 (2006.01); C03C 10/00 (2006.01);
U.S. Cl.
CPC ...
C03B 20/00 (2013.01); C03B 19/02 (2013.01); C03C 3/06 (2013.01); C03C 10/0009 (2013.01); C03B 2201/04 (2013.01); C03B 2201/075 (2013.01); C03C 2201/23 (2013.01);
Abstract
A method to form quartz glass ingots of ultra low contamination and defect levels by firing a high-purity quartz form as the feedstock, wherein the quartz glass ingot is free-formed on a platen rotating concentrically with the feedstock quartz article.