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:
Aug. 27, 2019
Filed:
Apr. 13, 2012
Applicants:
Jitendra S. Goela, Andover, MA (US);
Nathaniel E. Brese, Hopkinton, MA (US);
Inventors:
Jitendra S. Goela, Andover, MA (US);
Nathaniel E. Brese, Hopkinton, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G 9/08 (2006.01);
U.S. Cl.
CPC ...
C01G 9/08 (2013.01); C01P 2006/80 (2013.01);
Abstract
Low scatter water clear zinc sulfide with reduced metal contamination is prepared by cleaning an inert foil with an acid cleaning method and also cleaning zinc sulfide to reduce metal contamination. The zinc sulfide is wrapped in the inert foil and then treated by a HIP process to provide a water-clear zinc sulfide. The low scatter water-clear zinc sulfide may be used in articles such as windows and domes.