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:
Oct. 20, 2015
Filed:
Nov. 02, 2012
Applicant:
Gtat Corporation, Merrimack, NH (US);
Inventors:
Bruce Hazeltine, Missoula, MT (US);
Scott Fahrenbruck, Missoula, MT (US);
Wenjun Qin, Missoula, MT (US);
Assignee:
GTAT Corporation, Merrimack, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 33/107 (2006.01); B01D 3/14 (2006.01);
U.S. Cl.
CPC ...
C01B 33/10778 (2013.01); B01D 3/143 (2013.01);
Abstract
Systems and methods for removing boron-containing contaminants from a composition comprising trichlorosilane to form a purified product comprising trichlorosilane are disclosed. Purification columns and devices, having various locations of inlet and outlet ports, are fluidly connected to each other in order to remove various types of boron species and other impurities present in TCS.