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:
Sep. 10, 2019
Filed:
Dec. 24, 2014
Applicant:
Sunedison, Inc., Maryland Heights, MO (US);
Inventors:
Puneet Gupta, Houston, TX (US);
Yue Huang, Midlothian, VA (US);
Satish Bhusarapu, Sugarland, TX (US);
Assignee:
Corner Star Limited, Hong Kong, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/027 (2006.01); C01B 33/03 (2006.01);
U.S. Cl.
CPC ...
C01B 33/027 (2013.01); C01B 33/03 (2013.01);
Abstract
Production of polycrystalline silicon in substantially closed-loop processes and systems is disclosed. The processes and systems generally involve disproportionation of trichlorosilane to produce silane or dichlorosilane and thermal decomposition of silane or dichlorosilane to produce polycrystalline silicon.