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:
Dec. 26, 2017
Filed:
Feb. 23, 2015
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung Kyu Lee, Daejeon, KR;
Joon Ho Shin, Daejeon, KR;
Jong Ku Lee, Daejeon, KR;
Sung Kyun Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/14 (2006.01); C01B 33/107 (2006.01); B01D 3/32 (2006.01);
U.S. Cl.
CPC ...
B01D 3/141 (2013.01); B01D 3/143 (2013.01); B01D 3/324 (2013.01); C01B 33/10778 (2013.01); Y10S 203/20 (2013.01);
Abstract
Trihalosilane refining device having a divided wall distillation column is disclosed. The trihalosilane refining device can be useful in obtaining high-purity trihalosilane from a feed containing a trihalosilane while consuming a small amount of energy.