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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.:

US 11192844 B1

PDFFull Text
Date of Patent:
Dec. 07, 2021

Filed:

Jul. 31, 2018

Method for decolorizing and deodorizing polyhydric alcohol

Applicant:

Gs Caltex Corporation, Seoul, KR;

Inventors:

Jung Joon Lee, Daejeon, KR;

Sang Jun Jeon, Daejeon, KR;

Hee Geun Nam, Daejeon, KR;

Assignee:

GS CALTEX CORPORATION, Seoul, KR;

Attorney:

The PL Law Group, PLLC

Primary Examiner:

Jonathan Luke Pilcher

Int. Cl.
CPC ...
C07C 29/80 (2006.01); C07C 29/84 (2006.01); C07C 31/18 (2006.01); C07C 31/20 (2006.01); B01D 3/14 (2006.01); B01D 3/00 (2006.01); B01D 15/08 (2006.01); B01D 15/36 (2006.01); B01D 61/42 (2006.01); B01D 3/10 (2006.01);
U.S. Cl.
CPC ...
C07C 29/80 (2013.01); B01D 3/002 (2013.01); B01D 3/143 (2013.01); B01D 3/148 (2013.01); B01D 15/08 (2013.01); B01D 15/361 (2013.01); B01D 61/422 (2013.01); C07C 29/84 (2013.01); B01D 3/10 (2013.01); C07C 31/18 (2013.01); C07C 31/20 (2013.01); C07C 31/202 (2013.01); C07C 31/205 (2013.01); C07C 31/207 (2013.01);
Abstract

In a method and a system for decolorizing and deodorizing a polyhydric alcohol according to embodiments of the present invention, a mixture liquid containing a first polyhydric alcohol obtained by a separation process is prepared. The mixture liquid is subjected to a distillation treatment to preliminarily remove substances with different colors and odors to generate a pre-treatment liquid. The pre-treatment liquid is subjected to an adsorption treatment. Through a combination of the distillation treatment and the adsorption treatment, the removing efficiency of the substances with different colors and odors can be increased.

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Quick Actions:

Lee, Jung. (2021). Method for decolorizing and deodorizing polyhydric alcohol (U.S. Patent No. 11192844). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11192844

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