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:
Jul. 23, 2019
Filed:
Dec. 07, 2016
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sang-Beom Lee, Daejeon, KR;
Joon-Ho Shin, Daejeon, KR;
In-Yong Jeong, Daejeon, KR;
Jong-Hui Park, Daejeon, KR;
Myeong-Yeon Keum, Daejeon, KR;
Jeong-Ho Kim, Daejeon, KR;
Tae-Ho Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 37/08 (2006.01); C07C 37/74 (2006.01); C07C 37/68 (2006.01); C07C 45/53 (2006.01); C07C 45/78 (2006.01); C07C 45/82 (2006.01); C07C 37/52 (2006.01); C07C 45/51 (2006.01); C07C 37/72 (2006.01); C07C 37/86 (2006.01); C07C 45/80 (2006.01);
U.S. Cl.
CPC ...
C07C 37/08 (2013.01); C07C 37/52 (2013.01); C07C 37/68 (2013.01); C07C 37/72 (2013.01); C07C 37/74 (2013.01); C07C 37/86 (2013.01); C07C 45/512 (2013.01); C07C 45/517 (2013.01); C07C 45/53 (2013.01); C07C 45/78 (2013.01); C07C 45/80 (2013.01); C07C 45/82 (2013.01);
Abstract
Disclosed is a method for recovering phenol and acetone from the cracking reaction product of bisphenol-A residue, by which economic feasibility and efficiency may be improved by utilizing a phenol/acetone purification process used for preparing bisphenol-A.