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. 03, 2013
Filed:
Feb. 18, 2009
Applicants:
Won Seob Song, Ulsan, KR;
Sung Yul Woo, Ulsan, KR;
Boo Weon Song, Ulsan, KR;
Seong Han Park, Ulsan, KR;
Sung Jin Park, Ulsan, KR;
Hong Tae Song, Ulsan, KR;
Myoung Suk Kwon, Ulsan, KR;
Inventors:
Won Seob Song, Ulsan, KR;
Sung Yul Woo, Ulsan, KR;
Boo Weon Song, Ulsan, KR;
Seong Han Park, Ulsan, KR;
Sung Jin Park, Ulsan, KR;
Hong Tae Song, Ulsan, KR;
Myoung Suk Kwon, Ulsan, KR;
Assignee:
Samsung Fine Chemicals Co., Ltd., Ulsan, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/27 (2006.01); C07C 31/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of preparing dichloropropanol using glycerol. The method includes: chlorination of glycerol including a plurality of chlorination reaction stages using a catalyst; and a water-removing stage performed between the reaction stages, independently of the reaction stages.