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:
Jun. 26, 2018
Filed:
May. 26, 2017
Korea Institute of Energy Research, Daejeon, KR;
Dong-Woo Cho, Daejeon, KR;
Jong-Nam Kim, Daejeon, KR;
Su Jin Jeong, Daejeon, KR;
Hee Tae Beum, Daejeon, KR;
Taesung Jung, Daejeon, KR;
Hyung Chul Yoon, Daejeon, KR;
Kanghee Cho, Daejeon, KR;
Sang-Sup Han, Daejeon, KR;
KOREA INSTITUTE OF ENERGY RESEARCH, Daejeon, KR;
Abstract
Disclosed is a method of removing calcium from a hydrocarbon fraction using an extraction agent including 2-oxopropanal or derivatives thereof, the method including (S1) adding a hydrocarbon fraction with an extraction agent including 2-oxopropanal or derivatives thereof to give a mixture, (S2) converting an oil-soluble calcium compound into a water-soluble calcium compound by reacting the hydrocarbon fraction with the 2-oxopropanal or derivatives thereof, and (S3) removing the water-soluble calcium compound.