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:
Mar. 27, 2018
Filed:
Jan. 13, 2017
SK Innovation Co., Ltd., Seoul, KR;
Sung Real Son, Daejeon, KR;
Sang Hye Shin, Daejeon, KR;
In Hyoup Song, Daejeon, KR;
Suk Joon Hong, Daejeon, KR;
Tae Seung Kim, Yongin-si, KR;
Yoon Jae Yim, Sejong-si, KR;
SK Innovation Co., Ltd., Seoul, KR;
Abstract
The present invention relates to a method for producing anhydrosugar alcohol using an organic additive having one hydroxyl group. The present invention makes it possible to prevent oligomers and polymers from being produced by polymerization of isosorbide during dehydration of sorbitol molecules, and thus solves problems, including a reduction in fluidity in a dehydration reactor, interference with the flow of fluids in the reactor and pipelines, and interference with stirrer operation, which occur due to the oligomers and polymers.