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:
Feb. 09, 2021
Filed:
Jan. 24, 2019
Lg Chem, Ltd., Seoul, KR;
Sungshik Eom, Daejeon, KR;
Dawon Jung, Daejeon, KR;
Tae Youn Kim, Daejeon, KR;
Dong Hyun Ko, Daejeon, KR;
Mi Young Kim, Daejeon, KR;
Min Ji Choi, Daejeon, KR;
Taewoo Kim, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
A method for producing dimethylolbutanal, the method including: (A) distilling a raw material comprising dimethylolbutanal (DMB) in a distillation column; (B) separating the distilled raw material in the distillation column into a low boiling point component, dimethylolbutanal, and a high boiling point component; and (C) refluxing a portion or all of the high boiling point component to the distillation column by heating the portion or all of the high boiling point component, in which the dimethylolbutanal is separated from a side cut of the distillation column.