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:
Aug. 24, 2021
Filed:
Oct. 08, 2018
Cj Cheiljedang Corporation, Seoul, KR;
Seok Hyun Kang, Yongin-si, KR;
Won Sik Gwak, Yongin-si, KR;
Chang Yub Oh, Yongin-si, KR;
Jin Tae Hong, Seoul, KR;
CJ CHEILJEDANG CORPORATION, Seoul, KR;
Abstract
Provided is a method of refining 1,5-diaminopentane, the method including preparing a fermented broth including a carbonate salt of 1,5-diaminopentane; preparing a first composition by heating the fermented broth; preparing a second composition and an evaporation residue by evaporating the first composition; preparing a third composition by adding water to the evaporation residue and evaporating the water; and recovering 1,5-diaminopentane by distilling the second composition and the third composition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile