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. 12, 2019
Filed:
May. 03, 2018
Foosung Co., Ltd., Hwaseong-si, Gyeonggi-do, KR;
Ook Jae Cho, Ulsan, KR;
Bong Seok Kim, Ulsan, KR;
Dong Hyuk Park, Ulsan, KR;
Su Jin Park, Ulsan, KR;
Jin A Jung, Ulsan, KR;
Dae Woo Kim, Ulsan, KR;
FOOSUNG CO., LTD., , KR;
Abstract
Disclosed is a method of simultaneously preparing 1,1,1-trifluoro-2-chloropropene and 1,1,1,2-tetrafluoropropene, the method including i) a step of elevating a temperature of a reactor charged with a gas phase catalyst up to a reaction temperature; ii) a step of feeding 1,1,1-trifluoro-2,3-dichloropropane and 2-chloro-1,1,1,2-tetrafluoropropane into the reactor, the temperature of which has been elevated; iii) a step of performing dehydrochlorination while maintaining the temperature of the reactor; and iv) a step of performing washing and distillation after the dehydrochlorination. In accordance with the present disclosure, a high-efficient gas-phase process of continuously, simultaneously preparing 1,1,1-trifluoro-2-chloropropene and 1,1,1,2-tetrafluoropropene is provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile