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. 02, 2021
Filed:
May. 15, 2020
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Hidefumi Shiota, Chiyoda-ku, JP;
Shoji Furuta, Chiyoda-ku, JP;
Assignee:
AGC INC., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/383 (2006.01); C07C 17/386 (2006.01); C07C 21/18 (2006.01);
U.S. Cl.
CPC ...
C07C 17/383 (2013.01); C07C 17/386 (2013.01); C07C 21/18 (2013.01);
Abstract
The method of purifying 1224yd (Z) includes: distilling a composition comprising 1224yd (Z) and 244bb in a presence of an extracting solvent comprising at least one compound selected from the group consisting of an alcohol, an ether, a nitrile, a ketone, a carbonate ester, an amide, an ester, a sulfoxide, a hydrocarbon, a chlorohydrocarbon, and a fluorohydrocarbon; and thereby, separating at least a part of 244bb from the composition.