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. 06, 2019
Filed:
Aug. 20, 2018
Agc Inc., Chiyoda-ku, JP;
Tomoaki Taniguchi, Chiyoda-ku, JP;
Jumpei Nomura, Chiyoda-ku, JP;
Takayuki Sakai, Chiyoda-ku, JP;
Takashi Hayase, Chiyoda-ku, JP;
AGC Inc., Chiyoda-ku, JP;
Abstract
There is provided a method of efficiently manufacturing purified 1224yd containing 1224yd at a high concentration from a mixture containing 1224yd and a compound that forms an azeotropic composition or an azeotropic-like composition with 1224yd. A manufacturing method of purified 1224yd, includes making a first mixture of 1224yd and a compound (X1) forming an azeotropic composition or an azeotropic-like composition with 1224yd to be brought into contact with a first extraction solvent to obtain purified 1224yd not substantially containing the compound (X1).