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:
Oct. 15, 2024
Filed:
Dec. 07, 2021
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Kazuhiro Takahashi, Osaka, JP;
Osamu Yamamoto, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/358 (2006.01); C07C 17/383 (2006.01);
U.S. Cl.
CPC ...
C07C 17/358 (2013.01); C07C 17/383 (2013.01);
Abstract
Provided is a method for efficiently obtaining HFO-1132(E) and/or HFO-1132(Z). The method includes supplying a composition containing HFO-1132(E) and/or HFO-1132(Z) to a reactor to perform isomerization between HFO-1132(E) and HFO-1132(Z) by irradiating the composition with light.