US 12,435,020 B2
Manufacturing method for hydrofluoroolefin or fluoroolefin
Yuuta Hasumoto, Osaka (JP); Tatsuya Takakuwa, Osaka (JP); Osamu Yamamoto, Osaka (JP); Hideki Nakaya, Osaka (JP); Masao Noumi, Osaka (JP); Kazuyuki Satou, Osaka (JP); Kohei Yamanoi, Osaka (JP); and Akihiro Oshima, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP); and OSAKA UNIVERSITY, Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP); and OSAKA UNIVERSITY, Osaka (JP)
Filed on Aug. 25, 2022, as Appl. No. 17/895,529.
Application 17/895,529 is a continuation of application No. PCT/JP2021/006729, filed on Feb. 24, 2021.
Claims priority of application No. 2020-033376 (JP), filed on Feb. 28, 2020.
Prior Publication US 2023/0014347 A1, Jan. 19, 2023
Int. Cl. C07C 17/278 (2006.01); C07C 17/269 (2006.01)
CPC C07C 17/278 (2013.01) [C07C 17/269 (2013.01)] 7 Claims
 
1. A method for producing a hydrofluoroolefin or fluoroolefin having two, three, or four carbon atoms, comprising irradiating at least one starting material compound selected from the group consisting of hydrofluorocarbons having one or two carbon atoms and hydrofluoroolefin As having two or three carbon atoms with ionizing radiation and/or an ultraviolet ray having a wavelength of 300 nm or less, with the proviso that when the at least one starting material compound is the hydrofluoroolefin A, the resulting hydrofluoroolefin is different from the hydrofluoroolefin A.