US 11,840,522 B2
Method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) and composition containing stabilized perfluoro(2-methylene-4-methyl-1,3-dioxolane)
Hideki Miyauchi, Shunan (JP); Shota Nishida, Shunan (JP); Daisuke Inoue, Shunan (JP); Yusuke Shigeta, Shunan (JP); Norihisa Kondo, Shunan (JP); Makoto Watanabe, Yokkaichi (JP); Shohei Yumino, Yokkaichi (JP); and Tomoya Shimono, Yokkaichi (JP)
Assigned to TOSOH CORPORATION, Shunan (JP); and TOSOH FINECHEM CORPORATION, Shunan (JP)
Appl. No. 17/416,206
Filed by TOSOH CORPORATION, Shunan (JP); and TOSOH FINECHEM CORPORATION, Shunan (JP)
PCT Filed Dec. 20, 2019, PCT No. PCT/JP2019/050014
§ 371(c)(1), (2) Date Jun. 18, 2021,
PCT Pub. No. WO2020/130122, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 2018-238590 (JP), filed on Dec. 20, 2018.
Prior Publication US 2022/0056006 A1, Feb. 24, 2022
Int. Cl. C07D 317/42 (2006.01); C07B 63/04 (2006.01)
CPC C07D 317/42 (2013.01) [C07B 63/04 (2013.01)] 20 Claims
 
1. A method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane), comprising:
incorporating, into a composition containing perfluoro(2-methylene-4-methyl-1,3-dioxolane), at least one fluorine-containing compound selected from the group consisting of Compound 1-2, 1-3, 1-4, 1-5, 1-6, 1-7, 1-8, 1-9 and 1-10,

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry