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:
Dec. 12, 2023
Filed:
Dec. 20, 2019
Tosoh Corporation, Shunan, JP;
Tosoh Finechem Corporation, Shunan, JP;
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;
Tomoya Shimono, Yokkaichi, JP;
TOSOH CORPORATION, Shunan, JP;
TOSOH FINECHEM CORPORATION, Shunan, JP;
Abstract
A method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) (hereinafter simply referred to as a 'stabilization method'), including incorporating at least one selected from the group consisting of a hydroxy group-containing fluoroaromatic compound represented by General Formula (1) below and a hydroxy group-containing fluoroaromatic compound represented by General Formula (2) below into a composition containing perfluoro(2-methylene-4-methyl-1,3-dioxolane): (in the formula, Rto Reach independently represent one selected from the group consisting of a fluorine atom, a perfluoroalkyl group and a hydroxy group, and at least one of Rto Ris a hydroxy group); (in the formula, Rto Reach independently represent one selected from the group consisting of a fluorine atom, a perfluoroalkyl group and a hydroxy group, and at least one of Rto Ris a hydroxy group).