Patent · US Active

Method of stabilizing perfluorodioxolane compound, perfluorodioxolane compound-containing composition and method of producing perfluorodioxolane compound polymer

US11767308B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignees

TOSOH CORPORATION · CN
TOSOH FINECHEM CORPORATION · JP

Inventors

Daisuke INOUE · Ratchaburi, TH
Yusuke SESOKO · Shunan, JP
Hiroshi Matsuo · Kasai, JP
Hiroki Takamiya · Shunan, JP
Hideyuki Mimura · Yamaguchi, JP
Tomoya SHIMONO · Yokkaichi, JP
Tomonari NAGAI · Yokkaichi, JP

Key dates

Filing date	Dec 25, 2020
Grant date	Sep 26, 2023
Priority date	—
Expiry date	Dec 25, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K15/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Provided is a method of stabilizing a perfluorodioxolane compound, which includes having a quinone compound present in a composition containing a perfluorodioxolane compound, wherein the perfluorodioxolane compound is one or more perfluorodioxolane compounds selected from the group consisting of a perfluorodioxolane compound denoted by general formula (1) and a perfluorodioxolane compound denoted by general formula (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.