Patent · US Active

Method for producing perfluoroalkadiene compounds

US11225446B2 · kind B2 · utility

0Cited by
2References
8Claims
0Family size

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Key dates

Filing dateApr 8, 2021
Grant dateJan 18, 2022
Priority date
Expiry dateApr 8, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F36/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

According to a method for producing a perfluoroalkadiene compound represented by general formula (1): CF2═CF—(CF2)n-4—CF═CF2 (1), wherein n is an integer of 4 or more, the method comprising a reaction step of adding a nitrogen-containing compound to a solution of a compound represented by general formula (2): X1CF2—CFX2—(CF2)n-4—CF2—CF2X1 (2), wherein n is the same as above, X1 is the same or different and is a halogen atom other than fluorine, and X2 is a halogen atom, the perfluoroalkadiene compound can be obtained at a high yield.

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