Patent · US Expired

F-Phenylalkylene oxide diacetylenes

US4241223A · kind A · utility

1Cited by
1References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 28, 1979
Grant dateDec 23, 1980
Priority date—
Expiry dateAug 28, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C43/176
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

F-phenylalkylene oxide acetylenes having the formula C.sub.6 F.sub.5 C.tbd.C(CF.sub.2 OCF.sub.2).sub.n C.tbd.CC.sub.6 F.sub.5, where n ranges from 3 to 8, inclusive. The diacetylenes are useful as monomers for preparing fluorinated polyether elastomers.

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