Patent · US Expired

Hemispherand ionophores having increased lipophilicity

US5132001A · kind A · utility

1Cited by
1References
14Claims
0Family size

Inventors

Key dates

Filing dateMay 21, 1990
Grant dateJul 21, 1992
Priority date
Expiry dateMay 21, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/3335
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Sodium ion selective compositions which comprise an ion carrier, a compound capable of solvating the ion carrier, and a supporting matrix are disclosed. The ion carriers of this invention are hemispherand compounds represented by the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen, alkyl, alkenyl, cycloalkyl, aryl or a heterocyclic group and R represents Z-decyl, Z-octyl, 3-octyl, and cyclohexyl methyl.

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