Patent · US Expired

Sweetening agents

US4645678A · kind A · utility

35Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 1983
Grant dateFeb 24, 1987
Priority date
Expiry dateSep 15, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K5/0613
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Compounds of the formula: ##STR1## in which: X represents at least one lone-electron pair donor group; PA0 A represents an oxygen or a sulfur atom, or an optionally substituted imino or methylene group; PA0 R represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms; PA0 n represents a number equal to zero or to one; PA0 B represents a COOH or COOM group (M designating a cation); PA0 Y represents either a lone-electron pair donor group, or an alkyl group R' of 1 to 4 carbon atoms; PA0 Z represents PA0 either an optionally substituted hydrophobic group R", R" designating an alkyl, cycloalkyl or aryl group of 1 to 12 carbon atoms; PA0 or a lone-electron pair donor group on which a hydrophobic group R" is fixed; are useful as sweetening agents.

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