Patent · US Expired

Process for the separation of sterols

US4044031A · kind A · utility

28Cited by
2References
7Claims
0Family size

Inventors

Key dates

Filing dateJul 2, 1976
Grant dateAug 23, 1977
Priority date
Expiry dateJul 2, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J9/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for the separation of sterols or mixtures of sterols from mixtures of unsaponifiables obtained from crude soap skimmings, soap of vegetable oil, animal fat or the like, by dissolving the mixture of unsaponifiables, extracting the polar components including the sterols into a hydrophilic solvent mixture, separating the hydrophilic phase and crystallizing the sterols from said phase by concentrating and cooling.

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