Patent · US Expired

Process for the production of partial glyceride sulfates

US5322957A · kind A · utility

24Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1993
Grant dateJun 21, 1994
Priority date
Expiry dateJun 2, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C305/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Processes for the production of partial glyceride sulfates comprising the steps of: PA0 A) reacting a mixture containing glycerol and at least one triglyceride with gaseous sulfur trioxide to produce at least one acidic reaction product; PA0 B) ageing the at least one acidic reaction product at an elevated temperature; and PA0 C) neutralizing the at least one aged acidic reaction product with an aqueous base in the presence of a buffer.

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