Patent · US Expired

Process for the preparation of sulfobetaines

US4259191A · kind A · utility

20Cited by
5References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 19, 1979
Grant dateMar 31, 1981
Priority date
Expiry dateApr 19, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S516/05
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method for the preparation of sulfobetaines having the general formula ##STR1## The betaines possess excellent solubilizing and emulsification properties for use in oil recovery.

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