Patent · US Expired

Process for the production of sulphoalkyl quaternary salts

US4308390A · kind A · utility

1Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1980
Grant dateDec 29, 1981
Priority date
Expiry dateMar 6, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B23/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Sulphoalkyl and sulphoalkenyl quaternary salts of heterocyclic nitrogen compounds are prepared by reacting heterocyclic compounds containing a tertiary ring nitrogen atom at an elevated temperature with an O-sulphoalkyl or O-sulphoalkenylisourea compound.

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