Patent · US Expired

N-[.omega.,(.omega.-1)-dialkyloxy]- and N-[.omega.,(.omega.-1)-dialkenyloxy]-alk-1-yl-N,N,N,-tetrasubstituted ammonium lipids and uses therefor

US5366737A · kind A · utility

20Cited by
42References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1993
Grant dateNov 22, 1994
Priority date
Expiry dateFeb 10, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/829
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This invention relates to compounds of the formula or an optical isomer thereof wherein R.sup.1 and R.sup.2 are the same or different and are an alkyl or alkenyl group of 6 to 24 carbon atoms; R.sup.3, R.sup.4 and R.sup.5 are the same or different and are alkyl of 1 to 8 carbon atoms, aryl, aralkyl of 7 to 11 carbon atoms, or when two or three of R.sup.3, R.sup.4, and R.sup.5 are taken together to form quinuclidino, piperidino, pyrrolidino, or morpholino; n is 1 to 8; and X is a pharmaceutically acceptable anion.

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