Patent · US Expired

Analgesic compounds, extracts containing same and methods of preparation

US7618946B2 · kind B2 · utility

3Cited by
1References
25Claims
0Family size

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Key dates

Filing dateNov 26, 2004
Grant dateNov 17, 2009
Priority date
Expiry dateJan 18, 2025

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Various compounds obtained from plants of the Barringtonia species which are derived from Barringtoside A and Barringtoside C as precursor compounds which especially have an arabinopyranosyl substituent at the 21 position which may optionally be further substituted with benzoyl, dibenzoyl, methyl butanoyl, methyl butyryl or tigloyl at the 3 or 4 positions. Alternatively at the 21 position there is provided tigloyl, benzoyl or dibenzoyl substituents.

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