Patent · US Expired

Sleep inducing agents

US4668661A · kind A · utility

1Cited by
2References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 1984
Grant dateMay 26, 1987
Priority date
Expiry dateOct 23, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12R2001/13
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A compound capable of inducing sleep in mammals comprising a peptidoglycan monomer obtained by lysozyme digestion of linear non-crosslinked peptidoglycan polymer chains present in culture fluids of penicillin-treated Brevibacterium divaricatum mutant NRRL 2311 together with hydrolysis of at least one amide group of said monomer.

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