Patent · US Expired

Novel peptide from cultures of Schistosoma mansoni, a process for producing it and pharmaceutical compositions containing the same

US4384992A · kind A · utility

2Cited by
0References
5Claims
0Family size

Inventors

Key dates

Filing dateJan 27, 1981
Grant dateMay 24, 1983
Priority date
Expiry dateJan 27, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S530/855
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A small peptide obtained from Schistosoma mansoni has a molecular weight between 500 and 1000. It is water soluble. It is heat-stable. It inhibits the mast cell degranulation in vitro and in vivo elicited by chemical compounds or anaphylactic reactions. It prevents passive or active cutaneous anaphylactic reactions.

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