Patent · US Expired

Anthelmintic

US3993759A · kind A · utility

1Cited by

0References

20Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Rolf Pohlke
Friedrich Loebich
Herbert Thomas
Jurgen Thyssen

Key dates

Filing date	Mar 11, 1974
Grant date	Nov 23, 1976
Priority date	—
Expiry date	Mar 11, 1994

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02A50/30
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

2-Benzoyl-4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline is used as an anthelmintic against cestodes and trematodes, preferably in admixture with a pharmaceutically acceptable carrier.

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