Patent · US Expired

Meningitis vaccine

US4264764A · kind A · utility

3Cited by

0References

1Claims

0Family size

Assignee

MERCK & CO., INC. · US

Inventors

Peter J. Kniskern · Lansdale, US
Arpi Hagopian · Lansdale, US
Dennis J. Carlo · South Amboy, US

Key dates

Filing date	Sep 24, 1979
Grant date	Apr 28, 1981
Priority date	—
Expiry date	Sep 24, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S424/831
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A high molecular weight capsular polysaccharide from H. influenza type b is an effective immunogenic agent against infection caused by the H. influenza type b bacterium.

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