Patent · US Expired

Meningitis vaccine

US4407949A · kind A · utility

3Cited by

1References

9Claims

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	Jun 8, 1981
Grant date	Oct 4, 1983
Priority date	—
Expiry date	Jun 8, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S435/851
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.