Patent · US Expired

Meningitis vaccine

US4307080A · kind A · utility

1Cited by

0References

2Claims

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 22, 1980
Grant date	Dec 22, 1981
Priority date	—
Expiry date	Sep 22, 2000

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K39/102
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.