Patent · US Expired

Method for preparing hepatitis B immune globulin

US4174388A · kind A · utility

26Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 1978
Grant dateNov 13, 1979
Priority date
Expiry dateJul 19, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N2730/10122
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Hepatitis B immune globulin is prepared from individuals who exhibit an increase in hepatitis B surface antibody of at least 2,000 PHA units/ml following immunization with hepatitis B surface antigen.

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