Patent · US Expired

Preparation of immunosuppressive materials

US4009257A · kind A · utility

11Cited by
0References
11Claims
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Assignee

Inventors

Key dates

Filing dateFeb 24, 1971
Grant dateFeb 22, 1977
Priority date
Expiry dateFeb 24, 1991

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S530/868
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A soluble immunogenic extract of human blood lymphocytes, a non-toxic immunosuppressive antilymphocytic serum raised by the extract, a non-toxic immunosuppressive antilymphocytic immunoglobulin G derived from the serum, and methods of isolating the extract, raising the antiserum and isolating the immunoglobulin G.

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