Patent · US Expired

Microorganism antigen extraction methods

US5494801A · kind A · utility

19Cited by
6References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1993
Grant dateFeb 27, 1996
Priority date
Expiry dateDec 3, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/25125
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Method for extracting an antigen from a micro-organism organism of the genus streptococcus contained in a sample including the steps of contacting the sample with reagents which generate hyponitrous acid, further contacting the sample with a base, or contacting the sample with hypochlorite, and neutralizing the sample.

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