Patent · US Expired

Process for the production of organ extracts with high herparin content

US4315923A · kind A · utility

4Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1980
Grant dateFeb 16, 1982
Priority date
Expiry dateMar 19, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08B37/0075
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for producing an aqueous solution of high heparin content from heparin-containing animal organs comprises forming a heparin-enriched granular raw material from these organs and extracting the raw material at a temperature of 20.degree. to 80.degree. C. with a salt solution having a salt concentration of 1.5 to 12.0% and a pH in the range of 8 to 12.8 or an alkalinity of 0.5 normal to 1.08 normal concentration. The dry substance to liquid ratio should be 1:5.

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