Patent · US Expired

Method of preserving blood plasma I

US4189425A · kind A · utility

14Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 1978
Grant dateFeb 19, 1980
Priority date
Expiry dateJun 12, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S530/83
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Polyethylene glycol or poly(oxyethylene)poly(oxypropylene) glycol block copolymers or mixtures thereof in a suitable buffer such as citrated saline, are added to blood plasma to preserve and protect blood coagulation factors and other proteins.

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