Patent · US Expired

Contrast agents

US5536490A · kind A · utility

126Cited by

4References

40Claims

0Family size

Assignee

NYCOMED IMAGING AS · NO

Inventors

Jo Klaveness · Oslo, NO
Hanno Priebe · Oslo, NO
Pal Rongved · Oslo, NO
Lars Stubberud · Borgen, NO

Key dates

Filing date	Oct 29, 1993
Grant date	Jul 16, 1996
Priority date	—
Expiry date	Oct 29, 2013

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K49/223
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to diagnostic ultrasound contrast agents comprising vesicles comprising an amphiphilic phospholipid material capable of formation of gas-containing vesicles wherein the vesicles contain gas which comprises sulphur hexafluoride. The contrast agents and vesicles exhibit good stability in vivo upon administration and may if desired incorporate biodegradable linkages so as to possess particularly desired levels of biodegradability.

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