Gas containing contrast agent particles having external magnetic layer
US5342608A · kind A · utility
17Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Mar 19, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/223
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a contrast medium for ultrasonic diagnosis, which comprises an aqueous medium and gas-encapsulated particles each having a ferrite magnetic layer on the surface thereof contained in the aqueous medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.