Method of echographic imaging using polymeric gas or air filled microballoons
US5863520A · kind A · utility
23Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1997 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Mar 4, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/223
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Ultrasonic echographic imaging body organs using gas or air filled microballoons having a mean size in the range of 0.5 to 1000 microns bounded by a 50 to 500 nm thick biodegradable, interfacially deposited, synthetic polymer membrane which is both deformable and resilient are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.