Use of perfluorobromoalkyl ethers as X-ray contrast agents
US4640833A · kind A · utility
14Cited by
5References
6Claims
0Family size
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Key dates
| Filing date | Mar 11, 1985 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Mar 11, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Method of X-raying animals using as a contrast agent a perfluorobromoalkyl ether of the formula C.sub.m F.sub.2m+1 OC.sub.n F.sub.2n Br where m and n independently are integers of from 2 to 6, wherein the ether is used either neat or in an aqueous dispersion such as an emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.