A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/46, 204/91
A61K 49/00 (2006.01) A61K 9/50 (2006.01) A61K 49/22 (2006.01)
Patent
CA 1337286
An ultrasonic imaging agent is produced by a continuous sonication processing of an aqueous solution of heat-denaturable biocompatible protein. The solution is carefully preheated to a temperature of incipient protein denaturation without forming insolubilized pro- tein. A gaseous fluid, preferably air, is added to the solution. In the sonication, the air-containing solu- tion is foamed, increasing the formation and concentra- tion of microbubbles, and the solution is further heated to insolubilize a portion of the protein, thereby encap- sulating the microbubbles and forming particulate micro- spheres.
610631
Cerny David
Mills Gary J.
Westkaemper Peter J.
Borden Ladner Gervais Llp
Molecular Biosystems Inc.
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