US PATENT SUBCLASS 424 / 9.61
.~.~ Porphyrin or derivative thereof

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

9.1  DF  IN VIVO DIAGNOSIS OR IN VIVO TESTING {7}
9.6  DF  .~ Diagnostic or test agent produces in vivo fluorescence {1}
9.61.~.~ Porphyrin or derivative thereof

DEFINITION

Classification: 424/9.61

Porphyrin or derivative thereof:

(under subclass 9.6) Subject matter wherein the fluorescent contrast agent is or contains a porphyrin or a derivative thereof.

(1) Note. Porphyrins are compounds containing the following basic structure: [figure]