US PATENT SUBCLASS 424 / 9.31
.~.~ Clay or zeolite containing

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}
9.3  DF  .~ Magnetic imaging agent (e.g., NMR, MRI, MRS, etc.) {7}
9.31.~.~ Clay or zeolite containing

DEFINITION

Classification: 424/9.31

Clay or zeolite containing:

(under subclass 9.3) Subject matter wherein the agent contains a clay or a zeolite.

(1) Note. Zeolites are crystalline, hydrated alkali-aluminum silicates.