US PATENT SUBCLASS 424 / 528
.~ Bile, bile acid, bile salt, amniotic fluid, or ascitic fluid

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

520  DF  EXTRACT, BODY FLUID, OR CELLULAR MATERIAL OF UNDETERMINED CONSTITUTION DERIVED FROM ANIMAL IS ACTIVE INGREDIENT {21}
528.~ Bile, bile acid, bile salt, amniotic fluid, or ascitic fluid

DEFINITION

Classification: 424/528

Bile, bile acid, bile salt, amniotic fluid, or ascitic fluid:

(under subclass 520) Subject matter in which the material is or is derived from bile, bile acids, bile salts, amniotic fluid or ascitic fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

551, for the gall bladder or bile duct.

558, for other extracts derived from the urogenital system.

582, for extracts from embryonic structures.