US PATENT SUBCLASS 424 / 485
.~.~ Natural gums, resin or latex

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

400  DF  PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM {12}
484  DF  .~ Matrices {3}
485.~.~ Natural gums, resin or latex

DEFINITION

Classification: 424/485

Natural gums, resin or latex:

(under subclass 484) Subject matter in which the matrix is of a natural gum or resin or latex.