US PATENT SUBCLASS 424 / 487
.~.~.~ Acrylic acid and derivatives

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}
486  DF  .~.~ Synthetic polymer {1}
487.~.~.~ Acrylic acid and derivatives

DEFINITION

Classification: 424/487

Acrylic acid and derivatives:

(under subclass 486) Subject matter in which the solid synthetic polymer contains acrylic acid.