US PATENT SUBCLASS 424 / 486
.~.~ Synthetic polymer

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

400  DF  PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM {12}
484  DF  .~ Matrices {3}
486.~.~ Synthetic polymer {1}
487  DF  .~.~.~> Acrylic acid and derivatives

DEFINITION

Classification: 424/486

Synthetic polymer:

(under subclass 484) Subject matter in which the matrix is of a solid synthetic polymer.