US PATENT SUBCLASS 424 / 423
.~.~ Surgical implant or material

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}
422  DF  .~ Implant or insert {5}
423.~.~ Surgical implant or material {2}
424  DF  .~.~.~> Membrane or diffusion barrier {1}
426  DF  .~.~.~> Errodable, resorbable, or dissolving

DEFINITION

Classification: 424/423

Surgical implant or material:

(under subclass 422) Subject matter in which the composition

is claimed or disclosed as surgically implantable.