US PATENT SUBCLASS 424 / 422
.~ Implant or insert

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.~ Implant or insert {5}
423  DF  .~.~> Surgical implant or material {2}
427  DF  .~.~> Ocular {2}
430  DF  .~.~> Vaginal, urethral, uterine {3}
434  DF  .~.~> Mucosal (e.g., nasal, etc.) {2}
437  DF  .~.~> Otic

DEFINITION

Classification: 424/422

Implant or insert:

(under subclass 400) Subject matter in which the composition is in a special physical form to adapt for implanting or inserting in the living body wherein the composition releases an active pharmaceutical ingredient in a sustained or differential manner.

(1) Note. Where a patent claims dosage units (in the absence of more comprehensive or controlling claims); e.g., a tablet comprising (or containing) 15 grains of compound X", and in the absence of any structural limitations, definite shape, surface deformation, etc., the original has been placed with the compound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

449, for a transdermal or percutaneous bandage for sustained release of a drug.

457, for a sustained or differential release composition is a capsule.

468, for a sustained or differential release tablet.