US PATENT SUBCLASS 424 / 449
.~.~.~ Transdermal or percutaneous

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}
443  DF  .~ Web, sheet or filament bases; compositions of bandages; or dressings with incorporated medicaments {3}
447  DF  .~.~ Bandages with incorporated medicaments {2}
449.~.~.~ Transdermal or percutaneous

DEFINITION

Classification: 424/449

Transdermal or percutaneous:

(under subclass 447) Subject matter in which the bandage of dressing is designed to permit passage of a medicament through the skin of a living body by absorption through the skin without preliminary puncture or abrasion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

422+, for an implant or insert for sustained releases of a drug.

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

468, for a sustained or differential release capsule.