US PATENT SUBCLASS 514 / 947
.~ Topical application


Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

946  DF  PENETRANT OR ABSORBENT (ENHANCES PENETRATION INTO SUBJECT TREATED) {1}
947.~ Topical application


DEFINITION

Classification: 514/947

Topical application:

(under subclass 946) Subject matter wherein application is to the skin and absorption is through the skin.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

198+, for wetting agents (e.g., spreading, penetrating, leveling) or methods of making such agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.