US PATENT SUBCLASS 424 / 450
.~ Liposomes

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}
450.~ Liposomes

DEFINITION

Classification: 424/450

Liposomes:

(under subclass 400) Subject matter in which the special physical form is a pharmaceutical substance contained in a lipid bilayer.

SEE OR SEARCH CLASS

436, Chemistry: Analytical and Immunological Testing,

829, for an art collection of liposomes containing immunological materials.