The opinion in support of the decision being entered today was not written
for publication and is not binding precedent of the Board.
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte DANILO D. LASIC, ROBERT M. ABRA,
YECHEZKEL BARENHOLZ, and TAL PELEG-SHULMAN
__________
Appeal No. 2006-2213
Application No. 09/771,151
__________
ON BRIEF
__________
Before ADAMS, GRIMES, and GREEN, Administrative Patent Judges.
GRIMES, Administrative Patent Judge.
DECISION ON APPEAL
This appeal involves claims directed to methods of preparing liposomes
containing supersaturated solutions of drug compounds. The examiner has rejected the
claims as anticipated. We have jurisdiction under 35 U.S.C. § 134. We affirm.
Background
“Liposomes are completely closed Iipid bilayer membranes containing an
entrapped aqueous volume.” Specification, page 1. “A primary use of Iiposomes is to
serve as carriers for a variety of materials, such as, drugs, cosmetics, diagnostic
reagents, bioactive compounds, and the like.” Id. “[L]oading of uncharged and non-
lipophilic drugs [into liposomes], and in particular drugs having low solubility in aqueous
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