The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board.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 MARC ANDRE POIRIER and SHLOMO ANTIKA ____________ Appeal No. 2005-2510 Application No. 10/122,049 ____________ ON BRIEF ____________ Before WARREN, KRATZ and TIMM, Administrative Patent Judges. KRATZ, Administrative Patent Judge. DECISION ON APPEAL This is a decision on appeal from the examiner's refusal to allow claim 15, which is the only claim pending in this application. BACKGROUND Appellant’s invention relates to a method for enhancing erosion resistance of a phosphate ester based hydraulic fluid by adding potassium perfluorobutane sulfonate to the fluid in an amount from about 0.01 to 0.5 weight percentPage: 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007