Idemitsu Kosan granted patent for new lube oil composition

Teshima and Motoharu Ishikawa, both of Japan, have developed a lubricant composition. The patent has been assigned to Idemitsu Kosan Co. The invention carries International Patent Publication No. WO/2009/101933 on August 20. The original patent was filed in Japan. According to an abstract posted by the World Intellectual Property Organization, the invention is a “lubricant composition which is used in an internal combustion engine using a fuel containing at least one substance selected from the group consisting of natural fats and oils, hydrogenated products of natural fats and oils, transesterified products of natural fats and oils, and hydrogenated products of transesterified products of natural fats and oils.” (August 24, 2009)