Patent ID: 7256163
Filing Date: 2007-08-14
Classification: C10M,C10N

Abstract:
1. A grease composition containing, in a lubricant base oil, on the basis of the total amount of composition: 0.01 to 10% by mass of a fatty acid salt; 0.01 to 10% by mass of carbonate; 2 to 30% by mass of at least one thickener selected from a metal soap, a complex metal soap, an urea compound, an urea/urethane compound, and an urethane compound; and 0.1 to 20% by mass of a sulfur type extreme-pressure agent; obtainable by mixing the above components; wherein the fatty acid salt and the carbonate are compounded as a mixture in which the carbonate is dispersed into the fatty acid salt, said mixture being obtained by blowing a carbonic acid gas into a system in which the fatty acid salt is dissolved in a carrier oil while a base exists therein.