The present invention relates to grease gelling agents and greases having low noise characteristics. The greases of the present invention may also exhibit good low shear stability and good heat resistance, as well as the low noise characteristics. The novel grease compositions of the present invention comprise a grease gelling agent comprises a mixture of >=80 weight percent diureas and 0.1-20 weight percent polyureas.
申请公布号
WO2004074413(A2)
申请公布日期
2004.09.02
申请号
WO2004US04666
申请日期
2004.02.17
申请人
CHEVRON U.S.A. INC.;WARD, CARL, E.;LITTLEFIELD, CARLOS, E.
