Stable hydro treated and hydrodewaxed lubricating composition


Application Number: 00117641
Application Date: 2000.05.18
Publication Number: 1274743
Publication Date: 2000.11.29
Priority Information: 1999/5/19 US 60/134805
International: C10M133/44
Applicant(s) Name: Ciba Specialty Chemicals Holding Inc.
Address:
Inventor(s) Name: J. L. Rejess;Gawilland;F. T. Licktenberg;A. O. Ausode
Patent Agency Code: 72001
Patent Agent: pang lizhi
Abstract The instant invention relates to a lubricant composition stabilized against the deleterious effects of heat and oxygen. The composition comprises a hydrotreated or hydrodewaxed oil and an effective antioxidant stabilizing amount of a mixture of a phenolic antioxidant; an N,N-disubstituted aminomethyl-1,2,4-triazole; an aromatic amine antioxidant; an alkyl phenoxy alkanoic acid; and an n-acyl sarcosine derivative. Optionally, further additives are added to the subject lubricant Compositions.