|6096695||Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same|
The present invention relates generally to substantially liquid, chlorine-free, sulfur-bridged phenols useful as antioxidants and more specifically to the preparation of a substantially liquid, chlorine-free, sulfur-bridged, hindered phenol compositions w...
|6001786||Sulfurized phenolic antioxidant composition method of preparing same and petroleum products containing same|
The present invention relates generally to substantially liquid, chlorine-free, sulfur-bridged phenols useful as antioxidants and more specifically to the preparation of a substantially liquid, chlorine-free, sulfur-bridged, hindered phenol compositions, ...
|5780402||Alkylated thiophenol lubricants|
Novel alkylated thiophenols are high temperature stable lubricant fluids having low temperature properties and excellent load-carrying properties and additive solubility....
|5510043||Lubricating oil additive comprising sulfurized monoalkylcatechol and its derivatives|
A lubricating oil additive comprising an alkaline earth metal salt of a sulfurized monoalkylcatechol as a main component represented by the following general formula (I): ##STR1## wherein Me represents an alkaline earth metal, R1 and R
|4740321||Two-cycle engine oils containing sulfurized alkyl phenols|
Lubricating oils are described which are useful in two-cycle engines. These oils contain a minor amount of at least one phenolic compound of the general formula: (R)a --AR--(OH)b, or salts thereof, wherein R is a substantially saturated, ...
Metal phenates especially overbased phenates are prepared by reacting a basic metallic compound with a mixture of an alkyl phenol and an alkyldihydroxybenzene. The products are useful as lubricant additives with improved antirust properties, and when over...
|4169799||Lubricating oil composition|
Lubricant oil comprising a hydrocarbon oil of lubricating viscosity, a highly overbased alkaline earth metal-containing alkylphenolate detergent-dispersant composition sufficient to impart a total base number to said lubricant oil of at least 10; and a ch...
Lubricating oil containing a sulfurized dihydroxy benzene of formula ##STR1## WHERE N IS 1 TO 4, M IS 1 TO 3 AND R is an alkyl group containing at least 7 carbon atoms. These compounds impart anti-rust and anti-oxidancy to the oil with reduced copper...