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| Number | Title | Issue Date |
| 8183192 | Lubricating oil additive and lubricating oil composition containing same An overbased salt of an oligomerized alkylhydroxyaromatic compound for use in a lubricating oil composition is disclosed, wherein the alkyl group of the alkylhydroxyaromatic compound is derived from an olefin mixture comprising propylene oligomers having an initial ... | 05/22/2012 |
| 8183189 | Preparation of a sulfurized molybdenum amide complex and additive compositions having low residual active sulfur The invention is directed to oil soluble additive compositions, lubricating oil compositions derived from a process for preparing a sulfurized oil soluble molybdenum complex having reduced active sulfur comprising: reacting an acidic molybdenum compound with an amid... | 05/22/2012 |
| 8163680 | Method of demulsing a natural gas dehydrator Provided is a method of inhibiting the formation of emulsions in a natural gas dehydrator by lubricating the upstream compressors and natural gas engines with a lubricating oil comprising an effective amount of one or more demulsifiers. Provided is also a method of ... | 04/24/2012 |
| 8148591 | Method of making a synthetic alkylaryl compound A process for alkylating an aromatic compound comprising reacting at least one aromatic compound with a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst wherein the resulting product comprises at least about... | 04/03/2012 |
| 8138130 | Fused-ring aromatic amine based wear and oxidation inhibitors for lubricants A multifunctional product is prepared by the reaction of an alkyl or alkenyl succinic acid derivative with a Fused-Ring Aromatic diamine, with a charge mole ratio of the diamine moiety in stoichiometric excess, under reactive conditions to thereby yield a multifunct... | 03/20/2012 |
| 8133954 | Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides Provided herein are methods for preparing vinylidene-terminated polyolefins. Further, provided herein are novel sulfide-terminated polyolefins of the formula: wherein R1 is a polyolefin group and R2 is... | 03/13/2012 |
| 8084404 | Crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines The present invention is directed to a crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines comprising (A) a major amount of an oil of lubricating viscosity, and (B) a silver wear protection additive composition, and (... | 12/27/2011 |
| 8076275 | Reduced color molybdenum-containing composition and a method of making same Antioxidant additives for lubricating oils are prepared by reacting an acidic molybdenum compound or salt thereof and a basic nitrogen compound where the temperature of the process does not exceed 120° C., resulting in a product color that is light in intensity. | 12/13/2011 |
| 8076272 | Method of making a synthetic alkylaryl sulfonate A process for preparing an alkylaryl sulfonate comprising (a) reacting at least one meta-xylene compound with olefin or a mixture of olefins having from about 10 to about 20 carbon atoms, in the presence of an acid catalyst, wherein the resulting product comprises n... | 12/13/2011 |
| 8067347 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound, with at least one aliphatic compound, and with at least one aromatic compound. ... | 11/29/2011 |
| 8067346 | Tetraoxy-silane lubricating oil compositions Disclosed are lubricating oil compositions comprising a major amount of an oil of lubricating viscosity and a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected f... | 11/29/2011 |
| 8030258 | Overbased alkaline earth metal alkylhydroxybenzoates having low crude sediment A process for preparing an overbased alkaline earth metal alkylhydroxybenzoate, said process comprising overbasing an alkaline earth metal alkylhydroxybenzoate or a mixture of alkaline earth metal alkylhydroxybenzoate and up to 50 mole % of alkylphenol, based on the... | 10/04/2011 |
| 8022023 | Lubricating oil additive and lubricating oil composition containing same A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting a succinimide of a polyamine of formula I: wherein R is a hydrocarbon radical having a number average molecular weight of ... | 09/20/2011 |
| 8022022 | Lubricating oil additive and lubricating oil composition containing same A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting an alkyl or alkenyl succinimide of a polyamine of formula I wherein R is an about C12 to about C30 a... | 09/20/2011 |
| 8013073 | Method for preparing polyolefins containing vinylidine end groups using nonaromatic heterocyclic compounds Disclosed is a method for preparing polyolefins containing vinylidine end groups from quasiliving carbocationically terminated polyolefin polymers by contacting the quasiliving carbocationically terminated polymer with a suitable nonaromatic heterocyclic ring quench... | 09/06/2011 |
| 8003583 | Benzo[b]perhydroheterocyclic arylamines and lubricating oil compositions Benzo[b]perhydroheterocyclic arylamine compounds have shown to be particularly useful as stabilizers. The compounds may serve as antioxidants, antiozoants, heat stabilizers and ultraviolet light stabilizers and such compounds are oil soluble, thus particularly suite... | 08/23/2011 |
| 7985592 | High throughput screening methods for lubricating oil compositions Methods for determining the compatibility of a plurality of fluid samples of different lubricating oil compositions with elastomers is provided. Each sample includes one or more base oils of lubricating viscosity and one or more lubricating oil additives. The method... | 07/26/2011 |
| 7981846 | Lubricating oil composition with improved emission compatibility A lubricating oil composition comprising a major amount of an oil of lubricating viscosity, an alkaline earth metal borated sulfonate detergent, and, optionally, a molybdenum-containing compound, wherein the lubricating oil composition comprises no more than 0.12 wt... | 07/19/2011 |
| 7964745 | Method of making a synthetic alkylaryl sulfonate A synthetic petroleum sulfonate prepared by a process comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst; (b) r... | 06/21/2011 |
| 7964611 | Process for making alkaline earth metal borated sulfonates An alkaline earth metal borated sulfonate prepared by a process comprising reacting a mixture of the following materials (A) (1) at least one of an oil soluble sulfonic acid or alkaline earth sulfonate salt or mixtures thereof (2) at least one source of an alkaline ... | 06/21/2011 |
| 7964543 | Mannich condensation products useful as sequestering agents The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich... | 06/21/2011 |
| 7960324 | Additive composition having low temperature viscosity corrosion and detergent properties An additive composition providing improved low temperature viscosity, corrosion and detergent properties when used in lubricating oils for internal combustion engines is presented. The additive composition comprises an unsulfurized carboxylate detergent-dispersant a... | 06/14/2011 |
| 7960322 | Lubricating oil compositions comprising a biodiesel fuel and an antioxidant This invention encompasses a lubricating oil composition contaminated with at least about 0.3 wt % of a biodiesel fuel or a decomposition product thereof, based on the total weight of the lubricating oil composition, comprising: a.... | 06/14/2011 |
| 7956022 | Low sulfur metal detergent-dispersants A process for preparing alkylhydroxybenzoate detergent-dispersant additives having low sulfur content and high TBN is described. The alkali metal alkylhydroxylbenzoate, alkaline earth metal alkylhydroxybenzoate and overbased alkaline earth metal alkylhydroxybenzoate... | 06/07/2011 |
| 7928044 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aromatic compound. ... | 04/19/2011 |
| 7926453 | Engine oil compositions A lubricating oil composition comprising (a) a major amount of a base oil of lubricating viscosity and (b) a minor deposit-inhibiting effective amount of a reaction product prepared by transesterifying at least one glycerol ester and at least one non-glycerol polyol... | 04/19/2011 |
| 7884058 | Stable colloidal suspensions and lubricating oil compositions containing same A stable colloidal suspension comprising: (a) a dispersed phase comprising a major amount of one or more dispersed hydrated polymeric compounds selected from the group consisting of polymolybdates, polytungstates, polyvanadates, polyniobates, polytantalates, polyura... | 02/08/2011 |
| 7875576 | Lubricating oil composition for internal combustion engines Disclosed herein is a lubricating oil composition comprising a) major amount of a base oil of lubricating viscosity; b) from about 0.1 to 10 wt % of an overbased alkaline earth metal alkyl aryl sulfonate detergent having a total base number (TBN) of about 25 to 500;... | 01/25/2011 |
| 7871965 | Gear oil having low copper corrosion properties A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibi... | 01/18/2011 |
| 7868209 | Process for making borated alkaline earth metal toluene sulfonates Provided is a new and improved process for preparing a borated alkaline earth metal toluene sulfonate salt. ... | 01/11/2011 |
| 7858566 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one polyether aromatic compound, and with at least one polyether aliphatic compound. ... | 12/28/2010 |
| 7838474 | Lubricating oil compositions comprising a biodiesel fuel and a detergent This invention encompasses lubricating oil compositions comprising a base oil, a biodiesel fuel and a detergent. The detergent can be a metal phenate detergent such as alkaline metal phenates. The lubricating oil compositions can further comprise at least one antiwe... | 11/23/2010 |
| 7824454 | Fuel composition for rectifying fuel gauge sending unit problems A unique combination of a certain poly(oxyalkylene) amine and a thiadiazole compound when employed as a fuel additive in a hydrocarbon fuel such as gasoline or diesel fuel will preclude fuel gauge sending units from sustaining sulfur-related corrosion damage or rest... | 11/02/2010 |
| 7820605 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one polyether aromatic compound. ... | 10/26/2010 |
| 7820604 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one polyether aliphatic amine compound. ... | 10/26/2010 |
| 7816459 | Method for preparing polyolefins containing vinylidine end groups using polymeric nitrogen compounds Disclosed is a method for preparing polyolefins containing vinylidine end groups from quasiliving carbocationically terminated polyolefin polymers by contacting the quasiliving carbocationically terminated polymer with quenching agent selected from the group consist... | 10/19/2010 |
| 7816309 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aliphatic compound capable of reacting with at least one monocarboxylic acid or ester thereof, or... | 10/19/2010 |
| 7790924 | Process for preparing alkylene oxide-adducted hydrocarbyl amides A process is described for preparing alkylene oxide-adducted hydrocarbyl amides having less than 2 wt % of amine by-products by a) reacting a C4-C30 fatty acid or fatty acid lower alkyl ester with a mono- or d... | 09/07/2010 |
| 7786059 | Anti-wear additive composition and lubricating oil composition containing the same An anti-wear additive composition comprising at least one acid phosphite compound and at least one neutral phosphite compound, wherein the ratio of the acid phosphite to the neutral phosphite is from about 1.0:10.7 to about 2.0:1.0, and lubricating oil compositions ... | 08/31/2010 |
| 7767633 | Low sulfur and low phosphorus heavy duty diesel engine lubricating oil composition The present invention is directed to a low sulfur and low phosphorus heavy duty diesel engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity and (b) one or more dispersants (c) one or more anti-oxidants and (d) one or mo... | 08/03/2010 |
