Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 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 |
| 8048831 | Dispersant reaction product with antioxidant capability A novel crankcase dispersant reaction product having fused therein an antioxidant moiety whereby the dispersant reaction product can function as an antioxidant while retaining at least two structural domains, one being a polar domain for association with sludge and ... | 11/01/2011 |
| 7981847 | Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing graft copolymer A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers, methods of making such monomers, and graft copolymers comprising such ... | 07/19/2011 |
| 7951758 | Method of increasing hydrolytic stability of magnesium overbased products The hydrolytic stability of magnesium overbased products is significantly improved by the addition or inclusion of a mixture or reaction product of an alkylphenol resin with a mixture of an alkenyl succinic anhydride and the acid thereof, and an alkyl amine. These m... | 05/31/2011 |
| 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 |
| 7833954 | Lubricating composition The present application is directed to a lubricant composition comprising a major amount of a base oil; and a lead corrosion inhibiting amount of a reaction product of a hydrocarbyl carbonyl compound and an amine compound chosen from guanidines, ureas and thioureas;... | 11/16/2010 |
| 7585821 | Modified detergents and lubricating oil compositions containing same A modified lubricating oil detergent that is the reaction product of an oil soluble detergent comprising an alkali- or alkaline earth metal hydrocarbyl phenate, carboxylate or sulfonate and an α, β-unsaturated carbonyl compound; and lubricating oil compositions co... | 09/08/2009 |
| 7371713 | Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymer A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers, methods of making such monomers, and graft copolymers comprising such ... | 05/13/2008 |
| 7361629 | Additives for lubricants and fuels A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar r... | 04/22/2008 |
| 7351172 | Scratch preventing metal push belt and oil specification A composite driving belt provided with a carrier and a plurality of transverse elements assembled slidably thereon, the carrier including one or more bands, preferably composed of a plurality of endless metal bands disposed radially around each other, each element b... | 04/01/2008 |
| 7339007 | Low sediment process for thermally reacting highly reactive polymers and enophiles A process for forming an ene reaction product wherein an enophile, such as maleic anhydride, is reacted with reactive polyalkene having a terminal vinylidene content of at least 30 mol. %, at high temperature in the presence of a free radical inhibitor. The polyalke... | 03/04/2008 |
| 7329635 | Crude oil composition including dispersant material for mitigating fouling of process equipment and method for mitigating crude oil fouling A crude oil composition wherein fouling has been mitigating and a method for mitigating crude oil fouling. The composition includes crude oil and an improved dispersant material for mitigating fouling which comprises a reaction product of a polyamine and a polyisobu... | 02/12/2008 |
| 7214649 | Hydrocarbyl dispersants including pendant polar functional groups A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group and being selected from the group consisting of hydrocarbyl-substitu... | 05/08/2007 |
| 7189682 | All-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements A composition of the following components: an oil of lubricating viscosity; a polymethacrylate viscosity modifier; an ester of a maleic acid/styrene copolymer; and optionally, an additive package that imparts to the fluid the capacity to meet bench and dynamometer t... | 03/13/2007 |
| 7137401 | Drag reduction using maleated fatty acids Non-polymeric drag reducing agents in the form of maleated fatty acids and the esters thereof and the organic, inorganic or amine salts thereof are described herein. These additives are useful to reduce drag in hydrocarbon fluids and multi-phase fluids of hydrocarbo... | 11/21/2006 |
| 7091306 | Process for preparing polyalkenylsuccinimides The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of: (a) preparing a polyalkenyl derivative of an unsaturated acidic reagent... | 08/15/2006 |
| 7087557 | Metal-containing neutral and overbased salicylates based on styrenated salicylic acid A salicylate is disclosed, which has detergent and anti-oxidant properties, for use as a metal based detergent additive. An alkyl salicylic acid is derived from the alkylation of salicylic acid with styrene. The neutralization and subsequent overbasing of neutral sa... | 08/08/2006 |
| 7049273 | Hybridized olefin copolymer additives This invention relates to a novel multi-functional fuel and lubricant additive that provides dispersancy properties as well as viscosity index improver credit and, improved fuel economy. The invention further relates to concentrates, and to fuel and lubricating oil ... | 05/23/2006 |
| 7034079 | Radial polymers prepared by stabilized free radical polymerization A process for preparing a radial polymer comprising at least 3 polymeric arms and a central core comprising a polymerized di- or polyfunctional monomer, said process comprising the steps, (a) polymerizing at an elevated temperature... | 04/25/2006 |
| 6933351 | Process for forming polyalkenyl acylating agents A process for producing polyalkenyl acylating agent, wherein, upon completion of the thermal reaction of a polyalkene and an unsaturated mono- or dicarboxylic acid or anhydride compound, the reaction mixture is allowed to cool to below the reaction temperature, an a... | 08/23/2005 |
| 6906011 | Polymeric dispersants prepared from copolymers of low molecular weight polyisobutene and unsaturated acidic reagent This invention is directed to a new low molecular weight copolymer (The PIB/UAR copolymer) that may be prepared by reacting a low molecular weight polyisobutene (PIB) having less than about 32 carbon atoms with an unsaturated acidic reagent in the presence of a free... | 06/14/2005 |
| 6869919 | Lubricating oil compositions Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines equipped with EGR systems can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and/or dispersants. ... | 03/22/2005 |
| 6743757 | Dispersants and lubricating oil compositions containing same A dispersant that is a reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, wherein the reaction product has from greater than about 1.3 to less than about 1.7 mono- or di-carboxylic acid producing moieties p... | 06/01/2004 |
| 6696393 | Methods and compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a complex of a m... | 02/24/2004 |
| 6638897 | Lubricant oil composition for internal combustion engines (law859) The lubricating oil of the present invention exhibits an excellent effect of agglomerating solid impurity particles it contains to a sufficiently large size as to be captured and removed by an oil filter.... | 10/28/2003 |
| 6544935 | Nitrogen-containing esterified carboxy-containing interpolymers having enhanced oxidative stability and lubricants containing them A nitrogen-containing ester derived from a carboxy-containing interpolymer having a reduced specific viscosity (RSV) of from about 0.05 to about 2, said interpolymer being derived from at least two monomers, (i) one of said monomers being at least one of ... | 04/08/2003 |
| 6492306 | Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of: groups of the formula ##STR1## and each B is independen... | 12/10/2002 |
| 6486101 | Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having Mn ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached the... | 11/26/2002 |
| 6355603 | Thermal conversion products comprised of maleic anhydride and oligoalkenes, derivatives of the thermal conversion products with amines or alcohols and the use thereof Thermal reaction products of maleic anhydride and oligoalkenes are obtainable by oligomerization of linear C8 - to C12 -1-alkenes, preferably in the presence of a titanium, zirconium or hafnium metallocene catalyst and of an activato... | 03/12/2002 |
| 6300288 | Functionalized polymer as grease additive A grease of an oil of lubricating viscosity, a polyolefin having grafted acid functionality, a metallic species capable of interacting with the acid functionality of said polyolefin to cause association among the acid groups and a co-thickening agent, has... | 10/09/2001 |
| 6265358 | Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having Mn ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached the... | 07/24/2001 |
| 6265359 | Imide-Diurea and imide-urethane urea grease thickeners and organic solvent free process for preparation thereof An organic solvent free process for the preparation of a grease thickener which is at least one of an imide-diurea and an imide-urethane urea includes (a) providing approximately equimolar amounts of reagents including dibasic acid selected from the group... | 07/24/2001 |
| 6255258 | Dispersant additive An oil-soluble dispersant obtainable by reacting the reaction product of a polyamine and a long-chain hydrocarbyl-substituted dicarboxylic acid, anhydride or ester thereof with a polyanhydride, characterized in that the dispersant restricts the viscosity ... | 07/03/2001 |
| 6127322 | Dispersant additives The reaction product of (i) an oligomer formed from one monomer or two or more different monomers, the or each monomer being an ethylenically unsaturated compound and said oligomer or each of said monomers being optionally partially or fully esterified, w... | 10/03/2000 |
| 6077455 | Automatic transmission fluid of improved viscometric properties This invention provides compositions and methods for producing automatic transmission fluids capable of improved viscometric properties and capable of achieving -40° C. Brookfield viscosities not greater than 18,000 centipoise using natural lubricating o... | 06/20/2000 |
| 6030929 | Mixed carboxylic compositions and derivatives and use as lubricating oil and fuel additives A carboxylic composition comprising a mixture of hydrocarbon substituted carboxylic acylating agents, said mixture comprising (A) a polyolefin substituted carboxylic acylating agent prepared by reacting a polyolefin with an ,ଲ-unsaturated car... | 02/29/2000 |
| 5958848 | Low chlorine, low ash crankcase lubricant Multigrade crankcase lubricants having low concentrations of chlorine and sulphated ash use multifunctional viscosity modifiers in place of conventional chlorine-containing dispersants. The lubricant contains at least 1.5 weight percent of a chlorine-cont... | 09/28/1999 |
| 5866519 | Automatic transmission fluids of improved viscometric properties This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.... | 02/02/1999 |
| 5851966 | Reaction products of substituted carboxylic acylating agents and carboxylic reactants for use in fuels and lubricants Compositions of matter for use in oils and fuels are disclosed. The compositions arise from reaction products (C) formed by reacting substituted carboxylic acylating agents (A) with carboxylic reactants (B). The reactant (A) is usually a polyolefin substi... | 12/22/1998 |
| 5811378 | Metal containing dispersant-viscosity improvers for lubricating oils A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising (a) a hydrocarbon polymer grafted with an ,ଲ-ethylenically unsaturated carboxy... | 09/22/1998 |
