Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7329772 | Method for the preparation of a hydroxyalkyl hindered phenolic antioxidant A method of making a hindered phenolic antioxidant is disclosed wherein the method comprises: reacting an ester of the formula: wherein ... | 02/12/2008 |
| 7211675 | Antiozonant based on functionalized benzotriazole UV absorbers and the process thereof A process for the preparation of a novel antiozonant and antioxidant, based on functionalized benzotriazole UV absorbers, and the process for the preparation thereof having a general Formula I: wherein R1 | 05/01/2007 |
| 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 |
| 7025898 | Heating medium composition, and method for feeding an oxidation inhibitor to a heat exchange apparatus A heating medium composition for suppressing deterioration of both a metal piping and a synthetic resin piping. The heating medium composition contains an antifreeze ingredient, water, a corrosion inhibitor, and a surfactant. The corrosion inhibitor includes a triaz... | 04/11/2006 |
| 7018960 | Lubricant composition, method for using and preparing thereof and molecular complex compound used for the same A lubricant composition containing a molecular complex compound formed by inter-molecular interaction of one or more keto-enol tautomeric compounds, wherein said molecular complex compound contains as a constituent a keto-enol tautomeric compound (but excluding spec... | 03/28/2006 |
| 6448208 | Liquid polyfunctional additives A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of... | 09/10/2002 |
| 5843873 | Lubricants and fluids containing thiocarbamates and phosphorus Lubricants containing a compound of the structure R1 R2 N--C(X')S--(CR3 R4)a Y where X' is an oxygen or sulfur atom and Y is, e.g., an activating group; also containing a phosphorus acid or ester of the formula... | 12/01/1998 |
| 5552069 | Additives for fuels and lubricants Polyalkylene amine coupled heterocyclic compounds are effective multifunctional additives, providing cleanliness to fuels and lubricants as well as anti-wear, friction-modifying, thermal and oxidative stabilizing properties. The beneficial effects of the ... | 09/03/1996 |
| 5538653 | Friction modifiers and antiwear additives for fuels and lubricants The invention relates to lubricant and fuel additives having antiwear and friction reducing properties. The invention also relates to compositions of oils with viscosities appropriate for lubricants, greases produced therefrom, and fuels and methods for m... | 07/23/1996 |
| 5534171 | Process for making a polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof A polymeric lubricant additive that behaves as a viscosity index improver and imparts enhanced anti-oxidancy, dispersancy, and anti-wear properties to said lubricant oil has been prepared. The polymeric substrate is a random co- or terpolymer of ethylene ... | 07/09/1996 |
| 5273671 | Multifunctional viscosity index improver-dispersant antioxidant Oleaginous compositions, particularly lubricating oil compositions, exhibiting improved antioxidant properties containing a viscosity index improving amount of a viscosity index improver-dispersant comprised of the reaction products of: (a) an oil soluble... | 12/28/1993 |
| 5271856 | Heterocyclic nitrogen compound Mannich base derivatives of amino-substituted polymers for oleaginous compositions The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde and amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by... | 12/21/1993 |
| 5259968 | Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product A composition of matter useful as an oleaginous composition dispersant additive comprising the reaction product of: (1) at least one nitrogen or ester containing adduct selected from the group consisting of (i) oil soluble salts, amides, imides, oxazolines, ... | 11/09/1993 |
| 5241003 | Ashless dispersants formed from substituted acylating agents and their production and use Succinimides, succinic esters, and succinic ester-amides are formed by (A) reacting (i) at least one substantially aliphatic polymer of at least one lower olefin, and (ii) an acidic reactant or a mixture of two or more acidic reactants represented by the ... | 08/31/1993 |
| 5211865 | Multifunctional viscosity index improver-dispersant antioxidant Oleaginous compositions, particularly lubricating oil compositions, exhibiting improved antioxidant properties containing a viscosity index improving amount of a viscosity index improver-dispersant comprised of the reaction products of: (a) an oil soluble... | 05/18/1993 |
| 5200100 | Multifunctional viscosity index improver containing phenothiazine Multi-functional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated functional monomer containing phenothiazine.... | 04/06/1993 |
| 5139688 | Dispersant and antioxidant additive and lubricating oil composition containing same An additive composition comprising an amine-derivatized oxidized copolymer prepared from ethylene and at least one C3 to C10 alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from ... | 08/18/1992 |
| 5043084 | Novel polymer substituted amino phenol mannich base amido-amine dispersant additives (PT-742) The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of (A) a polymer substituted mono- or dicarboxylic acid material, (B) an optionally alkyl-substituted N-hydroxyaryl compound, (C) an aldehyde, a... | 08/27/1991 |
| 4758362 | Carbamate additives for low phosphorus or phosphorus free lubricating compositions A phosphorus free or a low phosphorus containing lubricant composition is provided by formulating the composition with an additive of the formula ##STR1## wherein R1 and R2 are independently alkyl of 1 to about 7 carbons, aryl, ... | 07/19/1988 |
| 4758363 | Oxidation and corrosion resistant diesel engine lubricant An oxidation and corrosion resistant diesel engine lubricant composition, particularly useful in marine and railway diesel engines, comprises a major amount of a base hydrocarbon lubricating oil and from 0.1-5.0 weight percent of a reaction product additi... | 07/19/1988 |
| 4668412 | Lubricating oil containing dispersant VII and pour depressant Lubricating oils of improved properties contain a terpolymer of maleic acid anhydride and lauryl methacrylate and stearyl methacrylate which has been functionalized with dimethylaminopropylamine and a Mannich base of N-aminoethylpiperazine, paraformaldehy... | 05/26/1987 |
| 4640788 | Hydrocarbon compositions containing polyolefin graft polymers Lubricants of improved properties contain ethylene-propylene copolymers bearing graft units derived from, as a functional monomer, the reaction product of (i) an unsaturated aldehyde or ketone and (ii) a primary or secondary amine which contains at least ... | 02/03/1987 |
| 4419255 | Lubricating oil containing keto amide as friction reducing agent Lubricating oil characterized by improved friction reduction contains friction reducing amounts of a keto amide prepared by the reaction of an amine and an unsaturated cyclic keto acid bearing pendant alkyl groups.... | 12/06/1983 |
| 4397749 | Oil-soluble metal thiolate-succinimide complexes Oil-insoluble metal thiolates prepared by reacting an acyloin, phosphorus pentasulfide and a heavy metal salt are rendered oil soluble when combined with alkenyl or alkyl mono- or bis-succinimides. The complexes are effective as anti-oxidants and anti-wea... | 08/09/1983 |
| 4374034 | Polymeric compositions, method for their preparation, and lubricants containing them Compositions useful as multi-purpose lubricant and functional fluid additives and as thickeners and anti-sag additives for resins, paints and the like are prepared by free radical polymerization of at least one ethylenically unsaturated monomer in the pre... | 02/15/1983 |
| 4255271 | Phosphorus-containing compounds and lubricants containing same Phosphosulfurized hydrocarbyl oxazoline reacted with nitrogen-containing compounds and certain olefins are novel compounds effective for reducing friction and wear when added to a lubricant.... | 03/10/1981 |
| 4248725 | Dispersants having antioxidant activity and lubricating compositions containing them Lubricating oil additives having both dispersant and antioxidant activity, particularly useful for incorporation in two-stroke petrol engine lubricating oil compositions, are produced when a dispersant having free >N-H groups, e.g. a substituted succinimi... | 02/03/1981 |
| 4172140 | Antimicrobial hydantoin derivative compositions and method of use Antimicrobial compositions for inhibiting the growth of microorganisms in an aqueous fluid medium comprising an admixture of a condensation product of 5,5-dimethylhydantoin and formaldehyde with a chelating agent. A method for inhibiting microorganism gro... | 10/23/1979 |
| 4160739 | Polyolefinic copolymer additives for lubricants and fuels Graft copolymers wherein the backbone polymer is a polymeric hydrocarbon such as ethylene/propylene copolymer and the grafted units are the residues of a monomer system comprising maleic acid or anhydride and one or more other monomers copolymerizable the... | 07/10/1979 |
| 4097389 | Novel amino alcohol reaction products and compositions containing the same Alkenylsuccinic anhydride is reacted with an amino alcohol, such as tris(hydroxymethyl)aminomethane, to provide intermediate reaction products from which novel derivatives are obtained by reacting the said intermediate product with boric acid or organobor... | 06/27/1978 |
| 4025316 | Mannich base reaction products useful as liquid hydrocarbon additives Polymeric alkyl-hydroxy benzyl N-substituted amines having a high degree of ring formation are derived from the condensation reaction of C8 -C40 aliphatic alkyl substituted hydroxy aromatic, an aldehyde and an amine, wherein the mola... | 05/24/1977 |
