81 |
Treatment of polyphenyl thioethers with alkali metals and oxygen gas |
US3532758D |
1968-01-26 |
US3532758A |
1970-10-06 |
GIESEKING CARL W |
|
82 |
Polymers and the use thereof as lubricating agents in the production of alkali metal films |
US16946048 |
2020-06-04 |
US11453835B2 |
2022-09-27 |
Karim Zaghib; Michel Armand; Patrick Bouchard; Serge Verreault; Julie Hamel-Pâquet; Gabriel Girard |
Polymers used as rolling lubricating agents, to compositions including said polymers, and to alkali metal films including the polymers or compositions on the surface(s) thereof. The use of said polymers and compositions is also described for strip-rolling alkali metals or alloys thereof in order to obtain thin films. Methods for producing said thin films, which are suitable for use in electrochemical cells, are also described. An improved lubricant according to formula I, which, for example, achieves enhanced conductivity, and/or enables the production of electrochemical cells having an improved life span in cycles. |
83 |
Metal nanoparticles as lubricant additives |
US16412548 |
2019-05-15 |
US11370988B2 |
2022-06-28 |
Chanaka Kapila Kumara Ihala Gamaralalage; Jun Qu |
A lubricant composition comprising: (i) silver or gold nanoparticles, each of which is encapsulated by a layer of alkylthiol or alkylamine molecules; (ii) palladium or platinum nanoparticles, each of which is encapsulated by a layer of alkylthiol or alkylamine molecules; and (iii) a fluid in which components (i) and (ii) are present. Further described are methods for applying the lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction and wear reduction and/or corrosion inhibition. |
84 |
Lubricating oil composition and method of producing the same |
US16758234 |
2018-10-24 |
US11214749B2 |
2022-01-04 |
Ryuji Monden; Yu Gao; Kunio Kondo; Masumi Kuritani |
The lubricating oil composition includes a base oil and a fullerene adduct. |
85 |
Nitrogen-functionalized olefin polymers for driveline lubricants |
US16638632 |
2018-08-16 |
US11180711B2 |
2021-11-23 |
Sona Sivakova; David M. Nickerson; Paul Simon O'Hora; William R. S. Barton |
A lubricant composition of an oil of lubricating viscosity, a grafted copolymer viscosity modifier that is an ashless condensation reaction product of an olefin polymer, having a number average molecular weight of about 1000 to about 10,000, comprising carboxylic acid or equivalent functionality grafted onto the polymer backbone, with a monoamine or a polyamine often having a single primary amino group, which exhibits good dispersancy and viscometric performance in a driveline device. |
86 |
Oxazoline modified dispersants |
US16246030 |
2019-01-11 |
US11046908B2 |
2021-06-29 |
Arturo Carranza; Sheng Jiang; John Loper |
The present disclosure relates to oxazoline modified lubricant additives that have dispersant properties and lubricating oil compositions including such dispersant lubricant additives. The disclosure also relates to the use of lubricant compositions comprising the additives of the disclosure for improving the soot or sludge handling characteristics of an engine lubricant composition while providing robust and consistent frictional performance at the same time. |
87 |
Grafted polymer with soot handling properties |
US15905965 |
2018-02-27 |
US10851324B2 |
2020-12-01 |
Sheng Jiang; Arturo Carranza |
The present disclosure relates to oxazoline modified lubricant additives that have dispersant properties and lubricating oil compositions comprising said dispersant lubricant additives. The disclosure also relates to the use of lubricant compositions comprising the additives of the disclosure for improving the soot or sludge handling characteristics of an engine lubricant composition, while minimizing the deterioration of engine seals. |
88 |
Use of borated compounds for the improvement of the compatibility of
lubricating oils with fluorocarbon elastomers |
US389303 |
1999-09-02 |
US6124247A |
2000-09-26 |
Jacques Cazin; Pierre Tequi; William M. Kleiser; Peter Kleijwegt |
The invention relates to the use of an effective quantity of borated compounds having the following general formula I: ##STR1## in which X is S or O, and R is a hydrocarbyl group containing at least 3 carbon atoms, in particular between 3 and 50 carbon atoms and preferably between 3 and 17 carbon atoms, as an additive improving the compatibility of a lubricating oil composition, comprising dispersants containing basic nitrogen atoms, with fluorocarbon elastomers. In a preferred fashion, the compound of general formula I is borated glycerol monooleate and the concentration of the compound of general formula I is such that the % Boron/% basic N ratio of the lubricating composition varies from 0.25 to 5. |
89 |
Detergent compositions |
US371552 |
1995-01-11 |
US5674821A |
1997-10-07 |
Stephen James Cook; Sean Patrick O'Connor; John Crawford |
A detergent concentrate composition suitable for incorporation into a finished lubricating oil comprises: (A) an additive concentrate comprising: (a) a lubricating oil, and (b) a lubricating oil soluble sulphurized or non-sulphurized alkaline earth metal hydrocarbyl phenate modified by reaction to incorporate from greater than 2 to less than 40% by weight based on the weight of the concentrate (A) of either (i) at least one carboxylic acid having the formula: ##STR1## wherein R is a C.sub.10 to C.sub.24 alkyl or alkenyl group and R.sup.1 is either hydrogen, a C.sub.1 to C.sub.4 alkyl group or a --CH.sub.2 --COOH group, or an anhydride or ester thereof, or (ii) a di- or polycarboxylic acid containing from 36 to 100 carbon atoms or an anhydride or ester thereof, the concentrate having a BN greater than 300 and a viscosity at 100.degree. C. of less than 1000 cSt, and (B) an additive concentrate comprising: (a) a lubricating oil, and (b) a lubricating oil soluble sulphurized or non-sulphurized alkaline earth metal hydrocarbyl phenate, that has not been modified or has been modified by reaction to incorporate less than 0.1% by weight based on the weight of the concentrate (B) of either (i) or (ii), the concentrate preferably having a BN of less than 300. |
90 |
Oil-soluble adducts of disuccinimides and anhydrides of unsaturated
bicarboxylic aliphatic acids |
US253054 |
1994-06-02 |
US5466387A |
1995-11-14 |
Orazio Pianta; Paolo Koch |
Oil-soluble additives with dispersant properties inert towards fluoroelastomers are described, prepared by reacting an alkyl or alkenyl disuccinimide with an anhydride of an unsaturated bicarboxylic aliphatic acid or the corresponding acid. The reaction is conducted at a temperature of between 130.degree. and 170.degree. C. The molar ratio of anhydride to disuccinimide is between 1.05 and 1.95 |
91 |
Electrorheological fluids containing eletronically conductive polymers |
US166776 |
1993-12-14 |
US5435932A |
1995-07-25 |
Charles P. Bryant; Kasturi Lal; Joseph W. Pialet |
Non-aqueous electrorheological fluids are described which comprise a major amount of a hydrophobic liquid phase and a minor amount of a dispersed particulate phase comprising conductive polymers selected from the group consisting of polypyrroles, polyphenylenes, polyacetylenes, polyvinylpyridines, polyvinylpyrrolidones, poly(substituted anilines), polyvinylidene halides, polyphenothiazines and polyimidazoles. The electrorheological fluids prepared in accordance with the present invention are useful in a variety of applications including flotational coupling devices such as clutches for automobiles or industrial motors, transmissions, brakes or tension control devices; and linear damping devices such as shock absorbers, engine mounts and hydraulic actuators. |
92 |
Use of modified 5-7 a pore molecular sieves for isomerization of
hydrocarbons |
US556560 |
1990-07-20 |
US5282958A |
1994-02-01 |
Donald S. Santilli; Mohammad M. Habib; Thomas V. Harris; Stacey I. Zones |
A process is disclosed for dewaxing a hydrocarbon feed to produce a dewaxed lube oil. The feed includes straight chain and slightly branched chain paraffins having 10 or more carbon atoms. In the process the feed is contacted under isomerization conditions with an intermediate pore size molecular sieve having a crystallite size of no more than about 0.5.mu. and pores with a minimum diameter of at least 4.8.ANG. and with a maximum diameter of 7.1.ANG. or less. The catalyst has sufficient acidity so that 0.5 g thereof when positioned in a tube reactor converts at least 50% of hexadecane at 370.degree. C., a pressure of 1200 psig, a hydrogen flow of 160 ml/min, and a feed rate of 1 ml/hr. It also exhibits 40 or greater isomerization selectivity when used under conditions leading to 96% conversion of hexadecane to other chemicals. The catalyst includes at least one Group VIII metal. The contacting is carried out at a pressure from about 15 psig to about 3000 psig. |
93 |
Lubricant compositions |
US646655 |
1991-01-28 |
US5194168A |
1993-03-16 |
Nobuo Aoki; Shinichiro Suzuki |
Lubricant compositions of high lubrication and light coloration characteristics are made up essentially of a selected mineral or synthetic oil and a selected polybutadiene. The polymeric component contains greater than 20% by mol of vinyl bonds in terms of its monomeric unit and has crosslinked more than 10% of the vinyl bond content. |
94 |
Preparation of modified star polymers |
US450100 |
1989-12-13 |
US5141996A |
1992-08-25 |
Arie V. Zon; Gerarda J. Klaver |
A process for preparing a grafted star polymer which comprises contacting a nitrogen-containing polymerizable organic polar compound with a star polymer (as hereinbefore defined) in the presence of a free radical polymerization initiator and characterized in that the reaction is carried out in a mineral oil solvent and, as coupling inhibitor, either a chain transfer agent, a pi-electron donor, or a comonomer, together with the modified, hydrogenated star polymers thus produced, and their use as luboil additives. |
95 |
Oil additive compositions exhibiting reduced haze containing polymeric
viscosity index improver |
US271695 |
1988-11-16 |
US4966722A |
1990-10-30 |
Marvin F. Smith, Jr. |
Oil compositions comprising a lubricating oil and oil-soluble ethylene-alpha-olefin copolymer viscosity index improvers are substantially haze-free when said compositions contain an anti-hazing effective amount of a hydrocarbyl substituted succinic acid. The ethylene-alpha-olefin copolymer comprises intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains containing at least one crystallizable segment of methylene units and at least one low crystallinity ethylene-alpha-olefin copolymer segment, wherein said at least one crystallizable segment comprises at least about 10 weight percent of said copolymer chain and contains at least about 57 weight percent ethylene, wherein said low crystallinity segment contains not greater than about 53 weight percent ethylene, and wherein said copolymer has a molecular weight distribution characterized by at least one of a ratio of M.sub.w /M.sub.n of less than 2 and a ratio of M.sub.z /M.sub.w of less than 1.8, and wherein at least two portions of an individual intramolecularly heterogeneous chain, each portion comprising at least 5 weight percent of said chain, differ in composition from one another by at least 7 weight percent ethylene. The invention also relates to the process for preparing said compositions. |
96 |
Lubricating composition |
US121193 |
1987-11-16 |
US4873004A |
1989-10-10 |
Christiaan D. M. Beverwijk; Feike De Jong; Peter Sant |
A lubricating composition comprising a major portion of a lubricating oil and a minor portion of an alkyl or alkenyl-substituted succinimide, which succinimide is the reaction product of a polyamine with 3 to 25 carbon atoms, such has been selected from linear and branched alkylene polyamines, cycloaliphatic polyamines and heterocyclic polyamines, and an alkyl or alkenyl-substituted succinic anhydride, in which the alkyl or alkenyl moiety has a number average molecular weight from 600 to 1300 and in which the average number of succinic groups per alkyl or alkenyl group is between 1.4 and 4.0. |
97 |
Hydraulic fluid compositions, novel glucamine derivatives and complex
compounds containing same |
US137269 |
1987-12-23 |
US4830770A |
1989-05-16 |
Hermann O. Wirth; Hans-Helmut Friedrich |
The invention relates to compositions comprising a lubricant or a hydraulic fluid and at least one compound of the general formula ##STR1## wherein n is 2, 3 or 4, X is --S--, --O--, --O--CO-- or --CH.sub.2 --, R.sup.1 is C.sub.1 -C.sub.22 alkyl, C.sub.5 -C.sub.6 cycloalkyl or phenyl, and R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.4 alkyl which is substituted by an --OH group, or a group of the formula --CH.sub.2 --CH(OH)--CH.sub.2 --X--R.sup.1, wherein X and R.sup.1 have the given meanings, and to novel compounds of the formula indicated above. The glucamine derivatives of formula I are especially suitable for use as antiwear agents and as extreme pressure additives for mineral and synthetic lubricant oils and hydraulic fluids, and also as amphipolar ligands for imparting lipophilic properties to intrinsically hydrophilic metal salts, metal oxides, metal hydroxides and to protic acids. The complex compounds so obtained of the formulaM.sub.n.sup.m. X.sub.m.sup.n. pY.qZ,wherein M is a cation of valency m or a proton, X is an anion of valency n, Z is a compound of formula I, Y is water or a neutral organic molecule, p is a value from 0 to 2, q is a value from 1 to 8, m is an integer from 1 to 6 and n is an integer from 1 to 4, are also disclosed. |
98 |
Stabilized organopolysiloxane oils |
US61630 |
1987-06-15 |
US4732994A |
1988-03-22 |
Manfred Riederer; Martin Piehler |
This invention relates to a method for stabilizing organopolysiloxane oils containing triorganosiloxy groups in their terminal units, in which the organopolysiloxane oils are contacted with compounds having the formulas:R.sub.3.sup.' SiX or (R.sub.3.sup.' Si).sub.2 Y,where R' represents the same or different hydrocarbon radicals having from 1 to 18 carbon atoms and halogenated hydrocarbon radicals having from 1 to 18 carbon atoms; X is a halogen atom, a hydrogen atom, a hydroxyl group or a monovalent radical that consists of nitrogen, hydrogen, oxygen and from 0 to 6 carbon atoms and which is bonded to the silicon atom via an oxygen or a nitrogen atom; Y is a divalent radical selected from the group consisting of an oxygen atom, an NH radical, an NR" radical, or a divalent radical consisting of nitrogen, hydrogen, oxygen and from 0 to 6 carbon atoms, which is bonded to the silicon atoms via oxygen and/or nitrogen atoms; and R" is a hydrocarbon radical having from 1 to 8 carbon atoms. These stabilized oils may be used as power transmission fluids, especially in viscous clutches. |
99 |
Polymeric thiadiazole lubricant additive |
US719596 |
1985-04-03 |
US4618438A |
1986-10-21 |
Sameeh S. Toukan; James P. King |
Method of preparing an oil soluble lubricant additive composition which includes forming a stable reaction product of a polymer of 3,5-dimercapto-1,2,4-thiadiazole, a polyalkylene succinimide, a fatty acid, and a mercaptan of 8 to 15 carbon atoms. |
100 |
Process for chemically bonding lubricant to an information carrier and
products thereof |
US489918 |
1983-04-29 |
US4446193A |
1984-05-01 |
Ali Afzali-Ardakani; John I. Crowley; Anthony W. Wu |
A lubricant is chemically bonded to an information carrying solid surface by contacting the surface with a diazoketone-terminated polymeric lubricant and decomposing said diazoketone-terminated polymeric lubricant to form a carbene which reacts with the solid surface. |