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4215002 |
Water-based phosphonate lubricants
Water-based lubricant useful for metal cutting, grinding and forming and suitable as hydraulic fluids are described as consisting essentially of 0.5 to 4 percent by weight, balance, water; of a...
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4209414 |
Dual-purpose hydraulic fluid
A synthetic dual-purpose fluid for use as a hydraulic fluid and in metal cutting operations, particularly where hydraulic fluid leakage cannot be tolerated in hydraulically operated machines...
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4206067 |
Thermally stabilized erosion-inhibited functional fluids containing perhalometal compounds and an organic base
The addition of an organic base to a functional fluid containing a perhalometallic or perhalometalloidic salt maintains the pH of the fluid greater than 7 and thereby stabilizes the antierosion...
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4181619 |
Antiwear composition
Hydraulic fluids containing the reaction product of benzotriazole and tricresyl phosphate are stabilized by the addition thereto of minor amounts of calcium dinonyl naphthalene sulfonate and...
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4179389 |
Stabilized hydraulic fluid
Mineral oil or synthetic hydrocarbon base hydraulic fluids containing a zinc bis(dialkyldithiophosphate) as an antiwear agent are stabilized against degradation at elevated operating temperatures...
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4176076 |
Monoalkanolamide borates, compositions containing the same, and the use thereof as rust-inhibitors and as synergistic lubricative-enhancive addenda
As novel compounds, monoalkanolamide borates having from 2 to 3 carbon atoms in the alkanol moiety and in which the moiety is substituted or unsubstituted, a method for making and using the same,...
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4160740 |
Inhibited aqueous, methoxypropanol coolant adjusted to a pH between about 6 and 9
A coolant comprising water and one of 1-methoxy-2-propanol, 2-methoxy-1-propanol or mixtures thereof, resistant to degradation of fluoroelastomers and which is inhibited against corrosion of...
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4149985 |
Process for the preparation of a gel resistant glycol composition containing an alkali metal borate and silicate
Glycol composition useful as antifreeze compositions are prepared containing borates and silicates together with other corrosion inhibitors. The silicates are added to the glycol compositions after...
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4138346 |
Water-based hydraulic fluid
The present invention relates to the use, as hydraulic fluids or metalworking lubricants, of compositions having water as a base and improved extreme pressure lubricating and wear-preventing...
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4137189 |
Three component common hydraulic fluid comprising a non-linear siloxane fluid
A composition is disclosed which consists essentially of (A) select siloxane fluids, (B) select chlorendates and (C) select metal phosphorodithioates or dithiocarbamates. These compositions are...
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4119548 |
Reaction product of nickel thiobis(alkylphenolate) and thiobis(alkylphenol) and organic compositions containing the same
Nickel (II) thiobis(alkylphenolate) complex with thiobis(alkylphenol) forms novel complexes having improved antioxidant properties which are useful in a wide range of organic media such as...
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4116875 |
Multifunctional substituted triazine functional fluid additives and compositions containing same
As a new class of multifunctional additives for industrial fluids, the compounds having the following general formula: ##STR1## IN WHICH EACH X and Y represents a heterocyclic nitrogen radical and...
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4088591 |
Silicone fluid useful as a brake fluid
There is provided by the present invention, a silicone fluid useful as a hydraulic fluid and more particularly useful as a brake fluid for vehicles. This silicone fluid comprises generally a linear...
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4031023 |
Lubricating compositions and methods utilizing hydroxy thioethers
Lubricating compositions comprising a major amount of a lubricating oil and a minor amount of at least one additive of the formula: ##STR1## WHEREIN R is a hydrocarbon-based group of up to about 30...
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4016092 |
Organic compositions containing borate and phosphonate derivatives as detergents
An alkyl phenol having from about 20 to about 300 carbon atoms, formaldehyde and trishydroxymethylaminomethane are reacted and the resulting product is then reacted with boric acid, dialkyl...
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4016093 |
Metal alkylphenate sulfides of reduced corrosiveness and method of preparing same
Neutral and overbased metal alkylphenate sulfides prepared by the steps of (1) reacting an alkylphenol sulfide with minor amounts of a basic material; (2) subjecting the reaction mixture of step...
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4009117 |
Method of making invert water-in-oil emulsion
A simplified procedure for making a water-in-oil emulsion involving passing the water and oil through an open face centrifugal pump, passing the pump effluent through a nozzle, and repeating these...
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4009112 |
Pelletized rectifier for molten neutral salt baths and method
Addition of special thermally decomposable chloro compounds intimately mixed and pelleted or briquetted with a neutral binder material is made to molten neutral salt baths to restore neutrality by...
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4000079 |
Anticorrosives
Corrosion-inhibiting aqueous solutions and corrosion inhibiting antifreeze agents based on glycols and aqueous solutions thereof are prepared by adding two such solutions and agents already...
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3986965 |
Ester base lubricating compositions having improved oxidative resistance
The oxidation resistance of synthetic ester base functional fluids is enhanced by incorporating in the fluid small amounts of triphenylphosphine or triphenylphosphine oxide together with a complex...
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3981813 |
Hydraulic fluid
A hydraulic fluid comprising a major proportion of a hydrocarbon oil having a viscosity of about 10-200 centistokes at 100°F. and a minor proportion of a metal sulfonate, a higher molecular weight...
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3972821 |
Heat transfer composition and method of making
A heat transfer composition, consisting essentially of an epoxy resin, a high temperature curing agent therefor, nitrile rubber, polybutene, particulate heat transfer coefficient-increasing filler...
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3962109 |
Automotive cleaner plus inhibitor
A cleaner-inhibitor and method of incorporating same into an automotive or diesel coolant system consisting of 2-4 fluid ounces per gallon of a cleaner whose basic components are: A. an...
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3958624 |
Heat transfer fluids
An improved anti-fouling additive for use in organic heat transfer fluids is disclosed. The additive comprises a combination of a barium overbased calcium sulfonate having a base ratio of at least...
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3959166 |
Cleaner for automotive engine cooling system
A cleaner to be used preferably in conjunction with conventional glycol-type collants in automotive cooling systems and methods of using same. The present cleaners may be referred to as...
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3950258 |
Aqueous lubricants
An aqeuous lubricant comprising a salt of a sulfuric ester of a polyoxyalkylene compound suitable for use in metal working, drilling, bottling and the like operations. The lubricant is an anionic...
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3945933 |
Metal complexes of nitrogen compounds in fluids
Multiple metal complexes of nitrogen compounds are prepared by reacting in any desired order (1) an organic reactant, preferably an alkenylsuccinic acid or anhydride or a polyalkylphenol-aldehyde...
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3944495 |
Metal dialkyldithiophosphates
Novel metal dialkyldithiophosphates prepared from oxalkylated long, straight-chain alcohols, acids and mercaptans and their incorporation in lubricating oils to enhance the lubricity and other...
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3935125 |
Method and composition for inhibiting corrosion in aqueous systems
The invention disclosed relates to a method and composition for inhibiting corrosion in aqueous systems, the composition including a mixture of amine pyrophosphate, an organophosphonate, and a...
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3933659 |
Extended life functional fluid
Functional fluid lubricating oil compositions are provided which comprise (A) a major amount of an oil of lubricating viscosity, and (B) an effective amount of each of the following: (1) an alkenyl...
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3923669 |
Antiwear hydraulic oil
An improved antiwear hydraulic oil comprises major amounts of a mineral lubricating oil (preferably a hydrocracked oil which has been solvent extracted to improve ultra-violet light stability) and...
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3920572 |
Heat transfer fluids
An improved method for exchanging heat with an organic heat transfer fluid is disclosed. An effective amount of an alkaline earth metal overbased alkaline earth metal sulfonate having a base ratio...
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3920562 |
DEMULSIFIED EXTENDED LIFE FUNCTIONAL FLUID
Functional fluid lubricating oil compositions are provided which comprise (A) a major amount of an oil of lubricating viscosity, and (B) an effective amount of each of the following: (1) an alkyl...
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3914182 |
Hydraulic fluids
A hydraulic fluid comprises from 10 to 99% by weight of an ester or mixture of esters, having the general formula: ##EQU1## and/or WHEREIN R is a straight or branched chain alkylene group...
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3908064 |
Heat transfer composition tape
A heat transfer composition in preshaped, tape form comprising an elongate extrusion consisting essentially of an epoxy resin, dicyandiamide curing agent therefor, nitrile rubber, polybutene,...
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3907697 |
Erosion-inhibited functional fluids
The addition of a small amount of a soluble salt of perhalometallic or perhalometalloidic acid to an energy-transmitting functional fluid sharply enhances the anti-erosion properties of the fluid.
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3902929 |
Water-based quenching composition comprising polyvinylpyrrolidone and method of quenching
A method of quenching metals utilizing a special water base quenching composition which includes a unique quenching additive polymer.
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3903001 |
Lubricant for a controlled-slip differential
An improved method of lubrication of a controlledslip differential comprises using a lubricant comprising a static friction reducing amount of an aliphatic phosphate ester and a hydrocarbon base...
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3899432 |
All-purpose lubricating oil composition with anti-chatter characteristics for wet disc brakes
Lubricating oil compositions are provided which comprise (A) a major amount of oil of lubricating viscosity, and (B) an effective amount of each of: (1) an oil-soluble substantially neutral Group...
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3897350 |
Anti-rust compositions
Anti-Rust Compositions: A. lubricating oil base B. a naphthol selected from 1-naphthol, 2-naphthol, and 1-nitroso-2-naphthol C. a metal sulfonate selected from neutral alkali metal sulfonate,...
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3885984 |
Methyl alkyl silicone thermoconducting compositions
High performance heat transfer compositions comprising (i) a methyl alkyl polysiloxane and (ii) a thickener selected from oxides of beryllium, aluminum, silicon and zinc. The alkyl group carbon...
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3882033 |
Silicone grease for semiconductors
A neutral, dielectric, strong desiccant, free of material which might change the semiconductor junction doping, is added to a silicone grease. The grease is used to surround semiconductor junctions...
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3876553 |
Corrosion inhibitor containing sodium benzoate and potassium tripolyphosphate
A corrosion inhibitor composition which contains varying amounts of sodium benzoate and either potassium chromate or potassium dichromate exists in an aqeuous solution in such an amount that the...
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3867462 |
COLOR INHIBITORS IN GLYCOL ETHERS
Alkali and alkaline earth metal borates, even at concentrations of only 10 p.p.m., are effective color inhibitors for glycol ethers, even in the presence of iron.
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3816316 |
SOAP THICKENED HYDRAULIC OIL COMPOSITION
An improved antileak hydraulic oil of the gel-thickened type comprises an effective amount of a lithium soap (e.g., 0.1-1% Li stearate) or an aluminum soap (e.g., 0.5-2% Al stearate), or mixtures...
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3809152 |
AUTOMOTIVE COOLING SYSTEMS
An automotive heat exchange type cooling system includes an automotive radiator coupled with a reservoir exteriorly disposed thereof and vented to the atmosphere and a two-phase aqueous coolant,...
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3803037 |
LUBRICANTS HAVING IMPROVED LOAD-BEARING PROPERTIES
The load-bearing capability of certain cyclic carbon-containing compounds particularly suited for use as a fluid component of tractive drives is substantially improved without impairing the...
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3793199 |
FRICTION REDUCING AGENT FOR LUBRICANTS
Ammonium salt of alkyl alkanephosphonates represented by the formula: ##SPC1## In which R is a substantially straight chain aliphatic radical having from about 11 to 40 carbon atoms, R' is a lower...
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3779928 |
AUTOMATIC TRANSMISSION FLUID
Automatic transmission fluid comprising at least 86 weight percent of a mineral lubricating oil and 0.01 to 5.0 weight percent of an alkanephosphonic acid salt represented by the formula: ##SPC1##...
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3779927 |
HEAT TRANSFER AGENT COMPOSITION
Amine-initiated copolymers of ethylene oxide and propylene oxide containing a small but effective amount of an alkaline pH buffering agent are effective heat transfer agents in the removal of...
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