Abstract: Oil-soluble 2 and/or 8 alkyl substituted 1-aza-3, 7-dioxabicyclo [3.3.0] oct-5-yl methyl alcohols which are the reaction products of an aldehyde and tris [hydroxy-methyl] aminomethane (THAM) are mineral oil additives which feature activity in automatic transmission fluid as copper alloy corrosion inhibitors.

Abstract: Oil-soluble 4-alkyl mono or 5-alkyl bicyclic oxazolidines, e.g. 1-aza-3,7-dioxabicyclo[3.3.0] octanes which are the reaction products of an aldehyde and an amino propane monol or diol are additives which feature activity in functional fluids, e.g. mineral oil base automatic transmission fluids, as copper alloy corrosion inhibitors.

Abstract: Novel tris-(polyalkoxyalkylated) isocyanurate compounds are described having the formula: ##STR1## wherein x is an integer from 2-10; Y is either a hydrogen or methyl group; and R is an alkyl group having from 1-4 carbon atoms. The use of these isocyanurate compounds as functional fluids, including hydraulic-type and heat transfer-type fluids, is also described. Such functional fluids have superior fire resistance properties.

Abstract: The friction performance of a lubricating oil composition that has been compounded to serve as a functional fluid that is particularly useful in mechanical and hydraulic units containing wet clutches, for example an automotive automatic transmission, is greatly improved by the incorporation of a combination of a friction modifier of the type comprising a straight chain alkenyl or alkyl C.sub.4 to C.sub.10 dicarboxylic acid or the reaction product of an aldehyde/tris hydroxymethyl aminomethane adduct and a long chain dicarboxylic acid anhydride such as an alpha-olefin succinic anhydride; with an overbased detergent salt such as an alkali metal salt or alkaline earth metal salt of a hydrocarbyl sulfonic acid, an alkyl phenol or a sulfurized alkyl phenol, in certain proportions.

Abstract: Lubricant compositions are provided containing antiwear improving amounts of a bis-oxazoline having an alkyl group containing from about 4 to about 24 carbon atoms.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising (1) an alcohol, (2) at least one of an amino siloxane, an amino silane or both an amino siloxane and an amino silane and a siloxane of the formula: ##EQU1## wherein R.sup.6 is a monovalent hydrocarbon group and e has a value of from 1 to 3, and (3) a hydroxybenzoic acid basic pH buffer preferably comprising para or ortho hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used, upon dilution with about 30 to about 90 percent by weight of water based upon the weight of said concentrate, as antifreeze compositions for internal combustion engines. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers and are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: This invention relates to single-phase antifreeze and coolant concentrates comprising an alcohol, a metal salt of a carboxysiloxane and an organic basic pH buffer and corrosion inhibitor comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used as coolants either undiluted or upon dilution with about 25 to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers and are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: A single-phase antifreeze or coolant concentrate is disclosed comprising a major proportion of at least one alcohol, at least one water-soluble silicate, and an organic basic pH buffer and corrosion inhibitor comprising at least one hydroxybenzoic acid. The concentrates can be used without dilution but are preferably used, upon dilution with water. The concentrates are generally diluted for use in with about 25 to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The alcohol-based antifreeze and coolant compositions of the invention are effective in the protection against corrosion of all metals and alloys used in industrial processes and are especially effective when used to inhibit the corrosion of aluminum internal combustion engine and radiator components.

Abstract: A single-phase antifreeze or coolant concentrate is disclosed comprising an alcohol, a silicone-silicate copolymer and an organic basic pH buffer and corrosion inhibitor comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used as coolants either undiluted or upon dilution with about 30 to about 90 percent by weight of water based upon the total weight of the coolant. The alcohol is preferably ethylene glycol. The coolant compositions are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising an alcohol, a corrosion inhibiting amount of a water-soluble organosiloxane-silicate copolymer corrosion inhibitor and an organic basic pH buffer capable of buffering pH in the range of about 9 to about 11 comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are used as coolants either undiluted or upon dilution with about 25 percent to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: A single-phase antifreeze or coolant concentrate is disclosed comprising an alcohol, an aminosilicone-silicate copolymer and an organic basic buffer and corrosion inhibitor comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used as coolants either undiluted or upon dilution with about 25 to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers and are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising an alcohol, a silicone-silicate copolymer and an organic basic pH buffer and corrosion inhibitor comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used as coolants either undiluted or upon dilution with about 30 to about 90 percent by weight of water based upon the total weight of the coolant. The alcohol is preferably ethylene glycol. The coolant compositions are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: Metal corrosion inhibitor comprising (a) benzoic acid and/or a benzoate, (b) a trialkanolamine, (c) phosphoric acid and/or a phosphate, and (d) at least one selected from mercaptobenzothiazole, its salts, benzotriazole and tolyltriazole, which can exhibit excellent anti-corrosive property to various metals for a long term and can be diluted with an aqueous liquor and can be employed in combination with usual anti-freezing agents.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising an alcohol, an aminosilicone-silicate copolymer and an organic basic buffer and corrosion inhibitor comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used as coolants either undiluted or upon dilution with about 25 to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers and are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising a major proportion of at least one alcohol, at least one water-soluble silicate, and an organic basic pH buffer and corrosion inhibitor comprising at least one hydroxybenzoic acid. The concentrates can be used without dilution but are preferably used, upon dilution with water. The concentrates are generally diluted for use in with about 25 to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The alcohol-based antifreeze and coolant compositions of the invention are effective in the protection against corrosion of all metals and alloys used in industrial processes and are especially effective when used to inhibit the corrosion of aluminum internal combustion engine and radiator components.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising an alcohol, a corrosion inhibiting amount of a water-soluble organosiloxane-silicate copolymer corrosion inhibitor and an organic basic pH buffer capable of buffering pH in the range of about 9 to about 11 comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are used as coolants either undiluted or upon dilution with about 25 percent to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: 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 designed for metal cutting purposes. The fluid contains in combination 50-70% of an alkylene glycol, 10 to 25% of an alkanol amine, up to 10% boric acid, and 2 to 25% of a phosphate-modified condensation product of a fatty acid and a dialkanolamine.

Abstract: This invention relates to single-phase antifreeze and coolant concentrates comprising an alcohol, a metal salt of a carboxysiloxane and an organic basic PH buffer and corrosion inhibitor comprising a hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used as coolants either undiluted or upon dilution with about 25 to about 90 percent by weight of water based upon the total weight of the concentrate. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers and are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: This invention relates to single-phase antifreeze or coolant concentrates comprising (1) an alcohol, (2) at least one of an amino siloxane, an amino silane or both an amino siloxane and an amino silane and a siloxane of the formula: ##EQU1## wherein R.sup.6 is a monovalent hydrocarbon group and e has a value of from 1 to 3, and (3) a hydroxybenzoic acid basic pH buffer preferably comprising para or ortho hydroxybenzoic acid or mixtures thereof. The concentrates are preferably used, upon dilution with about 30 to about 90 percent by weight of water based upon the weight of said concentrate, as antifreeze compositions for internal combustion engines. The alcohol is preferably ethylene glycol. The coolant compositions are effective in providing protection against corrosion of all metals and alloys used in industrial heat exchangers and are especially effective in inhibiting the corrosion of aluminum internal combustion engine and radiator components.

Abstract: 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 properties of the fluid.

Abstract: Perfluoropolyether oils containing traces of H.sub.2 O molecularly dissolved therein are rendered anhydrous and hyperpure by treatment with chlorine trifluoride or monofluoride at a pressure of 1-5 atm. and a temperature of 0.degree.-50.degree. C. after which the treated oil is selectively fractionated.

Abstract: Selected N-aminomethyl-triazoles and imidazoles are prepared by the Mannich reaction on benzotriazoles or benzimidazoles with formaldehyde and primary or secondary amines. The products consist mainly of the 1-isomers. The compounds are metal passivators and are used as additives for water-based functional fluids being in contact with metals. These compounds with polar substituents on the amino-group are especially useful in water-based fluids such as anti-freeze or metal-working fluids.

Abstract: Perfluoropolyether compounds and mixtures thereof having the formula:A--O--(C.sub.3 F.sub.6 O).sub.P --(CF.sub.2 O).sub.Q --(C.sub.2 F.sub.4 O).sub.R --CF(Z)--CO--N(R)Arwherein the perfluoroalkyleneoxy groups are randomly distributed and A is a perfluoroalkyl group or a --CF(Z)--CO--N(R)Ar group; P, Q and R are zero but not simultaneously or numbers from 1 to 100, the sum of P, Q and R being 3 to 200; Z is a fluorine atom or a CF.sub.3 group; Ar is an aryl group; and R is hydrogen, alkyl, alkyl-aryl or an aryl group.These compounds are excellent stabilizers for perfluoropolyether fluids of the formula:X--O--(C.sub.3 F.sub.6 O).sub.P --(CF.sub.2 O).sub.q --(C.sub.2 F.sub.4 O).sub.r --Ywherein p, q and r are each zero or numbers from 1 to 100, the sum of p, q and r being 6 to 200, and X and Y are the same or different and are perfluoroalkyl groups having 1 to 3 carbon atoms.

Abstract: Hydraulic fluid compositions having improved non-corrosive properties to metals are formed from (A) a hydraulic fluid containing a borate ester and (B) an oxyalkylated alicyclic amine.

Abstract: Compositions of 1,3,5-tris-(furfuryl)hexahydro-s-triazine are useful as antimicrobial agents particularly when added to metal-working compositions subject to fungal and bacterial attack.

Abstract: A method for synthesizing perfluoropolyethers by effecting addition reactions under low temperature photolysis between perfluoroolefins, perfluorodialkyl peroxides and fluoroxyperfluoroalkanes resulting in the snythesis of new compounds.

Abstract: In a fluid composition which is capable of exhibiting a substantial increase in apparent viscosity under the influence of an electric field and which is of the type wherein solid particles of a chemical substance are dispersed in an electrically non-conducting oleaginous vehicle, superior performance results when the chemical substance is a polymer containing acid groups, the polymer having a density not exceeding 1.8 and a specified minimum water absorbency.

Abstract: A method for increasing the efficiency of steam generation units operating at pressures of from 0-500 pounds per square inch is disclosed. This is accomplished by adding to the water used to generate the steam from 5-400 parts per million of a polyether polyamine having complete solubility in cold water and substantial insolubility in hot water.

Abstract: 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 may be the same or different for each occurrence of X and Y; Z is a basic nitrogen-containing radical; n is 0 or an integer of at least 1, preferably 1 to 10; and A, B, C, and D are linked groups derived from compounds which may provide desired functions, such as detergent, antioxidant, and antiwear properties, or indirectly useful functions, such as adsorbency. At least one of A, B, C, or D is amino or anilino or is derived from an alkenylsuccinimide or an alkyl lactam or tetrahydropyrrolidine, or alkyl-substituted Mannich base, having at least 8 carbon atoms in the alkenyl or alkyl radical, or combinations of any of these. The reaction between these products and metal compounds particularly alkali and alkaline earth metal compounds provides more improved properties.

Abstract: This invention relates to a process of inhibiting or preventing fouling (i.e., preventing the adhesion of deposits from hydrocarbon on surfaces) at elevated temperatures which comprises adding to hydrocarbon an antifouling (preventing) amount of an organo-sulfur compounds having a high sulfur content. In the preferred embodiment, the organo-sulfur compound has at least 5% sulfur. An embodiment is a heterocyclic compound, a dithiole-thione. These organo sulfur compounds are particularly effective at elevated temperatures of at least about 500.degree. F.

Abstract: Lubricating oil compositions are provided which comprise: (A) a major amount of oil of lubricating viscosity, and (B) an effective amount dissolved therein of each of (1) a zinc primary dihydrocarbyl dithiophosphate; (2) a mixture of (a) certain dimeric acids and (b) the reaction product of a monocarboxylic acid, certain polyalkylene polyamines and an alkenyl succinic anhydride; and (3) a substantially neutral zinc salt of a dihydrocarbyl sulfonic acid. These lubricating oil compositions are useful as functional fluids in a variety of systems as coolants, hydraulic fluids, turbine oils, spindle oils and the like.

Abstract: A glycol-based antifreeze formulation containing as a defoaming agent, from 0.001% to about 1.

Abstract: A glycol-based antifreeze formulation containing as a defoaming agent, from 0.001% to about 1.0% by weight of a mixture containing a compound of the formula ##STR1## WHEREIN R is an alkyl, alkoxyalkyl, hydroxyalkyl, or dihydroxyalkyl group having from 1 to 6 carbon atoms, R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 is an alkyl group having 1 to 8 carbon atoms, p is an integer from 1 to 20, and n is an integer from 1 to 14; and a compound of the formulaRO--(C.sub.6 H.sub.10 O.sub.5).sub.p --Hwherein R and p are as defined above.

Abstract: Lubricant compositions are provided, comprising oils of lubricating viscosity, and greases prepared therefrom, containing a minor antiwear improving amount of an alkyl beta-thiopropionic acid ester.

Abstract: 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 diorganopolysiloxane having a viscosity at 25.degree. C of 20 to 500 centistokes. Various materials and additives can be added to such a silicone fluid so as to improve its properties as a hydraulic fluid.

Abstract: New and useful perfluorinated cyclohexyl ethers are manufactured by reacting a phenol with hexafluoro propene or tetrafluoro ethylene, dissolving the partly fluorinated phenyl alkyl ethers obtained in hydrofluoric acid and electrolyzing the solution.

Abstract: Liquid dielectric compositions useful as electrical insulators are comprised of [1] a liquid dielectric component of known type, in combination with [2] at least one member selected from the group consisting of monocyanophenoxybenzene, monocyanodiphenyl and monocyanoterphenyl.

Abstract: Novel glycol-substituted alkyl silanes useful as components of hydraulic fluids have the general formula: ##STR1## wherein R, R.sup.1, R.sup.4 and R.sup.5 are specified substituents. Hydraulic fluids containing the glycol-substituted alkyl silanes are also described.

Abstract: A stable, fire resistant hydraulic fluid of the oil-in-water emulsion type having the property of relatively uniform viscosity over a broad range of water contents in which the non-polar (oil) and polar (water) components are coupled by means of a combination of an emulsifier, and a mixture of a relatively high molecular weight polyglycol or alkyl substituted polyglycol and a relatively low molecular weight glycol.

Abstract: 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 containing conventional corrosion inhibitors, heterocyclic nitrogen compounds having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are hydrogen or together with the carbon atoms to which they are attached represent an optionally substituted benzene ring;R.sup.3, r.sup.4, r.sup.5 and R.sup.6 independently of one another are selected from the group of hydrogen, lower alkyl, phenyl substituted by one or more lower alkyls;X is sulphur or an imino group (NH) optionally substituted on the nitrogen atom; andn is an integer from 1 to 13, added to an aqueous solution or antifreeze agent which contains at least one conventional corrosion inhibitor.

Abstract: A method for inhibiting the growth of bacteria and fungi by exposing same to an effective amount of a salt of nitrilotriacetic acid with a higher aliphatic amine containing from about 8 to about 60 carbon atoms. The nitrilotriacetic acid is reacted with an amine containing alkyl, alkenyl and/or cycloalkyl radicals to provide the desired salt.

Abstract: A water-glycol base hydraulic fluid comprises a water soluble alkylene oxide adduct of a polyamide.

Abstract: A thermal energy storage material which is stable at atmospheric temperature and pressure and has a melting point higher than 32.degree.F. is prepared by dissolving a specific class of clathrate forming compounds, such as tetra n-propyl or tetra n-butyl ammonium fluoride, in water to form a substantially solid clathrate. The resultant thermal energy storage material is capable of absorbing heat from or releasing heat to a given region as it transforms between solid and liquid states in response to temperature changes in the region above and below its melting point.

Abstract: The invention relates to novel halogenated alkylaryl ethers having at least one fluoroalkyl grouping, which have very good thermal stability and chemical resistance, and to a process for producing the ethers.

Abstract: 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 and a cold flow control agent such as asbestos.

Abstract: The minimum pour temperature of a fatty acid, analogous to the ASTM pour point of a hydrocarbon oil, may be lowered by 70.degree.F. and more by the method of this invention, which comprises mixing therewith from 5 to about 50 parts by weight of a C.sub.2 -C.sub.18 acyclic monoamine or diamine. The method of this invention is applicable to a wide variety of fatty acids and mixtures.

Abstract: Mono- or polyhydric alcohols of the alkan-, tetrahydrofuran- or tetrahydropyran series or di- or tri-alkyleneglycols are dissolved in an aprotic polar solvent and reacted with C.sub.3 F.sub.6 in the presence of trialkylamines, or with tetrafluoroethylene to give the corresponding tetrafluoroethyl- or hexafluoropropyl ethers. The solution of the fluoroethers in anhydrous hydrofluoric acid is electrolyzed. Hydrogen-free perfluoroethers are obtained.

Abstract: Antifreeze compositions are provided which contain glycol-water concentration indicators. When used in motor vehicle radiators, the indicators in the compositions enable the motorist at a glance to determine when the glycol level has been reduced. The indicators are colored moieties, i.e., dyes, which have at least one substituent which will give a differential solubility at different glycol-water concentrations. Preferred substituents are hydroxy groups and amino groups and the preferred colored moiety is an anthraquinone dye.

Abstract: A method for preserving certain organic fluids is provided wherein an inhibitory amount of a selected 1,10-phenanthroline is incorporated in such fluids as a biocide.

Abstract: Additives made by reaction of (A) at least one phosphorus acid compound of the formula: ##STR1## wherein each X is independently oxygen or divalent sulfur, M is hydrogen or an equivalent of metal or ammonium cation, R is a hydrogen atom or a hydrocarbyl or hydrocarbyloxy or hydrocarbyl mercapto group of about one to about 30 carbon atoms and R' is XM or R with the proviso that the total number of carbon atoms in both R and R' is at least two, with (B) at least one sulfo-containing compound of the formula: ##STR2## .[.or.]. .Iadd.and .Iaddend. ##STR3## wherein y is one or two, R.sup.3 is hydrogen or lower alkyl group, R.sup.2 is a divalent or trivalent hydrocarbyl group, R.sup.4 is a trivalent hydrocarbyl group, and Q is --OH, --OR.sup.3, --OM, an alkylene polyamine residue, or N(R.sub.3).sub.2, are novel and useful and have utility as, for example, additives for water-containing hydraulic fluids.