Abstract: Hydraulic fluids having high wet equilibrium reflux boiling points, good chemical stability and other desirable characteristics comprise certain cyano-substituted compounds of the formula ##STR1## wherein A and B are specified radicals.
Abstract: An oil capable of use in environments where the accumulation of water is detrimental to the intended use, the oil consisting of branched and straight chain aliphatic hydrocarbons and minor amounts of tri-cresyl phosphate.
Abstract: A fire-resistant hydraulic fluid comprises (a) a phosphate triester derived from phenol, alkyl-substituted phenol or an alkanol, provided that the carbon atom number ratio of the aliphatic groups to the total of the ester is less than 0.25, and (b) 0.5 to 10% by weight, based on the weight of the triester, of an aliphatic polyester derived from an alkanedibasic acid having 3 to 24 carbon atoms and an alkylene glycol having 2 to 10 carbon atoms, said polyester having a molecular weight of 5,000 to 50,000. The fluid has an improved fire resistance and a high viscosity index.
Abstract: The invention relates to a paste-like, viscous damping medium dispersion based on a liquid phase and graphite, where at least one agent for increasing the intrinsic viscosity and at least one wetting agent for wetting the graphite are added to the dispersion. The dispersion according to the invention is free-flowing over a very large temperature range, does not increase in hardness when under load but remains viscous, and is noise-insulating. The dispersion according to the invention does not swell elastomers.
Abstract: Liquid, non-flammable dielectric compositions especially adapted as insulators/coolants for transformers and the like, are comprised of an admixture of [i] a bromochlorobenzene and [ii] a polychlorobenzene, and, optionally, [iii] a diluent therefor.
Abstract: A thermal energy storage composition is disclosed that stores heat upon melting and releases heat upon solidification. It is composed of a mixture of sodium sulfate decahydrate, sodium carbonate decahydrate, sodium borate decahydrate and a thickening agent. Its good heat transfer characteristics, relatively high latent heat of fusion, low cost, and favorable melting point allow this material to be particularly useful for space heating applications.
Abstract: An electrical capacitor is impregnated with a base impregnant of a non-halogenated aromatic liquid which absorbs gas in the range of 40.degree. to 100.degree. to which is added a material that is a greater gas absorber over the same temperature range.
Abstract: This invention relates to detergent compositions comprising at least one nonionic and/or zwitterionic tenside and from about 0.5 to 10 percent by weight of polysaccharide amino ethers having quaternary ammonium groups. Builder salts and other conventionally used detergent compositions may also be present. These detergent compositions have sizing and stiffening properties and make a secondary treatment of washed textiles unnecessary.
Abstract: Dielectric gas mixture including a binary pair of gases with electric strengths in uniform or quasi-uniform fields which are higher than that for either component of the gases alone. Such binary pairs include (a) SF.sub.6 and CF.sub.3 CFCF.sub.2, (b) SO.sub.2 and CF.sub.3 CFCF.sub.2, and (c) SO.sub.2 and SF.sub.6.
Abstract: A material formed by the reaction of (1) a poly-2-hydroxyalkyl derivative of a polyol having at least five hydroxyl groups, with at least three, and preferably nearly all, of said hydroxyl groups being substituted with one or more 2-hydroxyalkyl groups and (2) a polyglycidyl ether of a polyol, preferably a di- or triglycidyl ether of a polyoxyalkylene diol or triol. These materials have surfactant and defoaming abilities, and are useful in hard surface cleaning, textile and paper applications, and as defoaming agents. The compounds are especially useful as defoaming agent for glycol based antifreeze mixtures, and such antifreeze mixtures are also provided.
Abstract: A novel ceramic composition exhibiting a solid solution structure of Pb(Fe.sub.1/2 Nb.sub.1/2)O.sub.3 -Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 -Pb(Mg.sub.1/2 W.sub.1/2)O.sub.3, can be sintered at a low sintering temperature; have a high insulation resistance; have a relatively high dielectric constant in the high dielectric type ceramic dielectrics, and; have a low dielectric loss.A particular amount of the additives, i.e., Pb-(Mn.sub.2/3 W.sub.1/3)O.sub.3, Pb(Mb.sub.1/2 W.sub.1/2)O.sub.3 Pb(Mn.sub.1/2 Nb.sub.2/3)O.sub.3, MnO, Pb(Mn.sub.1/3 Ta.sub.2/3)O.sub.3, Li.sub.2 O, Cr.sub.2 O.sub.3 and CeO.sub.2, is added into the composition mentioned above.
Abstract: Gellation resistant aqueous glycol and glycol ether compositions useful as antifreeze compositions are disclosed containing silicates together with other corrosion inhibitors. The silicates are added to the glycol compositions after the other additives have been added and after the composition has been adjusted to a pH range of 7-12. The gellation resistance is obtained or enhanced by the addition of an effective amount of a glycol soluble ether modified silicone having the repeating units ##STR1## wherein x has an average value range from 1.8 to 6.8y has an average value range from 1 to 4Z has the formula--R--C.sub.n H.sub.2n O--.sub.m R.sub.1wheren is 2 or 3m has an average value such that the average molecular weight of the polyoxyalkylene chain is in the range 100-400R is an alkylene chain of 2-4 carbons andR.sub.1 is selected from the group consisting of hydrogen and alkyl groups of 1-4 carbons.
Abstract: A method of making a paint stripper comprising mixing a water soluble cellulose gum e.g. hydroxy ethyl cellulose or ethyl cellulose, with water and with a film forming polymer e.g. an acrylic polymer, vinyl acrylic polymer, or vinyl acetate polymer, vinyl acetate copolymer, and adding to the resulting emulsion a mixture of methylene chloride and a cellulose gum which is soluble therein, e.g. ethyl cellulose or hydroxy propyl cellulose.The invention is from another aspect a paint stripper comprising methylene chloride emulsified in the presence of a film forming polymer.
Abstract: A liquid composition and method for forming the composition, the composition being intended for use in an oil-filled electrical apparatus to minimize the detrimental effects that can occur during high fault conditions which oil composition is biodegradable and formed from natural hydrocarbons and synthetic hydrocarbons which when combined form a flat pseudo-rectangular molecular weight distribution curve.
Abstract: A dielectric material which meets the temperature requirements for X7R grade capacitors consists of a fired ternary niobate composition. A dielectric constant of at least 2000 and a limited change in dielectric constant with temperature is present in compositions having the approximate formula:Pb.sub.x .multidot.Ba.sub.y .multidot.Sr.sub.z (Nb.sub.2 O.sub.6)where x, y and z represent the mole fractions of each of Pb, Ba and Sr which are in the ranges of X=0.1 to 0.4, y=0.1 to 0.4, z=0.4 to 0.5, the sum of x, y and z being 1. Modifications which increase these ranges include doping the ternary niobate composition with a rare earth and substitution of Ta.sub.2 O.sub.5 for Nb.sub.2 O.sub.5. During preparation, the composition is heated in a cycle which produces a mixture of phases, primarily rhombohedral and tetragonal structures similar to those of PbNb.sub.2 O.sub.6.
Abstract: A microwave heating package, and a method of microwave heating. Both the package and the method employ a lossy chemical susceptor which upon continued exposure to microwave radiation becomes substantially microwave transparent, thus building into the system a unique maximum temperature shut off at the point at which the chemical susceptor becomes microwave transparent. The chemical susceptor is comprised of a combination of a solute, such as inorganic salts of Group IA and IIA, and a polar solvent for the solute, such as water. The chemical susceptor may be composed of a hydrated form of the inorganic salts. The package, method and chemical susceptor may be used for microwave heating of many products, including among others, food products.
December 19, 1978
Date of Patent:
August 11, 1981
The Pillsbury Company
William C. Winters, Hsien-Hsin Chang, George R. Anderson, Ross A. Easter, Jeffrey J. Sholl
Abstract: Products for rapidly liberating areas covered by ice and/or snow are described, which products are composed as follows (weight %, relative to the total weight of all components):60 to 79% by weight of propyleneglycol and0 to 5% by weight of ethyleneglycol or70 to 85% by weight of ethyleneglycol and0 to 10% by weight of propyleneglycol.There are added in both cases5 to 15% by weight of water5 to 20% by weight of urea and1 to 5% by weight of monohydric aliphatic alcohols having from 1 to 7 carbon atoms.The products are harmless, biologically degradable, non-corrosive and of low flammability.
Abstract: Compositions for cleaning and priming a surface comprising a solution of titanium acetylacetonate; alkanol having 1 to 4 carbon atoms; alkanol selected from methylethylkeytone, methylisobutylketone, acetone and their mixture; and water.The compositions, which perform both cleaning and priming in a one-step operation, cure quickly allowing rapid painting.
Abstract: A soap composition which contains from 0.01 to 6% by weight of a polydiorganosiloxane having a molecular weight of at least 2000 and in which at least one of the silicon-bonded substituents is a monovalent group composed of carbon, hydrogen, nitrogen and, optionally, oxygen, the monovalent group having therein at least one amino group. The polydiorganosiloxane imparts a durable soft feel to skin contacted with the soap.
Abstract: A polyphase composition for the storage of heat or cold utilizing the latent heat of fusion of a salt hydrate continuous phase intimately intermixed with a hydrated hydraulic cement continuous phase and wherein said continuous phases are optionally in contact with a discontinuous crystalline phase comprising a nucleating component and wherein the composition is enveloped, contained, or packaged within a vapor impermeable material.