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| Number | Title | Issue Date |
| 4542231 | Stabilized ethylenically unsaturated organic compositions New and improved compositions are described of ethylenically unsaturated organic compounds capable of addition polymerization stabilized from unintentional or premature polymerization in the liquid phase by the addition of the combination cerium compounds... | 09/17/1985 |
| 4529500 | Method for minimizing fouling of heat exchanger Hydrocarbon processing equipment is protected against fouling during the processing of hydrocarbons at elevated temperatures by adding to the equipment small amounts of the N,N'-dimer of phenothiazine or a substituted phenothiazine.... | 07/16/1985 |
| 4523024 | 3,4-Dihydro-2H-benzopyran derivatives, a method of producing them, a method of using them as stabilizers for organic materials, and organic compositions containing such stabilizers There is provided a class of novel 3,4-dihydro-2H-benzopyran derivatives which either have excellent inhibitory activity against unfavorable effects of heat, light and oxidative factors or are of use as precursors of compounds having such activity, and me... | 06/11/1985 |
| 4518757 | Drag reduction agent for hydrocarbon liquid The present invention relates to improved drag reduction agents which are copolymers of an alpha olefin and a vinyl alkylenecarboxylic ester.... | 05/21/1985 |
| 4504406 | Cleansing agent for printing plates A cleansing agent for lithographic printing plates having substantially reduced aromatic components. The plate cleaner comprises an aqueous mixture of substantially aliphatic hydrocarbons, a composition comprising one or more non-ionic emulsifying agents ... | 03/12/1985 |
| 4488979 | Hydraulic fluid A hydraulic fluid which contains 100 parts by weight of polyisobutylene, 3 to 15 parts by weight of butylstearate and 0.5 to 5 parts by weight of palm seed oil. It shows good compatibility with newly rolled aluminum surfaces and is therefore particularly ... | 12/18/1984 |
| 4469585 | Oxidation resistant pitches A new oxidation-resistant pitch composition is obtained by treating in the molten state a coal tar or petroleum pitch with at least one pitch-soluble and compatible alkyl-aryl sulfonic acid or some salts thereof in an amount of less than 1% of said pitch,... | 09/04/1984 |
| 4465881 | Inhibiting polymerization of vinyl aromatic monomers Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of the N,N'-dimer of phenothiazine or a substituted phenothiazine.... | 08/14/1984 |
| 4465883 | Bullet lubricant and method of coating bullets with said lubricant to reduce the leading effect thereof on the bores of firearms A bullet lubricant is disclosed which includes a miscible amount of low molecular weight polyethylene polymer or ethylene-vinyl acetate copolymers in a wax base. The lubricant has a melting point in excess of 180° F. The lubricant is applied by first hea... | 08/14/1984 |
| 4465882 | Inhibiting polymerization of vinyl aromatic monomers Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of at least one N,N-diarylhydroxylamine and at least one N,N' dimer of phenothiazine or substituted phenothiazine.... | 08/14/1984 |
| 4409408 | Inhibiting polymerization of vinyl aromatic monomers Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of N,N-dialkylhydroxylamine and tertiary alkylcatechols. The synergistic effect of the mixture has been demonstrated.... | 10/11/1983 |
| 4404304 | Chroman derivatives useful as stabilizers for polypropylene and ଲ-carotin Novel chroman derivatives ##STR1## where R1, R2, R3, R4 and R5 are each H or C1 -C4 -alkyl, R6 and R7 are each H, C1 -C4 -alkyl o... | 09/13/1983 |
| 4397737 | Heat exchanger antifoulant Disclosed is a process for reducing the fouling in a heat exchanger in which a hydrocarbon stream is heated or cooled as it passes through the heat exchanger. From 1 to 500 parts per million of poly(oxyalkylene) carbamate is added to the stream to reduce ... | 08/09/1983 |
| 4391701 | Process for upgrading heavy oils The viscosity of heavy oils is reduced in order to facilitate pipe line transportation thereof. A fraction of the heavy oil is deasphalted in the presence of C5 -C7 hydrocarbons, a portion of the separated asphalt is converted to syn... | 07/05/1983 |
| 4371726 | Composition suitable for mechanical power transmission and process for operating traction drives The disclosure relates to a composition suitable for use in mechanical power transmission devices. It has as its principal component a hydrocarbon oil which has from 19 to 30 carbon atoms, inclusive, and three six-membered carbocyclic rings and consists o... | 02/01/1983 |
| 4329528 | Method of defoaming crude hydrocarbon stocks with fluorosilicone compounds A method of defoaming crude hydrocarbon stocks comprising adding to the hydrocarbon stock at least 1 part per million of a fluorosilicone copolymer having from 20 to 70 mole percent of fluorosilicone siloxy units.... | 05/11/1982 |
| 4294712 | Self-lubricating bearing A self-lubricating bearing comprising a molded composite material prepared by blending lubricating oil, polynorbornene type resin and/or expanded graphite, and a main bearing material comprising a self-lubricating and abrasive resistant synthetic resin. M... | 10/13/1981 |
| 4290925 | Lubricating oil additives What is disclosed is a concentrated polymer emulsion useful as a lubricating oil additive for improving the viscosity index thereof, said emulsion comprising: (1) a dispersed phase of an olefinic copolymer having a molecular weight complementary with resp... | 09/22/1981 |
| 4270929 | Process for producing gasoline of high octane number, in particular lead-free gasoline Process for producing gasoline of high octane number from C3 and C4 olefinic cuts, such as those obtained by fractional distillation of a C3 / C4 catalytic cracking cut, comprising the steps of: (a) oligomerizing pro... | 06/02/1981 |
| 4261841 | Lubricating composition comprising hydrogenated oligomers of 1,3-diolefins and a calcium petroleum sulfonate A lubricating composition comprising a hydrogenated oligomer of a 1,3-diolefin, e.g., 1,3-butadiene, and a calcium petroleum sulfonate which can be at least one of a substantially neutral calcium petroleum sulfonate and an overbased calcium petroleum sulf... | 04/14/1981 |
| 4255598 | Suppression of aldehyde formation in xylene Xylenes can by merely being contacted with air over a period of time or during storage at temperatures upward from 60° C. develop from 55 to 60 ppm of tolualdehyde. Such tolualdehyde formation can be suppressed by dissolving in the xylene a small amount ... | 03/10/1981 |
| 4253983 | Paraffin compositions having improved heat reservoir A paraffin composition that is solid at 25° C. and has an improved heat reservoir by virtue of being combined with inert solid material, wherein the paraffin composition contains from 25 to 55% by weight of at least two constituents comprising aluminium ... | 03/03/1981 |
| 4200586 | Inhibiting the carbon-carbon double bond isomerization of substituted or unsubstituted hydrocarbon compounds The carbon-carbon double bond isomerization of a substituted or an unsubstituted hydrocarbon compound having olefinic unsaturation in a less stable form to an isomer of said compound having olefinic unsaturation in a more stable form is inhibited by conta... | 04/29/1980 |
| 4195008 | Latex extended with grafted mineral oil Free-radical graft polymerization of an unsaturated monomer like acrylic acid, methacrylic acid and so forth on mineral oils such as rubber processing and/or extending oils provides a "grafted oil" which can be used to extend polymers such as carboxylated... | 03/25/1980 |
| 4193881 | Lubricant for metal strip A lubricant for metal strip, in particular metal strip made of aluminum or aluminum alloy, and used for packaging purposes, in particular for packaging foodstuffs. The lubricant contains the aluminum or magnesium salt of a saturated C11 to C | 03/18/1980 |
| 4175046 | Synthetic lubricant A synthetic lubricating composition is provided comprising a major proportion of a base oil and a minor proportion of a plurality of additives, added for the purpose of substantially improving properties of such composition other than viscosity index. The... | 11/20/1979 |
| 4175047 | Synthetic ester and hydrogenated olefin oligomer lubricant and method of reducing fuel consumption therewith Synthetic esters or mixtures thereof, containing a free hydroxyl group in the molecule, are useful as lubricants for internal combustion engines, preferably in combination with synthetic hydrocarbon fluids. The composition, when used to lubricate an inter... | 11/20/1979 |
| 4168210 | Method of reducing reaction between hydrogen halides and olefinically unsaturated compounds A method for reducing losses due to reactions between hydrogen halides and olefinically unsaturated organic compounds in the presence of transition metals which act as catalysts for hydrohalogenation in mixtures containing same by adding to said mixtures ... | 09/18/1979 |
| 4161554 | Method for preventing polymers formation in styrene storage containers A protective curable coating containing a polymerization inhibitor, extractable from the cured coating, which is applied to surfaces located above the liquid level of a storage tank containing a polymerizable alkenyl aromatic monomer, e.g., styrene, vinyl... | 07/17/1979 |
| 4110233 | Lithium base grease containing polyisobutylene A lubricating composition having improved resistance to removal by water, improved pumpability over a wide range of ambient temperatures, and the ability to float on water comprising a petroleum base oil thickened with a lithium soap of a fatty acid and c... | 08/29/1978 |
| 4075113 | Grease composition A lubricating grease comprised of 2 to 8% by weight of an aluminium fatty acid soap, 25 to 98% by weight of a polymer of a non hydrogenated polyisobutylene having a mean molecular weight ranging from 300 to 2500, 0.2% polyisobutylene having a mean molecul... | 02/21/1978 |
| 4075112 | Grease composition A lubricating grease comprised of 2 to 8% by weight of an aluminum fatty acid soap, 25 to 98% by weight of a polymer of hydrogenated polyisobutylene having a mean molecular weight ranging from 300 to 2500, 0.2% polyisobutylene having a mean molecular weig... | 02/21/1978 |
| 4073737 | Hydrogenated copolymers of conjugated dienes and when desired a vinyl aromatic monomer are useful as oil additives A hydrogenated copolymer produced by copolymerization of from about 1 to about 10 mol percent butadiene and at least one other C5 to C12 conjugated diene, and, if desired, in order to provide a block copolymer, up to 45 mole percent ... | 02/14/1978 |
| 4073738 | Lubricating oil compositions containing alkyl acrylate or methacrylate polymers and copolymers of styrene and conjugated diene Mineral lubricating oil compositions which contain a predominant proportion of a mineral lubricating oil together with a pour point depressant based on alkyl acrylate or alkyl methacrylate polymers and a viscosity index (VI) improver comprising a special ... | 02/14/1978 |
| 4049731 | Stabilized polymerizable compositions Compositions stabilized against premature polymerization are disclosed. These compositions contain A. a vinyl or vinylidene monomer capable of free radical polymerization, and B. a polymerization inhibitor having the following general formula: ##STR1## ... | 09/20/1977 |
| 3979473 | Process for the color stabilization of indene A process for the stabilization of indene against discoloration comprising adding to the indene a minor amount of an insoluble compound selected from the group consisting of neutral, acidic and basic inorganic salts, inorganic acids and organic acids.... | 09/07/1976 |
| 3950975 | Process of cold plastic deformation of metals A composition is disclosed for coating metal prior to cold plastic deformation working, consisting of 95 to 20 wt. % of a di-long chain aliphatic hydrocarbon ketone and 5 to 80 wt. % of a solid paraffin; said composition having a low coefficient of fricti... | 04/20/1976 |
| 3933657 | Lubricant with synergistic extreme pressure additives A grease may be made having synergistic extreme pressure properties using a major amount of a base oil and a thickener and a minor amount of low density polyethylene and known extreme pressure enhancing additives.... | 01/20/1976 |
