Patents Represented by Attorney Frederick D. Hunter
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Patent number: 4938884Abstract: Coupled amides useful as lubricating additives such as load carrying agents and/or extreme pressure agents have the formula ##STR1## wherein X.sup.1, X.sup.2, and X.sup.3, independently, is O or S; wherein R.sup.1 and R.sup.2, independently, is a hydrocarbyl, a hydro-carbyl-based oxy, or a hydrocarbyl-based thio, having from 1 to about 34 carbon atoms;wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6, independently, is hydrogen, or an alkyl having from 1 to about 22 carbon atoms, a cycloalkyl having from about 4 to about 22 carbon atoms, or an aromatic, an alkyl-substituted aromatic or an aromatic substituted alkyl having from 6 to about 34 carbon atoms;wherein n is 0 or 1;wherein R.sup.7 is hydrogen or an alkyl having 1 to 22 carbon atoms; andwherein R.sup.8 is an alkylene having from 1 to 12 carbon atoms, phenylene, or an alkyl-substituted phenyl having from 7 to 12 atoms, are useful as lubricant additives such as load carrying agents and/or extreme pressure agents.Type: GrantFiled: January 23, 1989Date of Patent: July 3, 1990Assignee: The Lubrizol CorporationInventors: Paul Adams, Carmen V. Luciani
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Patent number: 4938881Abstract: Lubricating oil compositions for internal combustion engines are described with comprise (A) a major amount of oil of lubricating viscosity, and minor amounts of (B) at least one carboxylic derivative composition produced by reacting (B-1) at least one substituted succinic acylating agent with (B-2) acylating agent of at least one amine compound characterized by the presence within its structure of at least one NH< group, and wherein the substituted succinic acylating agent consists of substituent groups and succinic groups wherein the substituent groups are derived from a polyalkene, (C) at least one basic alkali metal salt of sulfonic or carboxylic acid, and (D) at least one metal salt of a dihydrocarbyl dithiophosphoric acid. The oil compositions also may contain (E) at least one carboxylic ester derivative compositions, and/or (F) at least one neutral or basic alkaline earth metal salt of at least one acidic organic compound and/or (G) at least one partial fatty acid ester of a polyhydric alcohol.Type: GrantFiled: August 1, 1988Date of Patent: July 3, 1990Assignee: The Lubrizol CorporationInventors: David E. Ripple, William B. Chamberlin, III
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Patent number: 4938882Abstract: A corrosion inhibitor additive for gear oil formulations is disclosed in the form of an overbased carboxylate which can be in a borated or non-borated form. Borated versions of the overbased carboxylate are preferred and are obtained by reacting a boron reactant such as boric acid with an overbased carboxylate. The overbased carboxylate in its borated and non-borated forms has been found to be effective in improving the corrosion inhibiting properties of gear oil formulations which are used under severe operating conditions wherein the gear oil might come into contact with contaminant water. A method of improving the corrosion resistance of a gear oil having contaminant water therein is also disclosed.Type: GrantFiled: September 15, 1989Date of Patent: July 3, 1990Assignee: The Lubrizol CorporationInventor: Craig D. Tipton
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Patent number: 4938887Abstract: This invention relates to a liquid composition comprising(A) a major amount of a fluorine-containing hydrocarbon, and(B) a minor amount of soluble organic lubricant free of acetylenic and aromatic unsaturation and comprising a cyclic compound characterized by the following structure ##STR1## wherein R is H, a hydrocarbyl group, or --R.sup.2 COOR.sup.1,X is O or NR.sup.3,Y is CHR.sup.4, C.dbd.O, C.dbd.NR.sup.5,R.sup.1 is H or a lower hydrocarbyl group,R.sup.2 is an alkylene group,R.sup.3 is H, a hydrocarbyl group, an alkylene group joined to R.sup.5 when Y is C.dbd.N--R.sup.5 to form a cyclic moiety, --R.sup.6 OR.sup.7, or --R.sup.8 NR.sup.9 R.sup.10,R.sup.4 is H or a hydrocarbyl group,R.sup.5 is H or an alkylene group joined with R.sup.3 when X is NR.sup.3 to form a cyclic moiety,R.sup.6 is an alkylene group,R.sup.7 is H or a hydrocarbyl group,R.sup.8 is an alkylene group, andR.sup.9 and R.sup.10 are each independently H or hydrocarbyl groups, or R.sup.9 and R.sup.Type: GrantFiled: November 10, 1988Date of Patent: July 3, 1990Assignee: The Lubrizol CorporationInventors: Arturs Grava, Scott T. Jolley
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Patent number: 4936016Abstract: A template for use in evaluating the dispersive condition of a lubricating oil is provided. A method employing the template and an absorbent material onto which a sample of oil is placed, and measuring undispersed components of the oil on the absorbent material, is described. A kit which comprises the template and the absorbent material for use in the method of this invention is also described.Type: GrantFiled: August 19, 1988Date of Patent: June 26, 1990Assignee: The Lubrizol CorporationInventor: George Simpson
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Patent number: 4927554Abstract: A liquid composition is described which comprises(A) a major amount of a fluorine containing hydrocarbon containing one or two carbon atoms, and(B) a minor amount of a soluble organic lubricant free of acetylenic and aromatic unsaturation and comprising at least one sulfone or sulfoxide characterized by the formulaeR.sup.1 (R.sup.2)SO.sub.2 (I)R.sup.1 (R.sup.2)SO (II)wherein R.sup.1 and R.sup.2 are each independently hydrocarbyl groups, --R.sup.3 O(O)CR.sup.4, --NR.sup.4 R.sup.5 or --R.sup.3 NR.sup.4 R.sup.5 groups wherein R.sup.3 is a hydrocarbylene group, and R.sup.4 and R.sup.5 are each independently hydrocarbyl groups, or R.sup.1 and R.sup.2 are hydrocarbylene groups joined together to form a cyclic moiety including the sulfur atom, or R.sup.1 is a hydrocarbyl group and R.sup.2 is OR.sup.6 wherein R.sup.6 is a hydrocarbyl group.Type: GrantFiled: November 10, 1988Date of Patent: May 22, 1990Assignee: The Lubrizol CorporationInventors: Scott T. Jolley, Mary F. Salomon
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Patent number: 4925983Abstract: This invention describes nitrogen containing compounds which are boronated in the presence of a protic material such as water or an alcohol or mixtures thereof.Type: GrantFiled: April 14, 1988Date of Patent: May 15, 1990Assignee: The Lubrizol CorporationInventor: Thomas F. Steckel
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Patent number: 4921992Abstract: Amide compounds useful as additives in lubricating fluids as extreme pressure/antiwear agents are produced on a manufacturing scale. The amides are produced by simultaneously adding together and reacting a phosphorus-containing acid and aqueous acrylamide. Substantially equal molar amounts of the phosphorus-containing acid and the aqueous acrylamide are added together with sufficient cooling to maintain the reaction at a temperature below 50.degree. C. After isolation, the reaction product obtained is preferably further reacted with a coupling agent, preferably paraformaldehyde.Type: GrantFiled: December 16, 1988Date of Patent: May 1, 1990Assignee: The Lubrizol CorporationInventors: Paul E. Adams, Darryl W. Kinzer
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Patent number: 4919178Abstract: Emulsifiers are disclosed which comprise the reaction product of component (I) with component (II). Component (I) comprises the reaction product of certain carboxylic acids or anhydrides, or ester or amide derivatives thereof, with ammonia, at least one amine, at least one alkali and/or at least one alkaline-earth metal. Component (II) comprises certain phosphorous-containing acids; or metal salts of said phosphorous-containing acids, the metals being selected from the group consisting of magnesium, calcium, strontium, chromium, manganese, iron, molybdenum, cobalt, nickel, copper, silver zinc, cadmium, aluminum, tin, lead, and mixtures of two or more thereof. These emulsifiers are useful in water-in-oil explosive emulsions.Type: GrantFiled: July 14, 1989Date of Patent: April 24, 1990Assignee: The Lubrizol CorporationInventors: Alan T. Riga, John W. Forsberg
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Patent number: 4915858Abstract: This invention describes compositions containing nitrogen, sulfur and optionally oxygen which are useful as antioxidants for lubricants.Type: GrantFiled: June 23, 1988Date of Patent: April 10, 1990Assignee: The Lubrizol CorporationInventor: Mary F. Salomon
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Patent number: 4909952Abstract: Lubricating oil compositions, particularly lubricating oil compositions comprising sulfur-containing polymeric polyesters. Sulfur-containing polyesters and methods for preparing same are also disclosed. The sulfur-containing polyesters are useful for preparing low-phosphorus containing lubricating oil compositions.Type: GrantFiled: January 3, 1989Date of Patent: March 20, 1990Assignee: The Lubrizol CorporationInventors: Mary F. Salomon, Richard M. Lange
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Patent number: 4906392Abstract: Coupled polyamine additives for lubricants, fuels and functional fluids have been discovered. The coupled polyamines are prepared by the cyclization reaction of at least one reactant polyamine reactant with at least one hydrocarbyl polynitrile. This coupled polyamine may be further reacted with a hydrocarbyl carboxylic acid or derivative thereof, a hydrocarbyl phenolic reactant or mixtures thereof to provide an additive having greater oil solubility as well as imparting disperancy and VI improvement.Type: GrantFiled: April 18, 1986Date of Patent: March 6, 1990Assignee: The Lubrizol CorporationInventor: Paul E. Adams
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Patent number: 4906253Abstract: Dioxolanes, thio analogs thereof, and derivatives of these and methods of preparation are described. These materials are useful as additives in lubricants and fuels. Methods for reducing fuel consumption in internal combustion engines employing the lubricating compositions are described.Type: GrantFiled: September 20, 1988Date of Patent: March 6, 1990Assignee: The Lubrizol CorporationInventor: Reed H. Walsh
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Patent number: 4904401Abstract: A lubricating oil formulation is described which is useful in internal combustion engines. More particularly, lubricating oil compositions for internal combustion engines are described with comprise (A) a major amount of oil of lubricating viscosity, and at least 2.0% by weight of (B) at least one carboxylic derivative composition produced by reacting (B-1) at least one substituted succinic acylating agent with (B-2) at least one amine compound characterized by the presence within its structure of at least one HN< group, and wherein said substituted succinic acylating agent consists of substituent groups and succinic groups wherein the substituent groups are derived from a polyalkylene, said polyalkene being characterized by Mn value of about 1300 to about 5000 and an Mw/Mn value of about 1.5 to about 4.5, said acylating agents being characterized by the presence within their structure of an average of at least 1.3 succinic groups for each equivalent weight of substituent groups, and (C) from about 0.Type: GrantFiled: September 8, 1988Date of Patent: February 27, 1990Assignee: The Lubrizol CorporationInventors: David E. Ripple, Calvin W. Schroeck
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Patent number: 4894174Abstract: The present invention deals with compositions containing sulfur and oxygen which are useful in lubricants and automatic transmission fluids.Type: GrantFiled: June 24, 1988Date of Patent: January 16, 1990Assignee: The Lubrizol CorporationInventor: Mary F. Salomon
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Patent number: 4889880Abstract: Modified asphalt compositions are described which comprise(A) asphalt, and(B) a minor amount, sufficient to reduce or retard degradation of the asphalt in service, of at least one polymer derived from a butene having a weight average molecular weight (Mw) of about 5,000 to about 1,000,000. Generally, the modified asphalt composition will contain from about 0.01 to about 10% by weight, based on the weight of the asphalt, of the polymer as defined. The modified asphalt compositions of the present invention are useful in roofing applications and in preparing aggregate-containing asphalt concretes which can be employed as paving compositions.Type: GrantFiled: March 14, 1988Date of Patent: December 26, 1989Assignee: The Lubrizol CorporationInventor: H. Richard Miller
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Patent number: 4880553Abstract: Compositions useful as pour point depressants, novel compounds within such compositions, and processes for making same, as well as lubricant oil compositions containing same, are disclosed. The novel compounds are encompassed by the general structural formula (I)Ar(R)--[Ar'(R')].sub.n --Ar" (I)wherein the Ar, Ar' and Ar" are independently an aromatic moiety containing 1 to 3 aromatic rings and each aromatic moiety is substituted with 0 to 3 substituents, (R) and (R') are independently an alkylene group containing about 1 to 100 carbon atoms with the proviso that at least one of (R) or (R') is CH.sub.2, and n is 0 to about 1000; with the proviso that if n is 0, then (R) is CH.sub.2 and each aromatic moiety is independently substituted with 0 to 3 substituents with one aromatic moiety having at least one substituent, the substituents being selected from the group consisting of a substituent derived from an olefin and a substituent derived from a chlorinated hydrocarbon.Type: GrantFiled: April 5, 1988Date of Patent: November 14, 1989Assignee: The Lubrizol CorporationInventors: Joseph L. Kostusyk, Syed Q. A. Rizvi
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Patent number: 4879022Abstract: The present invention relates to an improved process for beneficiating an ore containing sulfide materials with selective rejection of pyrite, pyrrhotite and other metals and gangue. In particular, the process is useful for beneficiating ores and recovering copper from said ores. In one embodiment the process comprises the steps of(A) grinding the ore to an appropriate size range;(B) preparing a slurry comprising(B-1) said ground ore;(B-2) at least one collector which is a water-dispersible or soluble dihydrocarbyldithiodiphosphoric acid or salt having the formula ##STR1## wherein R.sup.1 and R.sup.2 are different hydrocarbyl groups containing up to about 12 carbon atoms, n is an integer equal to the valence of X and X.sup.n+ is a dissociating cation; and(B-3) water;(C) conditioning the slurry with SO.sub.2 under aeration at a pH of about 5.5 to about 7.Type: GrantFiled: January 19, 1989Date of Patent: November 7, 1989Assignee: The Lubrizol CorporationInventors: Alan C. Clark, Edward P. Richards, Douglas R. Shaw
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Patent number: 4876374Abstract: Amide compounds useful as additives in lubricating fluids as extreme pressure/antiwear agents are produced on a manufacturing scale. The amides are produced by simultaneously adding together and reacting a phosphorus-containing acid and aqueous acrylamide. Substantially equal molar amounts of the phosphorus-containing acid and the aqueous acrylamide are added together with sufficient cooling to maintain the reaction at a temperature below 50.degree. C. After insolation, the reaction product obtained is preferably further reacted with a coupling agent, preferably paraformaldehyde.Type: GrantFiled: May 22, 1987Date of Patent: October 24, 1989Assignee: The Lubrizol CorporationInventors: Paul E. Adams, Darryl W. Kinzer
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Patent number: 4873006Abstract: Nitrogen containing carboxylic compounds useful in reducing hydrogen sulfide are described herein. The compositions of the invention also desirably contain an alkali or alkaline earth metal containing compound.Type: GrantFiled: September 1, 1988Date of Patent: October 10, 1989Assignee: The Lubrizol CorporationInventors: James N. Vinci, Curtis R. Scharf