Patents Represented by Attorney Robert L. Andersen
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Patent number: 5583269Abstract: A process for quickly preparing easily separable solutions of lithium tertiary-alkoxides. Comprising the steps of reacting lithium metal in bulk solid form, containing less than 0.1% by weight of sodium, with a tertiary alcohol in mole ratios of metal to alcohol ranging from 2 to 1 to 10 to 1 in a solvent selected from ethereal or hydrocarbon solvents under an inert atmosphere at elevated temperature for 1 to 10 hours, cooling the product and separating the product solution from the unreacted lithium metal in the reactor, and optionally adding solvent and sufficient lithium metal and alcohol to said unreacted metal in said reactor to maintain said mole ratio of lithium metal to alcohol, and continuing the reaction, thereby to form further lithium tert-alkoxide, and repeating said steps a number of times.Type: GrantFiled: May 8, 1995Date of Patent: December 10, 1996Assignee: FMC CorporationInventors: Robert C. Morrison, Conrad W. Kamienski, James A. Schwindeman
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Patent number: 5567474Abstract: A process for producing alkali metal dispersions by agitating a mixture of molten alkali metal in a hydrocarbon oil at dispersion speeds by contacting the dispersed alkali metal with up to 3 weight percent anhydrous carbon dioxide through the agitating dispersion for at least 1 minute. The process produces lithium dispersions having a dispersion coating containing lithium carbonate, lithium oxide or hydroxide and a hydrocarbon.Type: GrantFiled: March 21, 1994Date of Patent: October 22, 1996Assignee: FMC CorporationInventors: B. Troy Dover, Conrad W. Kamienski, Robert C. Morrison, R. Thomas Currin, Jr.
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Patent number: 5567774Abstract: A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure:M--Z--O--C(R.sup.1 R.sup.2 R.sup.3)wherein M is an alkali metal; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, aryl or substituted aryl groups, and their employment as initiators in the anionic polymerization of olefin containing monomers in an inert, hydrocarbon solvent comprising reacting an omega-protected-1-haloalkyl with lithium metal dispersion having a particle size between 10 and 300 millimicrons in size, at a temperature between 35.degree. and 130.degree. C. in an alkane solvent containing 5 to 10 carbon atoms.Type: GrantFiled: June 2, 1995Date of Patent: October 22, 1996Assignee: FMC CorporationInventors: James A. Schwindeman, Eric J. Granger, John F. Engel, Conrad W. Kamienski
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Patent number: 5565526Abstract: A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure:M--Q.sub.n --Z--OA(R.sup.1 R.sup.2 R.sup.3) (II)wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenylsubstituted aromatic hydrocarbons; Z is defined as a branched or straight chain hydrocarbon tether or connecting group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; A is an element selected from Group IVa of the periodic table and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, aryl or substituted aryl groups, and n is an integer from 1 to 5.Type: GrantFiled: May 8, 1995Date of Patent: October 15, 1996Assignee: FMC CorporationInventors: James A. Schwindeman, Conrad W. Kamienski, Robert C. Morrison
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Patent number: 5560849Abstract: The antiwear properties of synthetic ester lubricants intended for use at high temperatures (150.degree. C. to 350.degree. C.) are improved by adding to the lubricants a hydrocarbon insoluble, synthetic ester soluble, aryl diphosphate ester composition containing a major amount of an aryl diphosphate ester of the formula: ##STR1## wherein Ar is unsubstituted or alkyl (C.sub.1 -C.sub.12) substituted arylene and R is unsubstituted or alkyl (C.sub.1 -C.sub.12) substituted aryl.Type: GrantFiled: December 23, 1994Date of Patent: October 1, 1996Assignee: FMC CorporationInventors: Sundeep G. Shankwalkar, Douglas G. Placek
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Patent number: 5556903Abstract: Flame retarding resin compositions having good thermal stability and good impact resistance. The composition comprises a thermoplastic resin selected from the group of polycarbonate, polybutylene terephthalate, polyethylene terephthalate, and blends and alloys of polycarbonate with polybutylene terephthalate, polyethylene terephthalate and acrylonitrile-butadiene-styrene, and a flame retarding amount of a melt-blendable, solid polybrominated triphenyl phosphate ester selected from tris(dibromophenyl)phoshate and bis(tribromophenyl)phenylphosphate, and less than 5% antimony oxide or halogenated organic.Type: GrantFiled: November 18, 1994Date of Patent: September 17, 1996Assignee: FMC CorporationInventor: Joseph Green
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Patent number: 5552067Abstract: A method and compositions are presented to provide a functional fluid with an increased thermal stability in the absence of oxygen, the functional fluid base comprising from about 5% to 100% by weight of a triester of a phosphorus acid and from 0% to 95% by weight of a fluid selected from the group consisting of C10-C20 paraffin hydrocarbons, C10-C.degree.aromatic hydrocarbons, C8-C15 dialkyl ethers, C8-C15 N,N dialkyl amides, esters of mono- and di-carboxylic acids, and mixtures thereof, the improvement comprising incorporating into the fluid a compound selected from the group consisting of tetrahydronaphthalene and decahydronaphthalene in sufficient quantity to provide an increased stability to high temperature in the absence of oxygen.Type: GrantFiled: April 22, 1994Date of Patent: September 3, 1996Assignee: FMC CorporationInventor: Douglas G. Placek
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Patent number: 5550157Abstract: Method of controlling fresh water mussels of the Dreissenidae family (zebra and quagga mussels) by direct contact with peracetic acid or indirectly by application to an environment where control is desired. The biofouling of environments, such as fresh water intakes, conduits and storage systems of power and water treatment systems, and of processing streams of industrial plants, is thereby reduced or eliminated.Type: GrantFiled: June 15, 1994Date of Patent: August 27, 1996Assignees: FMC Corporation, The Research Foundation of the State University of N.Y.Inventors: Alexander M. Vegega, Claudio E. Manissero
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Patent number: 5550203Abstract: A process for the preparation of hydrocarbon solutions of monofunctional amine initiators of the following general structures:M--Q.sub.n --Z--N(A(R.sup.1 R.sup.2 R.sup.3)).sub.2or ##STR1## wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenyl substituted aromatic hydrocarbons; Z is a hydrocarbon tether group which contains 3-25 carbon atoms; A is an element selected from Group IVa of the periodic table and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, substituted alkyl, cycloalkyl, aryl or substituted aryl groups, m is an integer from 0 to 7, and n is an integer from 1 to 5, monofunctional amine initiators produced by the process, use of the initiators in a polymerization process and polymers produced by the polymerization process.Type: GrantFiled: June 2, 1995Date of Patent: August 27, 1996Assignee: FMC CorporationInventors: John F. Engel, Conrad W. Kamienski, James A. Schwindeman, Randy W. Hall, Robert C. Morrison, B. Troy Dover
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Patent number: 5547487Abstract: A process is described for producing amorphous metal alloys wherein impure ferrophosphorus slag, a by-product from a phosphorus-producing electric furnace, is used to supply phosphorus, chromium, vanadium and iron values to such alloys by mixing it with iron and any other desired metalloid and/or elements to form a molten mixture, treating the molten mixture to a separation step to remove insoluble slag formed in said molten mixture, and rapidly cooling the molten mixture to below its vitrification temperature to form a solid amorphous metal alloy.Type: GrantFiled: December 5, 1994Date of Patent: August 20, 1996Assignee: FMC CorporationInventors: Michael E. Blum, Gary L. Boerman, Thomas M. Fekete, Donald L. Horak, Yulig K. Kovneristy, Michael T. Orillion
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Patent number: 5536521Abstract: A rapidly hydratable konjac flour is disclosed which is distinguishable from native konjac flour in that it gains at least 60% of its potential peak viscosity within 10 minutes after dispersal into water at 25.degree. C., at least 80% of its potential peak viscosity within 20 minutes after dispersal into water at 25.degree. C., and from 80 to 100% of its potential peak viscosity within 30 minutes after dispersal into water at 25.degree. C. Methods for manufacturing rapidly hydratable konjac flour and uses for the inventive flour also are disclosed.Type: GrantFiled: October 3, 1991Date of Patent: July 16, 1996Assignee: FMC CorporationInventors: Gerald J. Shelso, Robert Kopesky, William R. Thomas, Frederick L. Robinson
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Patent number: 5527753Abstract: A process for the preparation of hydrocarbon solutions of monofunctional amine initiators of the following general structures: ##STR1## wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenyl substituted aromatic hydrocarbons; Z is a hydrocarbon tether group which contains 3-25 carbon atoms; A is an element selected from Group IVa of the periodic table and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl groups, m is an integer from 0 to 7, and n is an integer from 1 to 5, monofunctional amine initiators produced by the process, use of the initiators in a polymerization process and polymers produced by the polymerization process.Type: GrantFiled: December 13, 1994Date of Patent: June 18, 1996Assignee: FMC CorporationInventors: John F. Engel, Conrad W. Kamienski, James A. Schwindeman, Randy W. Hall, Robert C. Morrison, B. Troy Dover
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Patent number: 5523447Abstract: A process for preparing easily separable solutions of organolithium compounds comprising the steps of reacting lithium metal, in the form of cast or extruded ingots or pieces cut therefrom, with an organo halide in mole ratios ranging from 3:1 to 20:1 in a solvent selected form a group of liquid hydrocarbons, alkyl ethers, and mixtures thereof under an inert atmosphere for one to ten hours with moderate stirring, cooling the resulting product, and separating the solution of the organolithium compound from the reacted lithium metal and by-product lithium chloride in the reactor.Type: GrantFiled: June 7, 1995Date of Patent: June 4, 1996Assignee: FMC CorporationInventors: Conrad W. Kamienski, James A. Schwindeman, B. Troy Dover, Robert C. Morrison
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Patent number: 5523364Abstract: A process for the preparation of hydrocarbon solutions of monofunctional amine initiators of the following general structures: ##STR1## wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenyl substituted aromatic hydrocarbons; Z is a hydrocarbon tether group which contains 3-25 carbon atoms; A is an element selected from Group IVa of the periodic table and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl groups, m is an integer from 0 to 7, and n is an integer from 1 to 5, monofunctional amine initiators produced by the process, use of the initiators in a polymerization process and polymers produced by the polymerization process.Type: GrantFiled: June 2, 1995Date of Patent: June 4, 1996Assignee: FMC CorporationInventors: John F. Engel, Conrad W. Kamienski, James A. Schwindeman, Randy W. Hall, Robert C. Morrison, B. Troy Dover
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Patent number: 5518518Abstract: A process is described for producing amorphous metal alloys wherein impure ferrophosphorus slag, a by-product from a phosphorus-producing electric furnace, is used to supply phosphorus, chromium, vanadium and iron values to such alloys by treating the ferrophosphorus slag to a separation step to recover a purified molten ferrophos, mixing it with iron and any other desired metalloid and/or elements to form a molten mixture and rapidly cooling the molten mixture to below its vitrification temperature to form a solid amorphous metal alloy.Type: GrantFiled: October 14, 1994Date of Patent: May 21, 1996Assignee: FMC CorporationInventors: Michael F. Blum, Gary L. Boerman, Thomas M. Fekete, Donald L. Horak, Yulig K. Kovneristy, Michael T. Orillion
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Patent number: 5505982Abstract: A chocolate that contains a composite of surfactant/cellulose. The composite is made by the process of coprocessing the cellulose with a surfactant. The composite can be used as a bulking agent or functional formulary aid in low-moisture or in fat phase compositions.Type: GrantFiled: January 27, 1995Date of Patent: April 9, 1996Assignee: FMC CorporationInventors: Gregory R. Krawczyk, Edward Selinger, Emanuel J. McGinley
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Patent number: 5501802Abstract: Persulfates are used to provide water clarity when organic sanitizers such as biguanides are utilized for sanitizing recreational waters. Persulfate applications of 2 ppm or more can be used. Additionally, maintenance applications of the persulfate or the bisulfate can be used.Type: GrantFiled: September 23, 1994Date of Patent: March 26, 1996Assignee: FMC CorporationInventors: Dean S. Thorp, Frank E. Caropreso, Robert H. Tieckelmann, Donald Lapham, III
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Patent number: 5498436Abstract: A composition comprising: (A) a coprecipitate consisting essentially of: (a) a galactomannan, with (b) a glucomannan; and (B) optionally, a gelling agent admixed with the formed coprecipitate. The inventive compositions are useful as the base for food products such as: a gelled or thickened food, a pourable salad dressing; a liquid food or food additive, a food spread such as a margarine or cheese spread, a water dessert gel, a mayonnaise, a frozen dessert, and the like.Type: GrantFiled: December 30, 1993Date of Patent: March 12, 1996Assignee: FMC CorporationInventors: James J. Modliszewski, Arthur D. Ballard
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Patent number: 5493044Abstract: A process for preparing alkylsilyl and arylsilyl ethers of the formula(R--O--SiR.sup.1 R.sup.2 R.sup.3)wherein R, R1, R2 and R3 are independently selected from the group consisting of hydrogen, alkyl groups containing one to twenty carbon atoms, substituted alkyl groups containing one to twenty carbon atoms, aryl groups containing six to eighteen carbon atoms, substituted aryl groups containing six to eighteen carbon atoms, hetero aryl groups containing four to eighteen carbon atoms, and substituted hetero aryl groups containing four to eighteen carbon atoms, with the proviso that R is never hydrogen, by reacting, in a hydrocarbon solvent, a chlorosilane of the formula R.sup.1 R.sup.2 R.sup.3 Si--Cl wherein R.sup.1, R.sup.2, and R.sup.Type: GrantFiled: October 20, 1994Date of Patent: February 20, 1996Assignee: FMC CorporationInventor: James A. Schwindeman
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Patent number: 5490886Abstract: A method for quenching hot metals especially iron steel or copper with a quenching fluid comprising a major proportion of an organic phosphate ester. The preferred esters are trialkyl phosphates and tri(alkyl phenyl) phosphates. The quenched article may exhibit improved anti-wear properties.Type: GrantFiled: October 14, 1994Date of Patent: February 13, 1996Assignee: FMC CorporationInventor: Douglas G. Placek