Patents by Inventor Randy W. Hall
Randy W. Hall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6891019Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: GrantFiled: December 18, 2002Date of Patent: May 10, 2005Assignee: FMC CorporationInventors: Thorsten Werner Brockmann, Randy W. Hall
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Patent number: 6875876Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: GrantFiled: December 18, 2002Date of Patent: April 5, 2005Assignee: FMC CorporationInventors: Thorsten Werner Brockmann, Randy W. Hall
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Publication number: 20040235647Abstract: The present invention provides protected functionalized polymerization initiators having less than one molar equivalent chain extension agent introduced therein to provide hydrocarbon solubility.Type: ApplicationFiled: July 2, 2004Publication date: November 25, 2004Inventors: James A. Schwindeman, Randy W. Hall
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Patent number: 6770587Abstract: The present invention provides protected functionalized polymerization initiators having less than one molar equivalent chain extension agent introduced therein to provide hydrocarbon solubility.Type: GrantFiled: July 26, 2000Date of Patent: August 3, 2004Assignee: FMC CorporationInventors: James A. Schwindeman, Randy W. Hall
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Patent number: 6717014Abstract: Processes for the preparation of haloalkylamines and tertiary aminoalkylorganometallic compounds are disclosed. The haloalkylamines can be prepared by direct reaction of an amine with an &agr;,&ohgr;-dihaloalkane or an &agr;,&ohgr;-dihaloalkene. Tertiary aminoalkylorganometallic compounds can be prepared by reacting selected tertiary haloalkylamines with an alkali metal at a temperature greater than 45° C. in hydrocarbon solvents.Type: GrantFiled: June 25, 1997Date of Patent: April 6, 2004Assignee: FMC CorporationInventors: James Anthony Schwindeman, Randy W. Hall, Sonia S. Stryker
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Publication number: 20030162978Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: ApplicationFiled: December 18, 2002Publication date: August 28, 2003Inventors: Thorsten Werner Brockmann, Randy W. Hall
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Patent number: 6610859Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: GrantFiled: September 19, 2000Date of Patent: August 26, 2003Assignee: FMC CorporationInventors: Thorsten Werner Brockmann, Randy W. Hall
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Publication number: 20030139563Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: ApplicationFiled: December 18, 2002Publication date: July 24, 2003Inventors: Thorsten Werner Brockmann, Randy W. Hall
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Patent number: 6482944Abstract: Processes for the preparation of haloalkylamines and tertiary aminoalkylorganometallic compounds are disclosed. The haloalkylamines can be prepared by direct reaction of an amine with an &agr;, &ohgr;-dihaloalkane or an &agr;, &ohgr;-dihaloalkene. Tertiary aminoalkylorganometallic compounds can be prepared by reacting selected tertiary haloalkylamines with an alkali metal at a temperature greater than 45° C. in hydrocarbon solvents.Type: GrantFiled: March 27, 2001Date of Patent: November 19, 2002Assignee: FMC CorporationInventors: James Anthony Schwindeman, Randy W. Hall, Sonia S. Stryker
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Publication number: 20010023305Abstract: Processes for the preparation of haloalkylamines and tertiary aminoalkylorganometallic compounds are disclosed. The haloalkylamines can be prepared by direct reaction of an amine with an &agr;, &ohgr;-dihaloalkane or an &agr;, &ohgr;-dihaloalkene. Tertiary aminoalkylorganometallic compounds can be prepared by reacting selected tertiary haloalkylamines with an alkali metal at a temperature greater than 45° C. in hydrocarbon solvents.Type: ApplicationFiled: March 27, 2001Publication date: September 20, 2001Inventors: James Anthony Schwindeman, Randy W. Hall, Sonia S. Stryker
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Patent number: 6121474Abstract: Protected amine anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The initiators are very soluble in hydrocarbon solvents.Type: GrantFiled: February 24, 1999Date of Patent: September 19, 2000Assignee: FMC CorporationInventors: James Anthony Schwindeman, Eric John Granger, Roderic Paul Quirk, Randy W. Hall, Robert James Letchford
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Patent number: 6060617Abstract: Organometallic amide compositions and processes for preparing the same, for example, by: reacting an alkali metal, alkali metal hydride, or alkali metal amide with a substituted amine in the absence of an electron carrier; reacting an alkali metal with a substituted amine in the presence of an electron carrier in a hydrocarbon solvent; distilling a composition which includes an alkali metal amide and a reduced electron carrier to recover the alkali metal amide; reacting an alkali metal with a substituted amine in the presence of an alkyl halide; and reacting a substituted amine capable of reacting with an alkali metal to form a hydrocarbon insoluble alkali metal amide with an alkali metal in the presence of a substituted amine capable of reacting with an alkali metal to form a hydrocarbon soluble alkali metal amide.Type: GrantFiled: June 25, 1996Date of Patent: May 9, 2000Assignee: FMC CorporationInventors: Randy W. Hall, Bobby J. McElroy, James A. Schwindeman, Conrad W. Kamienski, Terry L. Rathman, Robert C. Morrison
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Patent number: 5923044Abstract: A process for producing nornally liquid hydrocarbon solutions of lithium dialkylamides and lithium alkylenecycloimides, essentially free of ethers and by-product gaseous alkanes derived from C1-C4 alkyllithium compounds, comprising reacting lithium metal with a C.sub.5 to C.sub.12 secondary amine and an electron carrier compound containing at least five carbon atoms in a normally liquid hydrocarbon solvent.Type: GrantFiled: May 15, 1997Date of Patent: July 13, 1999Assignee: FMC CorporationInventors: Randy W. Hall, James A. Schwindeman, Conrad W. Kamienski, John F. Engel
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Patent number: 5726308Abstract: A process for preparing high purity solutions of highly substituted lithium amide bases by direct reaction of lithium metal with highly substituted amine bases alone or in an ether solvent, a hydrocarbon solvent or in a mixed ether/hydrocarbon solvent mixture, optionally in the presence of a catalyst selected from tin salts and transition metal salts of Groups 4B, 5B, 6B, 7B, and 8 of the Periodic Table.Type: GrantFiled: March 22, 1996Date of Patent: March 10, 1998Assignee: FMC CorporationInventors: Randy W. Hall, Robert S. Wedinger, Terry L. Rathman, James A. Schwindeman
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Patent number: 5605872Abstract: 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: February 25, 1997Assignee: 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: 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: 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: 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: 5493038Abstract: A process for quickly preparing easily separable solutions of lithium alkylamides, as exemplified by the formula(R.sub.3 M).sub.x NLi(R1).sub.y.(LB).sub.z (I)wherein M is silicon or carbon, R and R.sup.1 are C.sub.1 -C.sub.8 alkyl, cycloalkyl or alkylene groups, LB is a Lewis base, x and y are integers equaling 2, and z is greater than 1, comprising the steps of reacting lithium metal in bulk form with an alkylamine in mole ratios of metal to alkylamine ranging from 2 to 1 to 10 to 1 in a solvent selected from ethereal or selected from the group consisting of conjugated dienes, vinyl aromatic and polycyclic aromatic compounds, under an inert atmosphere at elevated temperatures for 1 to 10 hours, cooling the product and separating the product solution from the unreacted lithium metal in the reactor.Type: GrantFiled: March 2, 1994Date of Patent: February 20, 1996Assignee: FMC CorporationInventors: Randy W. Hall, Conrad W. Kamienski, Robert C. Morrison, John F. Engel
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Patent number: 5340507Abstract: A catalytic process for alkylating an alkali metal selected from lithium, sodium and potassium with an alkyl halide containing 3 to 20 carbon atoms comprising conducting the reaction in the presence of a catalytic compound represented by the formula(RR.sup.1 R.sup.2 M.sup.a).sub.y A(R.sup.3).sub.xwherein R, R.sup.1 and R.sup.2 are independently selected from hydrogen, halogen, alkyl, alkenyl, cycloalkyl, and aryl groups, R.sup.3 is independently selected from alkyl groups containing 1 to 10 carbon atoms, alkylene groups containing 2 to 5 carbon atoms, aryl groups containing 6 to 18 carbon atoms, four to six-membered heterocyclic carbon containing groups containing one to two hetero atoms selected from oxygen, nitrogen, and sulfur; hydroxyalkyl, alkoxyalkyl and monoalkylaminoalkyl and dialkylaminoalkyl groups containing 2 to 13 carbon atoms; M.sup.Type: GrantFiled: March 23, 1993Date of Patent: August 23, 1994Assignee: FMC CorporationInventors: Robert C. Morrison, Randy W. Hall, James A. Schwindeman, Conrad W. Kamienski, John F. Engel