Patents by Inventor Eric F. V. Scriven
Eric F. V. Scriven 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: 7687513Abstract: Disclosed herein are aminopyridinium cations and compositions containing these cations. Piperidino pyridinium cations and compositions containing these cations are also described. Ionic compositions, particularly liquid ionic compositions that contain the aminopyridinium cation or piperidino pyridinium cation are also described. Methods of enhancing the thermal stability of a compound, particularly an ionic compound, using the aminopyridinium or piperidino pyridinium cations, are also presented. Compositions having an expanded liquidus range of from about ?73° C. to about 444° C. are also described. Solvents, heat transfer fluids, and lubricants having improved thermal stability characteristics and an expanded and improved liquidus range are also disclosed.Type: GrantFiled: October 21, 2005Date of Patent: March 30, 2010Assignee: University of Notre Dame Du LacInventors: Mark Muldoon, Joan F. Brennecke, Edward J. Maginn, Eric F. V. Scriven, Colin H. McAteer, Ramiah Murugan
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Patent number: 6958400Abstract: Processes for preparing a 4-(secondary or tertiary)aminopyridine are provided. The processes comprise reacting a 4-substituted pyridine base having a leaving group as the 4-substituent, with an activating agent so as to form a corresponding 1,4-substituted pyridine; reacting the 1,4-substituted pyridine with a primary or secondary amine to substitute an amino group at the 4-position, and thereby form a corresponding 1-substituted-4-(secondary or tertiary) aminopyridine, wherein the reacting is conducted in a substitution reaction medium essentially free from strong base; and treating the 1-substituted-4-aminopyridine compound to remove the 1-substituent and thereby form a product medium including the 4-(secondary or tertiary) amino-pyridine.Type: GrantFiled: April 29, 2003Date of Patent: October 25, 2005Assignee: Reilly Industries, Inc.Inventors: Marudai Balasubramanian, Joel R. Calvin, Eric F. V. Scriven, Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep
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Publication number: 20030232995Abstract: Described are preferred processes for producing extrusion-granulated supernucleophilic 4-amino-substituted pyridine catalysts, and granular products obtainable thereform. Also described are preferred activation-substitution-deactivation processes for producing 4-aminopyridine compounds, which involve the use of acrylic acid or acrylamide or analogs thereof for activation, and substitution steps conducted under mild basic conditions in an excess of the amine reagent for 4-substitution. Such processes provide improved reacted masses which are more readily processed to recover the products in pure, heat-stable form. Further, described are processes for preparing 4-substituted-pyridines via pyridine betaines.Type: ApplicationFiled: April 29, 2003Publication date: December 18, 2003Inventors: Joe W. Curtis, Marudai Balasubramanian, Joel R. Calvin, Eric F.V. Scriven, Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep
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Patent number: 6603010Abstract: Described are preferred processes for producing extrusion-granulated supernucleophilic 4-amino-substituted pyridine catalysts, and granular products obtainable thereform. Also described are preferred activation-substitution-deactivation processes for producing 4-aminopyridine compounds, which involve the use of acrylic acid or acrylamide or analogs thereof for activation, and substitution steps conducted under mild basic conditions in an excess of the amine reagent for 4-substitution. Such processes provide improved reacted masses which are more readily processed to recover the products in pure, heat-stable form. Further, described are processes for preparing 4-substituted-pyridines via pyridine betaines.Type: GrantFiled: November 6, 2001Date of Patent: August 5, 2003Assignee: Reilly Industries, Inc.Inventors: Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep, Eric F. V. Scriven
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Publication number: 20020165087Abstract: Described are preferred processes for producing extrusion-granulated supernucleophilic 4-amino-substituted pyridine catalysts, and granular products obtainable thereform. Also described are preferred activation-substitution-deactivation processes for producing 4-aminopyridine compounds, which involve the use of acrylic acid or acrylamide or analogs thereof for activation, and substitution steps conducted under mild basic conditions in an excess of the amine reagent for 4-substitution. Such processes provide improved reacted masses which are more readily processed to recover the products in pure, heat-stable form. Further, described are processes for preparing 4-substituted-pyridines via pyridine betaines.Type: ApplicationFiled: November 6, 2001Publication date: November 7, 2002Inventors: Joe W. Curtis, Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep, Marudai Balasubramanian, Joel R. Calvin, Eric F.V. Scriven
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Patent number: 6420439Abstract: Described are non-swelling, crosslinked, bead forms of ampholytic base polymers that can be utilized in the chromatographic-type separation of acids from other compounds. Preferred polymers are prepared by modifying a poly-2 or poly-4-vinylpyridine resin crosslinked with divinylbenzene.Type: GrantFiled: April 15, 1999Date of Patent: July 16, 2002Assignee: Reilly Industries, Inc.Inventors: Martin Grendze, Donald W. McQuigg, John T. Wyeth, Ernest Crowe, Katherine M. Weisheit, Eric F. V. Scriven
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Patent number: 6403825Abstract: Described are processes for producing citrate esters in, an economic fashion. Esters are prepared by esterification of a citric acid-containing fermentation broth having been treated to remove cations and optionally other impurities, but containing sugar(s). Esters are also prepared by reacting an impure aqueous citric acid source with an alcohol to provide a heterogeneous aqueous/organic reacted mixture, wherein the organic phase contains the ester and the aqueous phase retains water-soluble impurities. A liquid phase separation is then used to separate the organic and aqueous phases, conveniently separating the impurities from the product and avoiding the energy-intensive distillation of water from the reaction medium.Type: GrantFiled: November 30, 1999Date of Patent: June 11, 2002Assignee: Reilly Industries, Inc.Inventors: Edward P. Frappier, James E. Davis, Martin Grendze, Eric F. V. Scriven, John T. Wyeth, Kuen-Wai Chiu
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Patent number: 6391995Abstract: Described are preferred processes for preparing quaternary amine polymers of good color, comprising preparing a free base amine polymer by polymerizing a free base amine monomer in the presence of a water-soluble azo initiator, and subjecting the resultant polymer to quaternization conditions. Also described are unique, water-soluble quaternary amine polymers obtainable by such processes, and dye complexing polymer blends useful in the manufacture of detergents.Type: GrantFiled: February 9, 2001Date of Patent: May 21, 2002Assignee: Reilly Industries, Inc.Inventors: Ramiah Murugan, Eric F. V. Scriven, James R. Stout, Stephanie Syler Metrick
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Patent number: 6369230Abstract: A process of preparing 4-substituted pyridine compounds via pyridine betaine compounds.Type: GrantFiled: April 13, 2000Date of Patent: April 9, 2002Assignee: Reilly Industries, Inc.Inventors: Joe W. Curtis, Marudai Balasubramanian, Joel R. Calvin, Eric F. V. Scriven, Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep
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Patent number: 6365738Abstract: Described are preferred processes for preparing heterocycles having one or more nitrogen and/or oxygen heteroatoms, utilizing a 1,3-dihalopropene as an effective 3-carbon fragment. Preferred processes yield pyridines, quinolines, oxazoles, pyrimidines and pyrazoles, depending upon the other reactant or reactants utilized with the 1,3-dihalopropene.Type: GrantFiled: June 29, 1999Date of Patent: April 2, 2002Assignee: Reilly Industries, Inc.Inventors: Ramiah Murugan, Eric F. V. Scriven
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Publication number: 20020019495Abstract: Described are preferred processes for preparing quaternary amine polymers of good color, comprising preparing a free base amine polymer by polymerizing a free base amine monomer in the presence of a water-soluble azo initiator, and subjecting the resultant polymer to quaternization conditions. Also described are unique, water-soluble quaternary amine polymers obtainable by such processes, and dye complexing polymer blends useful in the manufacture of detergents.Type: ApplicationFiled: February 9, 2001Publication date: February 14, 2002Inventors: Ramiah Murugan, Eric F.V. Scriven, James R. Stout, Stephanie Syler Metrick
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Patent number: 6046336Abstract: Described are preferred processes for producing extrusion-granulated supernucleophilic 4-amino-substituted pyridine catalysts, and granular products obtainable therefrom. Also described are preferred activation-substitution-deactivation processes for producing 4-aminopyridine compounds, which involve the use of acrylic acid or acrylamide or analogs thereof for activation, and substitution steps conducted under mild basic conditions in an excess of the amine reagent for 4-substitution. Such processes provide improved reacted masses which are more readily processed to recover the products in pure, heat-stable form. Further, described are processes for preparing 4-substituted-pyridines via pyridine betaines.Type: GrantFiled: July 31, 1998Date of Patent: April 4, 2000Assignee: Reilly Industries, Inc.Inventors: Joe W. Curtis, Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep, Marudai Balasubramanian, Joel R. Calvin, Eric F. V. Scriven
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Patent number: 5932736Abstract: Described are preferred processes for preparing heterocycles having one or more nitrogen and/or oxygen heteroatoms, utilizing a 1,3-dihalopropene as an effective 3-carbon fragment. Preferred processes yield pyridines, quinolines, oxazoles, pyrimidines and pyrazoles, depending upon the other reactant or reactants utilized with the 1,3-dihalopropene.Type: GrantFiled: April 7, 1998Date of Patent: August 3, 1999Assignee: Reilly Industries, Inc.Inventors: Ramiah Murugan, Eric F. V. Scriven
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Patent number: 5824756Abstract: Described are preferred processes for producing linear polyvinylpyridines. The processes involve the use of hydrogen peroxide to initiate polymerization of vinylpyridine monomers in an aqueous solvent. Processes of the invention provide good reaction rates and conversions, and are particularly advantageous in achieving control of the M.sub.w 's of the final product polymers.Type: GrantFiled: August 2, 1996Date of Patent: October 20, 1998Assignee: Reilly Industries, Inc.Inventors: Eric F. V. Scriven, James R. Stout, Ramiah Murugan, James G. Keay
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Patent number: 5541331Abstract: Disclosed are preferred processes for producing .alpha.-2-pyridyl.alpha.-aryl carbinol or .alpha.-4-pyridyl .alpha.-aryl carbinol compounds.Type: GrantFiled: June 15, 1995Date of Patent: July 30, 1996Assignee: Reilly Industries, Inc.Inventors: Ramiah Murugan, Gerald L. Goe, Eric F. V. Scriven
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Patent number: 5534134Abstract: Described are preferred pitches which comprise a blend of coal tar pitch, petroleum pitch and gilsonite pitch, and preferred processes and compositions which can be used to form such pitches. The pitches have substantially reduced contents of polyaromatic hydrocarbons (PAH's) relative to standard coal tar pitches, and are thus more favorable from health, safety and environmental standpoints.Type: GrantFiled: November 23, 1993Date of Patent: July 9, 1996Assignee: Reilly Industries, Inc.Inventors: William Roder, Eric F. V. Scriven
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Patent number: 5508410Abstract: Described are preferred processes for preparing 2-halo-5-substituted pyridine compounds. Preferred processes can be conducted in a one-step, one-pot fashion, and involve the reaction of a formamide and a halogenating agent with a nitrile such as cis-2-pentenonitrile or with a combination of reactants including an aldehyde such as n-propionaldehyde and a nitrile or an amide. Preferred processes provide for convenient and advantageous preparations of 2-chloro-5-methylpyridine, which serves as an intermediate to important insecticidal compounds.Type: GrantFiled: November 30, 1993Date of Patent: April 16, 1996Assignee: Reilly Industries, Inc.Inventors: Ramiah Murugan, Eric F. V. Scriven, Tony Y. Zhang
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Patent number: 5493028Abstract: Disclosed are preferred processes for the preparation of 2-halo-nicotinic acid derivatives of formula (IV): ##STR1## by cyclocondensation of a 4-halo-4-cyanocarbonyl compound of formula (III): ##STR2## wherein X is Cl or Br; Y is a carbonyl group and R.sup.1, R.sup.2 and R.sup.3 are each, independently, H, Cl, Br or an organic radical. Further preferred aspects include the preparation of the above-noted 4-halo-4-cyanocarbonyl compound via Michael addition of a 2-halonitrile with an .alpha.,.beta.-unsaturated aldehyde or ketone, and the preparation of the 2-halonitrile by redistribution of halogen between a 2,2-dihalonitrile and a parent nitrile.Type: GrantFiled: January 11, 1994Date of Patent: February 20, 1996Assignee: Reilly Industries, Inc.Inventors: Tony Y. Zhang, Eric F. V. Scriven
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Patent number: 5446163Abstract: Processes for preparing pyridyl-substituted hydrazoles, dihydrothiadiazones or aminotriazinones by reaction of iminopyridines preformed in situ or otherwise with hydrazides or carbazides, or their sulfur counterparts, or with aminotriazinones.Type: GrantFiled: October 2, 1992Date of Patent: August 29, 1995Assignee: Reilly Industries, Inc.Inventors: Eric F. V. Scriven, James G. Keay, Tony Zhang
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Patent number: 5424436Abstract: Imines are synthesized by the hydrogenation of pyridinecarbonitriles with amines in the presence of a rhodium-loaded catalyst. The resulting imines are stable and may be transiminated and then hydrogenated to form selected secondary amine products or may be hydrolyzed to aldehydes.Further, a very useful class of unsymmetrical secondary amines represented by the formula RCH.sub.2 NHAr (in which R is not aliphatic and Ar is aromatic and not attached to R), which has heretofore been accessible only with some difficulty, can be synthesized by processes herein disclosed utilizing the reductive intermolecular coupling of nitriles and primary aromatic amines.Type: GrantFiled: September 8, 1993Date of Patent: June 13, 1995Assignee: Reilly Industries, Inc.Inventors: Gerald L. Goe, James G. Keay, Eric F. V. Scriven, Michael L. Prunier, Steven J. Quimby