Patents by Inventor Christopher P. Junk
Christopher P. Junk 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: 7829706Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: GrantFiled: May 27, 2009Date of Patent: November 9, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Patent number: 7829739Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: GrantFiled: May 27, 2009Date of Patent: November 9, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Patent number: 7829722Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: GrantFiled: May 27, 2009Date of Patent: November 9, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20100145093Abstract: A process for manufacture of hydrofluoroalkanesulfonic acid with at least one hydrogen bonded to the carbon atom adjacent to the carbon atom bonded to the sulfonic acid group comprising: contacting a fluoroolefin with sulfite in an aqueous solution adjusted to about pH 4 to pH 12; removing water from the solution to form a solid; directly treating the solid with oleum; and distilling the hydrofluoroalkanesulfonic acid therefrom. Also a process for manufacture of potassium hydrofluoroalkanesulfonate in high purity is described.Type: ApplicationFiled: February 22, 2010Publication date: June 10, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
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Publication number: 20100145073Abstract: This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker, which compounds may be represented by the structure of the following Formula I: wherein: (a) Z is —(CH2)n—, wherein n is an integer from 2 to 12; (b) R2, R3 and R4 are each independently H or a C1 to C6 straight-chain or branched alkyl group; and (c) A?is levulinate, —[CF3—O—CFHCF2SO3]—, [CF3CF2OCFHCF2SO3]—, or [CF3CF2CF2OCFHCF2SO3]—.Type: ApplicationFiled: December 4, 2008Publication date: June 10, 2010Inventors: THOMAS FOO, Mark Andrew Harmer, Keith W. Hutchenson, Christopher P. Junk, Berlyn R. Mellein, Aaron Minter
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Publication number: 20100145074Abstract: This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker.Type: ApplicationFiled: December 4, 2008Publication date: June 10, 2010Inventors: THOMAS FOO, Mark Andrew Harmer, Keith W. Hutchenson, Christopher P. Junk, Berlyn R. Mellein, Aaron Minter
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Patent number: 7722785Abstract: The present disclosure relates to electrically conductive polymer compositions, comprising at least one electrically conductive copolymer; and at least one fluorinated acid polymer, their use in organic electronic devices, and methods for preparation.Type: GrantFiled: June 27, 2006Date of Patent: May 25, 2010Assignees: E.I. du Pont de Nemours and Company, Dupont Displays Inc.Inventors: Che-Hsiung Hsu, Sunghan Kim, Charles J. Dubois, Christopher P. Junk, Andrew Edward Feiring, Zhen-Yu Yang, Amy Qi Han, legal representative, Mark F. Teasley, Viacheslav A. Petrov
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Publication number: 20100120980Abstract: A compound of Formula (1) Rf—O—(CXX?)m—(CY2)nSO3M ??(1) wherein Rf is a C1 to C4 linear or branched perfluoroalkyl group, X and X? are each independently H or F, provided that at least one of X or X? is F, each Y is independently H or F, m is an integer from 1 to 4, n is an integer from 1 to 2, and M is H, NH4, Li, Na or K, provided that when CXX? is CHF or CFH, then n is 2.Type: ApplicationFiled: November 13, 2008Publication date: May 13, 2010Inventors: Sheng Peng, Ming-Hong Hung, Christopher P. Junk, Phan Linh Tang
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Publication number: 20100113691Abstract: A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, wherein said polymerization agent is a compound of the formula (I): Rf—O—(CF2)n—COOX??(I) wherein Rf is CF3CF2CF2—, n is an integer equal to 3, 5 or 7, and X is H, NH4, Li, Na or K.Type: ApplicationFiled: November 6, 2008Publication date: May 6, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Sheng Peng, Ming-Hong Hung, Christopher P. Junk
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Patent number: 7683209Abstract: A process for manufacture of hydrofluoroalkanesulfonic acid with at least one hydrogen bonded to the carbon atom adjacent to the carbon atom bonded to the sulfonic acid group comprising: contacting a fluoroolefin with sulfite in an aqueous solution adjusted to about pH 4 to pH 12; removing water from the solution to form a solid; directly treating the solid with oleum; and distilling the hydrofluoroalkanesulfonic acid therefrom. Also a process for manufacture of potassium hydrofluoroalkanesulfonate in high purity is described.Type: GrantFiled: June 6, 2006Date of Patent: March 23, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
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Patent number: 7625941Abstract: The present invention relates to compositions of matter that are useful as ionic liquids. The compositions of the invention are based on an N-substituted pyrrolidinone, said pyrrolidinone having a pendant ammonium cation that is separated from the pyrrolidone ring by a variable length alkyl spacer. The compositions comprise fluoroalkyl sulfonate anions.Type: GrantFiled: September 22, 2006Date of Patent: December 1, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christopher P. Junk, Leo Ernest Manzer
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Publication number: 20090292126Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: November 26, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234133Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234118Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234120Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234116Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234134Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090233788Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234135Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20090234119Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery