Patents by Inventor Zoe Schnepp

Zoe Schnepp 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).

  • Manufacture of hydrofluoroalkanesulfonic acids
    Patent number: 8283492
    Abstract: 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: Grant
    Filed: January 20, 2011
    Date of Patent: October 9, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
  • Hydrofluoroalkanesulfonic acids and salts from fluorovinyl ethers
    Patent number: 8048604
    Abstract: Hydrofluoroalkanesulfonates of the general formula R—O—CXH—CX2—SO3M, where R is selected from the group consisting of alkyl groups, functionalized alkyl groups, and alkenyl groups; X is selected from the group consisting of hydrogen and fluorine with the proviso that at least one X is fluorine; and M is a cation, are made by reacting fluorovinyl ether with aqueous sulfite solution. Organic onium hydrofluoroalkanesulfonates are useful as ionic liquids and photoacid generators.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: November 1, 2011
    Assignee: E.I.du Pont de Nemours and Company
    Inventors: Christopher P. Junk, Mark Andrew Harmer, Andrew Edward Feiring, Frank Leonard Schadt, III, Zoe Schnepp
  • Manufacture of Hydrofluoroalkanesulfonic Acids
    Publication number: 20110112320
    Abstract: 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: Application
    Filed: January 20, 2011
    Publication date: May 12, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
  • Manufacture of hydrofluoroalkanesulfonic acids
    Patent number: 7897807
    Abstract: 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: Grant
    Filed: February 22, 2010
    Date of Patent: March 1, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
  • Hydrofluoroalkanesulfonic Acids and Salts from Fluorovinyl Ethers
    Publication number: 20110039203
    Abstract: Hydrofluoroalkanesulfonates of the general formula R—O—CXH—CX2—SO3M, where R is selected from the group consisting of alkyl groups, functionalized alkyl groups, and alkenyl groups; X is selected from the group consisting of hydrogen and fluorine with the proviso that at least one X is fluorine; and M is a cation, are made by reacting fluorovinyl ether with aqueous sulfite solution. Organic onium hydrofluoroalkanesulfonates are useful as ionic liquids and photoacid generators.
    Type: Application
    Filed: October 21, 2010
    Publication date: February 17, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: CHRISTOPHER P. JUNK, MARK ANDREW HARMER, ANDREW EDWARD FEIRING, FRANK LEONARD SCHADT, III, ZOE SCHNEPP
  • Hydrofluoroalkanesulfonic acids from fluorovinyl ethers
    Patent number: 7834209
    Abstract: Hydrofluoroalkanesulfonates of the general formula R—O—CXH—CX2—SO3M, where R is selected from the group consisting of alkyl groups, functionalized alkyl groups, and alkenyl groups; X is selected from the group consisting of hydrogen and fluorine with the proviso that at least one X is fluorine; and M is a cation, are made by reacting fluorovinyl ether with aqueous sulfite solution. Organic onium hydrofluoroalkanesulfonates are useful as ionic liquids and photoacid generators.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: November 16, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christopher P. Junk, Mark Andrew Harmer, Andrew Edward Feiring, Frank Leonard Schadt, III, Zoe Schnepp
  • Manufacture of Hydrofluoroalkanesulfonic Acids
    Publication number: 20100145093
    Abstract: 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: Application
    Filed: February 22, 2010
    Publication date: June 10, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
  • Manufacture of hydrofluoroalkanesulfonic acids
    Patent number: 7683209
    Abstract: 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: Grant
    Filed: June 6, 2006
    Date of Patent: March 23, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
  • Alkylation of aromatic compounds
    Publication number: 20070100183
    Abstract: The present invention relates to the synthesis of alkylated aromatic compounds. Alkylated aromatic compounds are synthesized by reacting an aromatic compound with a monoolefin in the presence of a porous microcomposite comprising at least one fluorinated sulfonic acid on silica.
    Type: Application
    Filed: October 19, 2006
    Publication date: May 3, 2007
    Inventors: Mark Harmer, Christopher Junk, Jemma Vickery, Zoe Schnepp
  • Olefin polymerization
    Publication number: 20070100193
    Abstract: This invention relates to a process for isomerizing olefins using a porous microcomposite comprising at least one fluorinated sulfonic acid on silica as the catalyst.
    Type: Application
    Filed: October 19, 2006
    Publication date: May 3, 2007
    Inventors: Mark Harmer, Christopher Junk, Jemma Vickery, Zoe Schnepp
  • Porous microcomposite of fluorinated sulfonic acid and a network of silica
    Publication number: 20070098619
    Abstract: This invention relates to porous microcomposites comprising fluorinated sulfonic acid and a network of silica, wherein the fluorinated sulfonic acid is selected from the group consisting of 1,1,2,2-tetrafluoroethanesulfonic acid, 1,1,2-trifluoro-2-(perfluoroethoxy)ethanesulfonic acid, 1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonic acid, 1,1,2-trifluoro-2-(perfluoropropoxy)ethanesulfonic acid; 1,1,2,3,3,3-hexafluoropropanesulfonic acid; and 2-chloro-1,1,2-trifluoroethanesulfonic acid. The porous microcomposites are useful as catalysts.
    Type: Application
    Filed: October 19, 2006
    Publication date: May 3, 2007
    Inventors: Mark Harmer, Christopher Junk, Jemma Vickery, Zoe Schnepp
  • Manufacture of hydrofluoroalkanesulfonic acids
    Publication number: 20060276671
    Abstract: 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: Application
    Filed: June 6, 2006
    Publication date: December 7, 2006
    Inventors: Mark Harmer, Christopher Junk, Zoe Schnepp
  • Hydrofluoroalkanesulfonic acids from fluorovinyl ethers
    Publication number: 20060276670
    Abstract: Hydrofluoroalkanesulfonates of the general formula R—O—CXH—CX2—SO3M, where R is selected from the group consisting of alkyl groups, functionalized alkyl groups, and alkenyl groups; X is selected from the group consisting of hydrogen and fluorine with the proviso that at least one X is fluorine; and M is a cation, are made by reacting fluorovinyl ether with aqueous sulfite solution. Organic onium hydrofluoroalkanesulfonates are useful as ionic liquids and photoacid generators.
    Type: Application
    Filed: June 6, 2006
    Publication date: December 7, 2006
    Inventors: Christopher Junk, Mark Harmer, Andrew Feiring, Frank Schadt, Zoe Schnepp