Patents by Inventor Stephan Brandstadter

Stephan Brandstadter 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).

  • Patent number: 10611709
    Abstract: Disclosed herein are methods of producing E-CF3CH?CHCF3 in a liquid phase. Also disclosed are methods of preparing CF3CH2CHClCF3 and CF3CHClCH2CCl3.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: April 7, 2020
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Andrew Jackson, Stephan Brandstadter, Mario Joseph Nappa
  • Publication number: 20190077733
    Abstract: Disclosed herein are methods of producing E-CF3CH?CHCF3 in a liquid phase. Also disclosed are methods of preparing CF3CH2CHClCF3 and CF3CHClCH2CCl3.
    Type: Application
    Filed: September 10, 2018
    Publication date: March 14, 2019
    Inventors: Sheng Peng, Andrew Jackson, Stephan Brandstadter, Mario Joseph Nappa
  • Patent number: 9119982
    Abstract: Compositions comprising are provided wherein RF is a fluorine containing moiety comprising (CF3)2CFCH2(CF3)CH—, (CF3)2CFCH2((CF3)2CF)CH—, (CF3)2CFCH2((CF3)2CH)CH—, (CF3)2CHCH2((CF3)2CF)CH—, ((CF3)2CFCH2)2CH—, (CF3)2CFCH2CF—, (CF3)2CF—, (CF3)2CH—, CF3—, or CnF2n+1—, n being an integer from 2 to 20; R1 is F or H; R2 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H; and R3 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H, such compositions can produced according to processes, and utilized to prevent combustion utilizing systems.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: September 1, 2015
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Vicki Hedrick, John Chien, Janet Boggs, Andrew Jackson, E. Bradley Edwards, Stephan Brandstadter
  • Patent number: 8318656
    Abstract: Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CF3 groups with reactants having cyclic groups, RF-compositions such as RF-intermediates, RF-surfactants, RF-monomers, RF-monomer units, RF-metal complexes, RF-phosphate esters, RF-glycols, RF-urethanes, and or RF-foam stabilizers. The RF portion can include at least two groups —CF3 groups, at least three —CF3 groups, and/or at least two —CF3 groups and at least two —CH2 groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the Rf-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a RF-monomer unit. Compositions are provided that include a substrate having a RF-composition thereover.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: November 27, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Vimal Sharma, E. Bradley Edwards, Vicki Hedrick, Andrew Jackson, Gregory Leman, Edward Norman, Robert Kaufman
  • Publication number: 20120175137
    Abstract: Compositions comprising are provided wherein RF is a fluorine containing moiety comprising (CF3)2CFCH2(CF3)CH—, (CF3)2CFCH2((CF3)2CF)CH—, (CF3)2CFCH2((CF3)2CH)CH—, (CF3)2CHCH2((CF3)2CF)CH—, ((CF3)2CFCH2)2CH—, (CF3)2CFCH2CF—, (CF3)2CF—, (CF3)2CH—, CF3—, or CnF2n+1—, n being an integer from 2 to 20; R1 is F or H; R2 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H; and R3 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H, such compositions can produced according to processes, and utilized to prevent combustion utilizing systems.
    Type: Application
    Filed: February 27, 2012
    Publication date: July 12, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY CHEMTURA CORPORATION
    Inventors: Vicki HEDRICK, John Chien, Janet Boggs, Andrew Jackson, E. Bradley Edwards, Stephan Brandstadter
  • Patent number: 8148584
    Abstract: Compositions comprising are provided wherein RF is a fluorine containing moiety comprising (CF3)2CFCH2(CF3)CH—, (CF3)2CFCH2((CF3)2CF)CH—, (CF3)2CFCH2((CF3)2CH)CH—, (CF3)2CHCH2((CF3)2CF)CH—, ((CF3)2CFCH2)2CH—, (CF3)2CFCH2CF—, (CF3)2CF—, (CF3)2CH—, CF3—, or CnF2n+1—, n being an integer from 2 to 20; R1 is F or H; R2 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H; and R3 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H, such compositions can produced according to processes, and utilized to prevent combustion utilizing systems.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: April 3, 2012
    Assignees: E.I. du Pont de Nemours and Company
    Inventors: Vicki Hedrick, John Chien, Janet Boggs, Andrew Jackson, E. Bradley Edwards, Stephan Brandstadter
  • Publication number: 20120071689
    Abstract: Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CF3 groups with reactants having cyclic groups, RF-compositions such as RF-intermediates, RF-surfactants, RF-monomers, RF-monomer units, RF-metal complexes, RF-phosphate esters, RF-glycols, RF-urethanes, and or RF-foam stabilizers. The RF portion can include at least two groups —CF3 groups, at least three —CF3 groups, and/or at least two —CF3 groups and at least two —CH2 groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the RF-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a RF-monomer unit. Compositions are provided that include a substrate having a RF-composition thereover.
    Type: Application
    Filed: February 10, 2011
    Publication date: March 22, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY CHEMTURA CORPORATION
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Vimal Sharma, E. Bradley Edwards, Vicki Hedrick, Andrew Jackson, Gregory Leman, Edward Norman, Robert Kaufman
  • Publication number: 20110213113
    Abstract: RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.
    Type: Application
    Filed: May 6, 2011
    Publication date: September 1, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY CHEMTURA CORPORATION
    Inventors: Andrew Jackson, Vimal Sharma, E. Bradley Edwards, Janet Boggs, Vicki Hedrick, Stephan Brandstadter, John Chien, Edward Norman, Robert Kaufman, Bruno Ameduri, George K. Kostov
  • Patent number: 7964553
    Abstract: RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: June 21, 2011
    Assignee: E. I. Dupont de Nmeours and Company
    Inventors: Andrew Jackson, Vimal Sharma, E. Bradley Edwards, Janet Boggs, Vicki Hedrick, Stephan Brandstadter, John Chien, Edward Norman, Robert Kaufman, Bruno Ameduri, George K. Kostov
  • Patent number: 7943567
    Abstract: Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CF3 groups with reactants having cyclic groups. RF-compositions such as RF-intermediates, RF-surfactants, RF-monomers, RF-monomer units, RF-metal complexes, RF-phosphate esters, RF-glycols, RF-urethanes, and/or RF-foam stabilizers. The RF portion can include at least two —CF3 groups, at least three —CF3 groups, and/or at least two —CF3 groups and at least two —CH2— groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the RF-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a RF-monomer unit. Compositions are provided that include a substrate having a RF-composition thereover.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: May 17, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Vimal Sharma, E. Bradley Edwards, Vicki Hedrick, Andrew Jackson, Gregory Leman, Edward Norman, Robert Kaufman
  • Publication number: 20090137773
    Abstract: Compositions and methods for making compositions such as RF(R?)nQ are provided. The RF group can include at least two —CF3 groups, the R? group can be a group having at least two carbons, n can be at least 1, and the Q group can include one or more atoms of the periodic table of elements. RF-intermediates (RF(RT)nQg); Surfactants (RF(RT)nQs); Foam stabilizers (RF(RT)IIQFS); Metal complexes (RF(RT)IIQMC); Phosphate ester (RF(RT)HQPE); Polymers (RF(RT)IIQMU); Monomers (RF(RT)IIQM); Urethanes (RF(R?)nQu); and/or Glycols (RF(RT)IIQH) and methods for making the same are provided.
    Type: Application
    Filed: July 28, 2006
    Publication date: May 28, 2009
    Inventors: Andrew Jackson, Vimal Sharma, Bradley E. Edwards, Janet Boggs, Victoria Hedrick, Stephan Brandstadter, John Chien, Edward Norman, Robert Kaufman, Bruno Ameduri, George K. Kostov
  • Publication number: 20080300432
    Abstract: Chemical production processes are provided that include reacting a metal comprising olefin to form a conjugated olefin; reacting a heterohalogenated olefin to form a conjugated olefin; reacting a halogenated alkane to form a conjugated olefin; and/or reacting a hydrohalogenated olefin to form a conjugated olefin. Chemical production systems are also provided that can include: a first reactant reservoir configured to house a perhalogenated olefin; a second reactant reservoir configured to house a catalyst mixture; a first reactor coupled to both the first and second reservoirs, the first reactor configured to house a metal-comprising mixture and receive both the perhalogenated olefin form the first reactant reservoir and the reactant mixture from the second reactant reservoir; and a product collection reservoir coupled to the first reactor and configured to house a conjugated olefin.
    Type: Application
    Filed: August 26, 2005
    Publication date: December 4, 2008
    Inventors: Vicki Hedrick, Stephan Brandstadter, Janet Boggs, Mitchel Cohn, Venkat Reddy Ghojala, P.V. Ramachandran
  • Publication number: 20080114194
    Abstract: Compositions are provided that can include RF(RT)nQ, and/or RCl(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant —CF3 group, n can be at least 1, the R1 group can include a carbon atom, the RCl group can be —CCl3, and the Q group can include one or more atoms of the periodic table of elements. Telomerization processes are also provided.
    Type: Application
    Filed: October 31, 2007
    Publication date: May 15, 2008
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov
  • Publication number: 20080108785
    Abstract: RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.
    Type: Application
    Filed: September 4, 2007
    Publication date: May 8, 2008
    Inventors: Andrew Jackson, Vimal Sharma, E. Edwards, Janet Boggs, Vicki Hedrick, Stephan Brandstadter, John Chien, Edward Norman, Robert Kaufman, Bruno Ameduri, George Kostov
  • Publication number: 20080076892
    Abstract: Telomer compositions are provided that can include at least one taxogen unit and a telogon unit, the taxogen unit being one or more of TFP, PFP, VDF, TFMA, PMVE, VF, TFE, CTFE, BrTFE, HFP, dichlorodifluoroethylene, chlorodifluoroethylene, bromodifluoroethylene, ethylenealkyl ether, ethylene, and propylene; the telogen unit being one or more of RFQ or RClQ, wherein the RF group can be an alkyl group having at least four fluorine atoms, the RCl group can be —CCl3, and the Q group can be H, Br, or I. Chemical production processes are also provided that can include exposing a taxogen to a telogen to form a telomer.
    Type: Application
    Filed: August 3, 2007
    Publication date: March 27, 2008
    Inventors: Bruno Ameduri, George Kostov, Stephan Brandstadter, E. Edwards
  • Publication number: 20080076948
    Abstract: Compositions are provided that can include RF(RT)nQ, formula I (I), formula II (II), and/or RCl(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant —CF3 group, n can be at least 1, the R1 group can include a carbon atom, the RCl group can be —CCI3, and the Q group can include one or more atoms of the periodic table of elements. Telomerization processes are also provided.
    Type: Application
    Filed: November 20, 2007
    Publication date: March 27, 2008
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov
  • Publication number: 20080071123
    Abstract: Compositions are provided that can include RF(RT)nQ, and/or RCl(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant —CF3 group, n can be at least 1, the R1 group can include a carbon atom, the RCl group can be —CCl3, and the Q group can include one or more atoms of the periodic table of elements. Telomerization processes are also provided.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 20, 2008
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov
  • Publication number: 20080009655
    Abstract: Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CF3 groups with reactants having cyclic groups. RF-compositions such as RF-intermediates, RF-surfactants, RF-monomers, RF-monomer units, RF-metal complexes, RF-phosphate esters, RF-glycols, RF-urethanes, and/or RF-foam stabilizers. The RF portion can include at least two —CF3 groups, at least three —CF3 groups, and/or at least two —CF3 groups and at least two —CH2— groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the RF-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a RF-monomer unit. Compositions are provided that include a substrate having a RF-composition thereover.
    Type: Application
    Filed: January 28, 2005
    Publication date: January 10, 2008
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Vimal Sharma, E. Edwards, Vicki Hedrick, Andrew Jackson, Gregory Leman, Edward Norman, Robert Kaufman
  • Publication number: 20070282115
    Abstract: Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two —CF3 groups with reactants having cyclic groups. RF-compositions such as RF-intermediates, RF-surfactants, RF-monomers, RF-monomer units, RF-metal complexes, RF-phosphate esters, RF-glycols, RF-urethanes, and/or RF-foam stabilizers. The RF portion can include at least two —CF3 groups, at least three —CF3 groups, and/or at least two —CF3 groups and at least two —CH2— groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the RF-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a RF-monomer unit. Compositions are provided that include a substrate having a RF-composition thereover.
    Type: Application
    Filed: January 28, 2005
    Publication date: December 6, 2007
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Mitchel Cohn, E. Edwards, Vicki Hedrick, Andrew Jackson, Gregory Leman, Bruno Ameduri, George Kostov
  • Publication number: 20070276167
    Abstract: Compositions are provided that can include RF(RT)nQ, formula I (I), formula II (II), and/or RCl(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant —CF3 group, n can be at least 1, the R1 group can include a carbon atom, the RCl group can be —CCI3, and the Q group can include one or more atoms of the periodic table of elements. Telomerization processes are also provided.
    Type: Application
    Filed: January 28, 2005
    Publication date: November 29, 2007
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov