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).

  • Publication number: 20070197769
    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: April 5, 2007
    Publication date: August 23, 2007
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov
  • Publication number: 20070197840
    Abstract: Compositions are provided that can include RF(RT)nQ, 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: April 5, 2007
    Publication date: August 23, 2007
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov
  • Publication number: 20070161537
    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, RFmonomers, 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: July 12, 2007
    Applicant: Great Lakes Chemical Corporation
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Vimal Sharma, Edwards Bradley, Victoria Hedrick, Andrew Jackson, Gregory Leman, Bruno Ameduri, George Kostov
  • Publication number: 20070152200
    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: November 13, 2006
    Publication date: July 5, 2007
    Inventors: Vicki Hedrick, John Chien, Janet Boggs, Andrew Jackson, E. Edwards, Stephan Brandstadter
  • Publication number: 20070149437
    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: June 28, 2007
    Inventors: Janet Boggs, Stephan Brandstadter, John Chien, Vimal Sharma, E. Bradley Edwards, Victoria Hedrick, Andrew Jackson, Gregory Leman, Edward Norman, Robert Kaufman
  • Publication number: 20070027349
    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: July 28, 2005
    Publication date: February 1, 2007
    Inventors: Stephan Brandstadter, Bruno Ameduri, George Kostov
  • Publication number: 20070025889
    Abstract: Reactors including a chamber having a mixing apparatus within the chamber are provided. Reactors are also provided that include a chamber with a separation apparatus and/or a catalyst apparatus within the chamber. Reactor assemblies are provided that can include: a base configured to define at least a portion of a reaction chamber volume, a separation apparatus within the reaction chamber volume, a catalyst apparatus within the reaction chamber volume, and a lid coupled to both the separation and catalyst apparatuses. Production processes are provided that can include combining at least two reactants within a chamber to form a gas-phase reaction mixture and mechanically mixing the mixture within the chamber to form a product.
    Type: Application
    Filed: July 28, 2005
    Publication date: February 1, 2007
    Inventors: Janet Boggs, Stephan Brandstadter, Mitchel Cohn, Stephen Owens
  • Publication number: 20050148804
    Abstract: Systems and methods for producing fluorocarbons are provided that include contacting a saturated halogenated fluorocarbon with hydrogen and catalyst to produce a saturated hydrofluorocarbon and an unsaturated fluorocarbon. Aspects of the present invention describe systems and methods for contacting saturated halogenated fluorocarbons such as CF3CClFCF3 and/or CF3CCl2CF3 with hydrogen and catalyst. Systems and methods of the present invention also describe contacting saturated halogenated fluorocarbons with catalysts having one or more of K, Zr, Na, Ni, Cu, Ni, Zn, Fe, Mn, Co, Ti, and Pd. Aspects of the present invention also describe contacting saturated halogenated fluorocarbons with hydrogen under pressure. Saturated hydroflourocarbons and unsaturated fluorocarbons produced in accordance with the systems and methods of the present invention can include one or more of CF3CFHCF3, CF3CH2CF3, CF3CHClCF3, CF3CF?CF2, CF3CH?CF2, and CF3CCl?CF2.
    Type: Application
    Filed: February 28, 2005
    Publication date: July 7, 2005
    Inventors: Vicki Hedrick, Janet Boggs, Stephan Brandstadter, Mitchel Cohn
  • Publication number: 20050038302
    Abstract: Systems and methods for producing fluorocarbons are provided that include contacting a saturated halogenated fluorocarbon with hydrogen and catalyst to produce a saturated hydrofluorocarbon and an unsaturated fluorocarbon. Aspects of the present invention describe systems and methods for contacting saturated halogenated fluorocarbons such as CF3CClFCF3 and/or CF3CCl2CF3 with hydrogen and catalyst. Systems and methods of the present invention also describe contacting saturated halogenated fluorocarbons with catalysts having one or more of K, Zr, Na, Ni, Cu, Ni, Zn, Fe, Mn, Co, Ti, and Pd. Aspects of the present invention also describe contacting saturated halogenated fluorocarbons with hydrogen under pressure. Saturated hydroflourocarbons and unsaturated fluorocarbons produced in accordance with the systems and methods of the present invention can include one or more of CF3CFHCF3, CF3CH2CF3, CF3CHClCF3, CF3CF?CF2, CF3CH?CF2, and CF3CCl?CF2.
    Type: Application
    Filed: August 13, 2003
    Publication date: February 17, 2005
    Inventors: Vicki Hedrick, Janet Boggs, Stephan Brandstadter, Mitchel Cohn
  • Patent number: 6849194
    Abstract: Highly fluorinated, saturated, and unsaturated fluoroethers are efficient, economical, non-ozone-depleting fire extinguishing agents used alone or in blends with other fire extinguishing agents in total flooding and portable systems. Methods for producing ethers, halogenated ether intermediates, and fluoroethers are disclosed. Novel fluoroether compositions are disclosed. Fluoroether extinguishing mixtures, methods, and systems are disclosed.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: February 1, 2005
    Assignee: PCBU Services, Inc.
    Inventors: Mark Robin, Thomas F. Rowland, John Chien, Janet Boggs, Mitchel Cohn, Vicki Hedrick, Stephan Brandstadter
  • Publication number: 20030209685
    Abstract: Highly fluorinated, saturated, and unsaturated fluoroethers are efficient, economical, non-ozone-depleting fire extinguishing agents used alone or in blends with other fire extinguishing agents in total flooding and portable systems. Methods for producing ethers, halogenated ether intermediates, and fluoroethers are disclosed. Novel fluoroether compositions are disclosed. Fluoroether extinguishing mixtures, methods, and systems are disclosed.
    Type: Application
    Filed: May 12, 2003
    Publication date: November 13, 2003
    Inventors: Mark Robin, Thomas F. Rowland, John Chien, Janet Boggs, Mitchel Cohn, Vicki Hedrick, Stephan Brandstadter