Patents by Inventor Rudolf J. Dams

Rudolf J. Dams 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: 20110247823
    Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound. The fluoropolyether compound: is represented by formula Rf—[C(0)—NR1—X?—(Z)m]n; or comprises at least one first divalent unit represented by formula (I) and, at least one of, a second divalent unit comprising a pendant Z group; or a monovalent unit comprising a thioether linkage and at least one terminal Z group. Each Rf is independently a fluoropolyether group. Rf is a monovalent or divalent fluoropolyether group, and each Z group is independently —P(O)(OY)2 or —O—P(O)(OY)2. Hydrocarbon-bearing formations treated according to this method are also disclosed.
    Type: Application
    Filed: December 14, 2009
    Publication date: October 13, 2011
    Inventors: Rudolf J. Dams, Jimmier R. Baran, JR., Yong K. Wu
  • Publication number: 20110247822
    Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound, wherein the fluoropolyether compound comprises at least one first divalent unit represented by formula: Each Rf is independently selected from the group consisting of Rfa—(O)t—CHL?-(CF2)n—; [Rfa—(O)t—C(L)H—CF2)—O]m—W—; Rfb—O—(CF2)p-; F(CkF2k)—(O—CkF2K(p—O—CF2—; and CF3—O—(CF2)3—OCF(CF3)—CF2)z—O-L1-. Treated hydrocarbon-bearing formations are also disclosed.
    Type: Application
    Filed: December 17, 2009
    Publication date: October 13, 2011
    Inventor: Rudolf J. Dams
  • Publication number: 20110232530
    Abstract: Compounds comprising end groups represented by formula (Rf-Q)a-X-(A-)b and compounds comprising the reaction product of components comprising a multifunctional isocyanate compound and a fluorinated compound represented by formula (Rf-Q)a-X—(Z)b. Each Rf is independently a partially fluorinated or fully fluorinated group selected from RfA(O)2CHL?-(CF2)n—; [RfB—(O)1—C(L)H—CF2—O]m—W—; CF3CFH—O—(CF2)p—; CF3—(O—CF2)Z—; and CF3—O—(CF2)3—O—CF—. Methods of making an article having a surface using the fluorinated compounds and treated articles are also disclosed.
    Type: Application
    Filed: November 23, 2009
    Publication date: September 29, 2011
    Inventors: Rudolf J. Dams, Miguel A. Guerra, Klaus Hintzer, Michael Jurgens, Harald Kaspar, Kai Helmut Lochhaas, Andreas R. Maurer, Zai-Ming Qiu, Werner Schwertfeger, Tilman C. Zipplies
  • Publication number: 20110201531
    Abstract: A method of treating a hydrocarbon-bearing formation with a fluorinated epoxide and a treated hydrocarbon-bearing formation. A method of making proppants is also disclosed, which includes combining a plurality of particles with a fluorinated epoxide. The particles comprise at least one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood. A particle treated with a ring-opened product of a fluorinated epoxide is also disclosed, wherein the particle comprises one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood.
    Type: Application
    Filed: May 20, 2009
    Publication date: August 18, 2011
    Applicants: Board of Regents, The University of Texas System, 3M Innovative Properties Company
    Inventors: Mukul M. Sharma, Gary A. Pope, Steven J. Martin, Rudolf J. Dams, Xai-Ming Qui
  • Patent number: 7998585
    Abstract: The invention relates to a dilutable, non-aqueous concentrate and an aqueous dilution used for aqueous delivery of fluorinated oligomeric silanes to a substrate, a method of treating a substrate with the aqueous dilution composition to render it oil and water repellent, and articles having coatings made from the aqueous dilution.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: August 16, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Mark J. Pellerite, Steven J. Martin, Michael S. Terrazas
  • Publication number: 20110189404
    Abstract: There is provided a method of treatment including (i) applying a treatment composition to at least a portion of the surface of a wheel rim and (ii) allowing a thus applied treatment composition to cure. There is also provided compounds and compositions useful in the method.
    Type: Application
    Filed: September 23, 2009
    Publication date: August 4, 2011
    Inventors: Rudolf J. Dams, Bernd Kuehneweg, Leonardus Doelen, Frank Koehler, Christoph Furtak, Frans A. Audenaert
  • Publication number: 20110124782
    Abstract: Compounds represented by formula (Rf-Q-X)s—Z. Each Rf is independently a partially fluorinated or fully fluorinated group selected from Rfa-(O)r—CHF—(CF2)n—; [Rfb-(O)tC(L)H—CF2—O]m—W—; CF3CFH—O—(CF2)p—; CF3—(O—CF2)z—; and CF3—O—(CF2)3—O—CF2—. Methods of reducing surface tension of a liquid, making foams, and treating a surface using the compounds are also disclosed.
    Type: Application
    Filed: July 15, 2009
    Publication date: May 26, 2011
    Inventors: Rudolf J. Dams, Michael S. Terrazas, Klaus Hintzer, Zai-Ming Qiu, Miguel A. Guerra, Andreas R. Maurer, Harald Kaspar, Kai H. Lochhaas, Michael Juergens, Tilman C. Zipplies, Werner Schwertfeger
  • Publication number: 20110124532
    Abstract: Fluorinated compounds represented by formula Rf-Q-X—[Si(R)f(R1)3-f]g. Each Rf is independently a partially fluorinated or fully fluorinated group selected from Rfa-(O)r-CHF—(CF2)n-; [Rfb-(O)t-C(L)H—CF2—O]m-W—; CF3CFH—O—(CF2)p-; CF3—(O—CF2)z-; and CF3—O—(CF2)3—O—CF2—. Methods of treating a surface or a hydrocarbon-bearing formation using the fluorinated compounds and treated articles and treated hydrocarbon-bearing formations are also disclosed.
    Type: Application
    Filed: July 16, 2009
    Publication date: May 26, 2011
    Inventors: Andreas R. Maurer, Harald Kaspar, Kai H. Lochhaas, Michael Juergens, Michael S. Terrazas, Miguel A. Guerra, Rudolf J. Dams, Tilman C. Zipplies, Zai-Ming Qiu, Klaus Hintzer, Werner Schwertfeger
  • Publication number: 20110045271
    Abstract: A polymer is provided comprising a first pendant group selected from at least one of a perfluorinated ether group or a perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive siliconcontaining group. A composition comprising the polymer is provided. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate.
    Type: Application
    Filed: November 26, 2008
    Publication date: February 24, 2011
    Inventors: Rudolf J. Dams, Suresh S. Iyer, Chetan P. Jariwala, Thomas P. Klun, Inge Nuyts
  • Publication number: 20110045270
    Abstract: A composition comprises a polymer having a first pendant group selected from at least one perfluorinated ether group or perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive silicon-containing group. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate.
    Type: Application
    Filed: November 26, 2008
    Publication date: February 24, 2011
    Inventors: Rudolf J. Dams, Thomas P. Klun, Inge Nuyts
  • Publication number: 20100316868
    Abstract: A method of forming an easy-to-clean metal or metallized substrate, the method comprising forming a layer comprising silicon, oxygen, and hydrogen on at least a portion of a surface of the substrate by plasma deposition; and applying an at least partially fluorinated composition comprising at least one silane group to at least a portion of a surface of the layer comprising the silicon, oxygen, and hydrogen; and an easy-to-clean article made by the method are disclosed.
    Type: Application
    Filed: October 18, 2007
    Publication date: December 16, 2010
    Inventors: Moses M. David, Steven J. Martin, Rudolf J. Dams, Wayne W. Fan
  • Publication number: 20100288498
    Abstract: Fluorinated polymers having first divalent units represented by formula, and a plurality of groups of formula —CH2—CH2—O—. Compositions containing the fluorinated polymer and solvent, and methods of treating hydrocarbon-bearing formations using these compositions are disclosed. A method of making a composition containing the fluorinated polymer is also disclosed.
    Type: Application
    Filed: December 18, 2008
    Publication date: November 18, 2010
    Inventors: George G.I. Moore, Rudolf J. Dams, Jimmie R. Baran, JR.
  • Publication number: 20100270020
    Abstract: Methods of treating a hydrocarbon-bearing formation having brine and liquid hydrocarbons and treated hydrocarbon-bearing formations. The methods include contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated anionic surfactant. In some embodiments, the solvent solubilizes the brine in the hydrocarbon-bearing formation without causing the fluorinated anionic surfactant to precipitate. In some embodiments, the solvent includes at least one of a polyol or polyol ether independently having from 2 to 25 carbon atoms and at least one of water, a monohydroxy alcohol, an ether, or a ketone, wherein the monohydroxy alcohol, the ether, and the ketone each independently have up to 4 carbon atoms.
    Type: Application
    Filed: December 18, 2008
    Publication date: October 28, 2010
    Inventors: Jimmie R. Baran, Jr., Michael S. Terrazas, Rudolf J. Dams
  • Publication number: 20100270021
    Abstract: A method of treating a hydrocarbon-bearing formation and treated hydrocarbon-bearing formations. The method includes contacting the hydrocarbon-bearing formation with a composition having solvent and a fluorinated polymer. The fluorinated polymer has units having formula (I): A method for making a composition containing these units is also disclosed.
    Type: Application
    Filed: December 18, 2008
    Publication date: October 28, 2010
    Inventors: Jimmie R. Baran, JR., Michael S. Terrazas, Rudolf J. Dams, George G.I. Moore
  • Publication number: 20100263667
    Abstract: A medicinal inhalation device having applied to a surface thereof a composition comprising a multifunctional polyfluoropolyether silane.
    Type: Application
    Filed: November 6, 2008
    Publication date: October 21, 2010
    Inventors: Philip A. Jinks, Rudolf J. Dams
  • Publication number: 20100258119
    Abstract: A medicinal inhalation device having applied to surface thereof a composition comprising a monofunctional polyfluoropolyether silane and a non-fluorinated cross-linking agent.
    Type: Application
    Filed: November 6, 2008
    Publication date: October 14, 2010
    Inventor: Rudolf J. Dams
  • Publication number: 20100247932
    Abstract: A medicinal inhalation device having a non-metal coating applied by plasma deposition under ion bombardment conditions.
    Type: Application
    Filed: November 6, 2008
    Publication date: September 30, 2010
    Inventors: Philip A. Jinks, Moses M. David, Rudolf J. Dams
  • Publication number: 20100242958
    Abstract: A medicinal inhalation device having a non-metal coating coated on at least a portion thereof, and onto which non-metal coating an at least partially fluorinated compound is then covalently bonded.
    Type: Application
    Filed: November 6, 2008
    Publication date: September 30, 2010
    Applicant: 3M Innovative Properties Company
    Inventors: Philip A. Jinks, Moses M. David, Rudolf J. Dams
  • Patent number: 7803894
    Abstract: Described are coating compositions for treating substrates such as hard and soft surfaces to render the surfaces oil and water repellent, as well as stain and dirt resistant. The compositions described include three component systems in an organic solvent, where the components include a hydrolyzable perfluoropolyetherisocyanate derived silane, and to non-fluorinated components such as alkoxy silanes, one optionally containing a reactive functional group.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: September 28, 2010
    Assignee: 3M Innovatie Properties Company
    Inventors: Rudolf J. Dams, Steven J. Martin
  • Publication number: 20100233492
    Abstract: The invention relates to a dilutable, non-aqueous concentrate and an aqueous dilution used for aqueous delivery of fluorinated oligomeric silanes to a substrate, a method of treating a substrate with the aqueous dilution composition to render it oil and water repellent, and articles having coatings made from the aqueous dilution.
    Type: Application
    Filed: May 21, 2010
    Publication date: September 16, 2010
    Inventors: Rudolf J. Dams, Mark J. Pellerite, Steven J. Martin, Michael S. Terrazas