Patents by Inventor Peter William de Oliveira

Peter William de Oliveira 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: 11499264
    Abstract: A method for the production of conductive structures, wherein nanofibers are applied with a photocatalytic component onto a substrate, in particular by electrospinning, and wherein a metallic layer is deposited photolytically on the substrate.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: November 15, 2022
    Assignee: Leibniz-Institut für Neue Materialien gemeinnützige GmbH
    Inventors: Peter William de Oliveira, Jennifer S. Atchison
  • Patent number: 11248092
    Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 15, 2022
    Assignee: UNIVERSITAET DES SAARLANDES
    Inventors: Budiman Ali, Carsten Becker-Willinger, Gisela Heppe, Nina Mueller, Peter-William De Oliveira, Gerhard Wenz, Gergely Kali, Harley Eisenbarth, Devid Hero, David Hafner, Jessica Hilschmann
  • Patent number: 11130114
    Abstract: A process for producing doped nanoparticles, in particular for N-doped nanoparticles, includes a hydrothermal process using an organic nitrogen-containing compound or a mineral acid having at least one nitrogen atom. In particular, the photocatalytically active particles produced are characterized by a particularly high activity even in visible light.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 28, 2021
    Assignee: Leibniz-Institut für Neue Materialien gemeinnützige GmbH
    Inventors: Nina Müller, Peter Rogin, Peter William de Oliveira, Thomas Müller
  • Publication number: 20210078872
    Abstract: A method for producing conductive materials from Nb-doped TiO2-particles, in which Nb-doped TiO2-particles are pressed to form bodies and the bodies are treated in an oxygen-containing atmosphere and at a reducing atmosphere.
    Type: Application
    Filed: December 3, 2018
    Publication date: March 18, 2021
    Inventors: Peter William DE OLIVEIRA, Jana STAUDT
  • Patent number: 10941035
    Abstract: A process for producing a structured surface, in which a composition comprising nanowires is applied to a surface and structured, especially by partial displacement of the composition. When the solvent is removed, the nanowires aggregate to form structures. These may be transparent and also conductive.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: March 9, 2021
    Assignee: Leibniz-Institut für Neue Materialien gemeinnützige GmbH
    Inventors: Johannes H. M. Maurer, Tobias Kraus, Lola González-García, Beate Reiser, Ioannis Kanelidis, Peter William de Oliveira, Jenny Kampka, Karsten Moh
  • Patent number: 10822697
    Abstract: A method for producing metal structures includes an initiator composition comprising a photocatalytic substance being applied to a substrate. A precursor composition that can be reduced to a metal by the photocatalytic activity of the nanodusts is applied to the layer. A structure template is then applied, partially displacing the precursor composition, and then the substrate is illuminated. Structured metal structures are thus generated.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: November 3, 2020
    Assignee: Leibniz-Institut Fuer Neue Materialien gemeinnuetzige GmbH
    Inventors: Peter William de Oliveira, Karsten Moh, Eduard Arzt
  • Publication number: 20190381482
    Abstract: A process for producing doped nanoparticles, in particular for N-doped nanoparticles, includes a hydrothermal process using an organic nitrogen-containing compound or a mineral acid having at least one nitrogen atom. In particular, the photocatalytically active particles produced are characterized by a particularly high activity even in visible light.
    Type: Application
    Filed: December 7, 2017
    Publication date: December 19, 2019
    Inventors: Nina Müller, Peter Rogin, Peter William de Oliveira, Thomas Müller
  • Publication number: 20190322814
    Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 24, 2019
    Inventors: Budiman ALI, Carsten BECKER-WILLINGER, Gisela HEPPE, Nina MUELLER, Peter-William DE OLIVEIRA, Gerhard WENZ, Gergely KALI, Harley EISENBARTH, Devid HERO, David HAFNER, Jessica HILSCHMANN
  • Patent number: 10323324
    Abstract: A method for producing patterned metallic coatings includes an initiator composition having at least one active substance being added to a substrate. A precursor composition including at least one precursor compound for a metallic layer is applied to the initiator composition coating. A metallic layer is then deposited by the active substance. At least one composition is applied as an emulsion in order to obtain a patterning of the resultant metallic layer.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: June 18, 2019
    Assignee: Leibniz-Institut fuer Neue Materialien gemeinnuetzige GmbH
    Inventors: Peter William de Oliveira, Tobias Dörr, Karsten Moh
  • Publication number: 20180320308
    Abstract: A method for the production of conductive structures, wherein nanofibers are applied with a photocatalytic component onto a substrate, in particular by electrospinning, and wherein a metallic layer is deposited photolytically on the substrate.
    Type: Application
    Filed: December 22, 2016
    Publication date: November 8, 2018
    Applicant: Leibniz-Institut für Neue Materialien gemeinnützige GmbH
    Inventors: Peter William de Oliveira, Jennifer S. Atchison
  • Publication number: 20180251370
    Abstract: A process for producing a structured surface, in which a composition comprising nanowires is applied to a surface and structured, especially by partial displacement of the composition. When the solvent is removed, the nanowires aggregate to form structures. These may be transparent and also conductive.
    Type: Application
    Filed: September 2, 2016
    Publication date: September 6, 2018
    Applicant: Leibniz-Institut für Neue Materialien gemeinnützige GmbH
    Inventors: Johannes H.M. MAURER, Tobias KRAUS, Lola GONZÁLEZ-GARCÍA, Beate REISER, Ioannis KANELIDIS, Peter William DE OLIVEIRA, Jenny KAMPKA, Karsten MOH
  • Patent number: 10005103
    Abstract: A method for producing finely structured surfaces, in particular in plastics, includes a) applying at least one coating compound on at least one substrate; b) forming a fine structure by a die, which has the negative of a fine structure, c) curing the resultant finely structured coating compound, obtaining a substantially cured coating; and d) separating the finely structured coating from the die, wherein steps d) and c) can also be carried out in the reverse order.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: June 26, 2018
    Assignee: Leibniz-Institut fuer Neue Materialien gemeinnuetzige GmbH
    Inventors: Eduard Arzt, Elmar Kroner, Peter William de Oliveira, Ebru Devrim Sam, Florian Buesch, Dieter Urban, Reinhold Schwalm, Benedikt Blaesi, Michael Nitsche, Hannes Spiecker, Claas Mueller
  • Publication number: 20160305016
    Abstract: A method for producing patterned metallic coatings, includes an initiator composition having at least one active substance being added to a substrate. A precursor composition including at least one precursor compound for a metallic layer is applied to the initiator composition coating. A metallic layer is then deposited by the active substance. At least one composition is applied as an emulsion in order to obtain a patterning of the resultant metallic layer.
    Type: Application
    Filed: December 4, 2014
    Publication date: October 20, 2016
    Applicant: Leibniz-Institut für Neue Materialien gemeinnützige GmbH
    Inventors: Peter William de Oliveira, Tobias Dörr, Karsten Moh
  • Patent number: 9399206
    Abstract: A process for producing encapsulated metal colloids useful as inorganic colored pigments, including, reacting one or more glass-forming components according to the sol-gel process to obtain a sol dispersing a metal salt in the resulting sol in the presence of an additional reducing agent to form metal colloids, converting the resulting dispersion into xerogel-encapsulated metal colloids by spray drying, heating the resulting xerogel-encapsulated metal colloids to density them. The present invention relates, furthermore, to inorganic colored pigments, in particular producible by the process of the invention, including metal colloids produced from metal salts and encapsulated in an encapsulation, the encapsulation being produced from glass-forming components according to the sol-gel process and being densified to a xerogel or glass, the proportion of metal colloid in the capsules being at least 80%.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 26, 2016
    Assignee: TOYOTA MOTOR CORPORATION
    Inventors: Claudia Fink-Straube, Kira Fries, Martin Mennig, Dieter Anschutz, Sarah Schumacher, Peter William De Oliveira, Masahiko Ishii, Wataru Murata, Veronique Vandenberghe
  • Patent number: 9126848
    Abstract: A method for producing nanoscale particles by means of ionic liquids produces highly crystalline particles. The ionic liquids can be easily regenerated.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: September 8, 2015
    Assignee: Leibniz-Insitut fuer Neue Materialien gemeinnuetzige GmbH
    Inventors: Peter William de Oliveira, Hechun Lin, Michael Veith
  • Patent number: 9063280
    Abstract: A method for producing coatings having anti-reflection properties uses a compound comprising at least one type of nanoparticle and at least one solvent. The compound is applied to a substrate and treated at various temperatures. Anti-reflection coatings can be obtained on temperature-sensitive materials such as PMMA or PET.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: June 23, 2015
    Assignee: Leibniz-Institut fuer Neue Materialien gemeinnuetzige GmbH
    Inventors: Peter William de Oliveira, Mohammad Jilavi, Sakthivel Shanmugasundaram, Michael Veith
  • Patent number: 9052588
    Abstract: A composition for producing optical elements has a gradient structure, particularly for holographic applications, wherein the gradient structure is formed by a refractivity gradient. The composition is produced from a polymer and a light- and/or temperature-sensitive metal complex and the light- and/or temperature-sensitive metal complex is decomposed upon changing the local refractivity. The result is the formation of a refractivity gradient.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: June 9, 2015
    Assignee: Leibniz-Institut fuer Neue Marterialien gemeinnuetzige GmbH
    Inventors: Peter William de Oliveira, Peter Koenig, Michael Veith, Omid Yazdani-Assl
  • Patent number: 9051470
    Abstract: A method for producing thin films, particularly for coating surfaces includes a) adding surface-active substances to flowable compositions comprising nanoscale inorganic particulate solids having polymerizable and/or polycondensable organic surface groups; b) forming one or more thin films stabilized by the accumulation of the surface-active substances at the interface(s), the forming of one or more thin films taking place through the generation of bubbles, foam, through the formation of minimal surfaces and/or through the wetting of surfaces; and c) solidifying the films by polymerization and/or polycondensation.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: June 9, 2015
    Assignee: Leibniz-Institut fuer Neue Materialien gemeinnuetzige GmbH
    Inventors: Peter William de Oliveira, Michael Veith
  • Patent number: 9040154
    Abstract: Magnetic composite particles can be used as proppants and allow for deliberate heating by applying an alternating magnetic field.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 26, 2015
    Assignee: Neotechnology LLC
    Inventors: Peter Rogin, Peter William de Oliveira, Christian Wühr, Michael Veith, Douglas Espin
  • Publication number: 20140335366
    Abstract: An anti-reflective coating is obtained from a composition of at least one silane compound, at least one metal compound and at least one organic compound having at least two functional groups which can form a coordination polymer.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 13, 2014
    Inventors: Peter William de Oliveira, Elisabete Henriquetta Soares de Carvalho Menezes, Mohammad Hossein Jilavi, Peter Koenig