Patents by Inventor Michael C. Dadalas

Michael C. Dadalas 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: 20220219357
    Abstract: The present disclosure relates to a film usable for roll-to-roll processing of flexible electronic devices, the film comprising a composite material comprising a polymer and hexagonal boron nitride particles, wherein the hexagonal boron nitride particles comprise platelet-shaped hexagonal boron nitride particles. The present disclosure further relates to a process for producing said film, and to the use of said film.
    Type: Application
    Filed: April 30, 2020
    Publication date: July 14, 2022
    Inventors: Bernd Ruisinger, Armin Kayser, Mark W. Muggli, Michael C. Dadalas, Robert Veenendaal, Johanna Zimmermann-Ptacek
  • Patent number: 11193037
    Abstract: An aqueous dispersion comprising a tetrafluoroethylene core-shell polymer and at least one surfactant corresponding to the general formula R10-[CH2CH20]n[R20]m-R3 wherein R1 represents a linear or branched aliphatic hydrocarbon group having at least 8 carbon atoms, preferably 8 to 18 carbon atoms, R2 represents an alkylene having 3 carbon atoms, R3 represents hydrogen, a C1-C3 alkyl group, or a C1-C3 hydroxyalkyl group, n has a value of 0 to 40, m has a value of 0 to 40 and the sum of n+m is at least 2, wherein the dispersion is free of fluorinated emulsifiers or contains them in an amount of less than 50 ppm based on the weight of the dispersion and wherein the core-shell polymer contains an outer shell of tetrafluoroethylene homopolymer. Further provided are methods of making the dispersions, coating compositions comprising the dispersions and article coated by the coating composition.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: December 7, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael C. Dadalas, Klaus Hintzer, Arnd Kurz, Tilman C. Zipplies, Kai Helmut Lochhaas
  • Publication number: 20210155790
    Abstract: A tetrafluoroethene copolymer having a melting point of from about 240° C. to 325° C., a melt flow index (MFI at 372° C. and 5 kg load) of 0.5-80 grams/10 minutes and having at least 70% by weight of units derived from tetrafluoroethene and further comprising units derived from at least one perfluorinated alkyl allyl ether (PAAE) comonomer corresponding to the general formula: CF2?CF—CF2—O—Rf (I) where Rf is a perfluorinated alkyl residue having from 1 to 10 carbon atoms and wherein the alkyl chain of the residue may be interrupted once or more than once by an oxygen atom and further, optionally, comprising units derived from perfluoromethyl vinyl ether (PMVE), perfluoroethyl vinyl ether (PEVE) and a combination thereof and wherein the content of units CA derived PAAEs and, optionally, PMVE, PEVE or a combination thereof, is at least 1.0% by weight.
    Type: Application
    Filed: February 15, 2019
    Publication date: May 27, 2021
    Inventors: Klaus Hintzer, Harald Kaspar, Jens Schrooten, Tilman C. Zipplies, Florian Jochum, Michael C. Dadalas, Tatsuo Fukushi, Naiyong Jing, Karl D. Weilandt
  • Publication number: 20210108063
    Abstract: Described herein is an aqueous polymer dispersion comprising: (a) an ethylene-tetrafluoroethylene copolymer (b) 1-25 wt % of a non-ionic, branched, alkoxy alcohol surfactant versus the ethylene-tetrafluoroethylene copolymer, and (c) 0.05-5 wt % non-fluorinated anionic surfactant versus the ethylene-tetrafluoroethylene copolymer. Such aqueous polymer dispersion may be used to coat a fiber-containing substrate.
    Type: Application
    Filed: November 21, 2017
    Publication date: April 15, 2021
    Inventors: Michael C. Dadalas, Klaus Hintzer, Per M. Nelson
  • Patent number: 10947378
    Abstract: A fluoropolymer composition particles comprising electro-active material, wherein the electro-active material comprises graphite and metal compounds and combinations thereof. The compositions also comprise water and an organic liquid having a boiling point between 70 C and 200 C. Also provided are methods of making a paste and methods of making electrodes and electrodes made with the paste.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: March 16, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Klaus Hintzer, Michael C. Dadalas
  • Patent number: 10676591
    Abstract: A composition of solid particles comprising substantially inorganic, electronically conductive particles and fluoropolymer particles, wherein the fluoropolymer is melt-processable and has a melting point between 100° C. and 325° C. and a melt flow index at 372° C. and at 5 kg load (MFI 372/5) of at least 0.1 and up to 100 g/10 min, and wherein the fluoropolymer particles have a particle size of less than 500 nm and wherein the particles comprising the substantially inorganic, electronically conductive material is present in the form of particles having a particle size of less than 15,000 ?m, and methods for producing such compositions and articles containing such compositions.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: June 9, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael H. Mitchell, Tatsuo Fukushi, Muhammad Z. Nawaz, Michael C. Dadalas, Klaus Hintzer, Tilman C. Zipplies, Denis Duchesne
  • Publication number: 20200122193
    Abstract: Described herein is a process for making a multilayer article comprising forming a first fluoropolymer layer in the absence of liquids by delivering particles from at least one gaseous fluid jet to a metal surface to impregnate the metal surface with a fluoropolymer to form a first fluoropolymer layer, wherein the particles comprise an abrasive particle, a binder, and a first fluoropolymer; coating the first fluoropolymer layer with a second fluoropolymer to form a second fluoropolymer layer and thereby forming a multilayered article; and sintering the multilayered article to form the release surface coated substrate.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 23, 2020
    Inventors: Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
  • Patent number: 10479067
    Abstract: Described herein is multilayer article made by the process comprising: delivering particles comprising a silicon compound from at least one fluid jet to a metal surface to embed the metal surface with the silicon compound to form a silicon compound layer; coating the silicon compound layer with an aqueous fluoropolymer dispersion to form a fluoropolymer layer and thereby forming a multilayered article, wherein the aqueous fluoropolymer dispersion comprises (i) a modifying agent; and (ii) a fluorinated polymer, wherein the fluorinated polymer comprises at least one of (a) a partially fluorinated polymer capable of forming a carbon-carbon double bond, (b) a functionalized fluorinated polymer, and (c) combinations thereof; and sintering the multilayered article to form the release surface coated substrate.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: November 19, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Peter Bissinger, Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
  • Publication number: 20190344496
    Abstract: The method of making a three-dimensional article includes heating a composition comprising a fluoropolymer and inorganic filler, extruding the composition in molten form from an extrusion head to provide at least a portion of a first layer of the three-dimensional article, and extruding at least a second layer of the composition in molten form from the extrusion head onto at least the portion of the first layer to make at least a portion of the three-dimensional article. Three-dimensional articles are also described. A composition including a fluoropolymer and inorganic fillers is also described. The composition may be a filament. The composition can be useful, for example, in melt extrusion additive manufacturing. The fluoropolymer is semi-crystalline with a melting point of up to 325° C. and less than 50 percent by weight interpolymerized units of vinylidene fluoride or amorphous with a glass transition temperature of up to 280° C.
    Type: Application
    Filed: December 19, 2017
    Publication date: November 14, 2019
    Inventors: Jeffrey N. Bartow, Michael C. Dadalas, Carsten Franke, Bernd Gangnus, Andreas M. Geldmacher, Gabriele H. Gottschalk-Gaudig, Klaus Hintzer, Malte Korten, Per M. Nelson, Gallus Schechner, Sebastian F. Zehentmaier, Fee Zentis
  • Publication number: 20190329491
    Abstract: The method of making a three-dimensional article includes heating a composition comprising a polymer and hollow ceramic microspheres, extruding the composition in molten form from an extrusion head to provide at least a portion of a first layer of the three-dimensional article, and extruding at least a second layer of the composition in molten form from the extrusion head onto at least the portion of the first layer to make at least a portion of the three-dimensional article. Three-dimensional articles are also described. A composition including a polymer and hollow ceramic microspheres is also described. The composition may be a filament. The polymer is at least one of a low-surface-energy polymer or polyolefin. The composition can be useful, for example, in melt extrusion additive manufacturing, for example, fused filament fabrication.
    Type: Application
    Filed: November 17, 2017
    Publication date: October 31, 2019
    Inventors: Phillip P. Yu, Stephen E. Amos, Mark J. Williams, Andrea C. Charif Rodriguez, Troy K. Ista, Joseph C. Dingeldein, Adam C. Schendel, Jeffrey N. Bartow, Michael C. Dadalas, Carsten Franke, Gabriele H. Gottschalk-Gaudig, Klaus Hintzer, Malte Korten, Gallus Schechner, Sebastian F. Zehentmaier, Fee Zentis
  • Publication number: 20190077950
    Abstract: A fluoropolymer composition particles comprising electro-active material, wherein the electro-active material comprises graphite and metal compounds and combinations thereof. The compositions also comprise water and an organic liquid having a boiling point between 70 C and 200 C. Also provided are methods of making a paste and methods of making electrodes and electrodes made with the paste.
    Type: Application
    Filed: March 14, 2017
    Publication date: March 14, 2019
    Inventors: Klaus Hintzer, Michael C. Dadalas
  • Publication number: 20180371121
    Abstract: Aqueous fluoropolymer dispersions are described, along with coatings obtained with the dispersions, and methods of making coatings and dispersions.
    Type: Application
    Filed: June 23, 2017
    Publication date: December 27, 2018
    Inventors: Klaus Hintzer, Tilman C. Zipplies, Michael C. Dadalas
  • Publication number: 20180362727
    Abstract: A composition of solid particles comprising substantially inorganic, electronically conductive particles and fluoropolymer particles, wherein the fluoropolymer is melt-processable and has a melting point between 100° C. and 325° C. and a melt flow index at 372° C. and at 5 kg load (MFI 372/5) of at least 0.1 and up to 100 g/10 min, and wherein the fluoropolymer particles have a particle size of less than 500 nm and wherein the particles comprising the substantially inorganic, electronically conductive material is present in the form of particles having a particle size of less than 15,000 ?m, and methods for producing such compositions and articles containing such compositions.
    Type: Application
    Filed: October 21, 2016
    Publication date: December 20, 2018
    Inventors: Michael H. Mitchell, Tatsuo Fukushi, Muhammad Z. Nawaz, Michael C. Dadalas, Klaus Hintzer, Tilman C. Zipplies, Denis Duchesne
  • Patent number: 10093820
    Abstract: Provided are processes for upconcentrating fluoropolymer dispersions. Also provided are upconcentrated dispersions and substrates coated with such dispersions.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: October 9, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Tilman C. Zipples, Arne Thaler, Egon Obermaier, Klaus Hintzer, Michael C. Dadalas
  • Publication number: 20180257361
    Abstract: Described herein is multilayer article made by the process comprising: delivering particles comprising a silicon compound from at least one fluid jet to a metal surface to embed the metal surface with the silicon compound to form a silicon compound layer; coating the silicon compound layer with an aqueous fluoropolymer dispersion to form a fluoropolymer layer and thereby forming a multilayered article, wherein the aqueous fluoropolymer dispersion comprises (i) a modifying agent; and (ii) a fluorinated polymer, wherein the fluorinated polymer comprises at least one of (a) a partially fluorinated polymer capable of forming a carbon-carbon double bond, (b) a functionalized fluorinated polymer, and (c) combinations thereof; and sintering the multilayered article to form the release surface coated substrate.
    Type: Application
    Filed: April 1, 2016
    Publication date: September 13, 2018
    Inventors: Peter Bissinger, Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
  • Publication number: 20180250708
    Abstract: Described herein is multilayer article and methods of making thereof, wherein the multilayer article comprises: (a) metal substrate; (b) a first fluoropolymer layer having a thickness no more than 10 micrometers, wherein the first fluoropolymer layer consists essentially of a fluoropolymer comprising reactive groups, wherein when the fluoropolymer is a melt-processible fluoropolymer it comprises at least 30 reactive groups per 1,000,000 carbon atoms and when the fluoropolymer is a non-melt processible fluoropolymer it comprises more than 5 reactive groups per 1,000,000 carbon atoms; and (c) a second fluoropolymer layer having a thickness of about 10 to 1000 micrometers, wherein the first fluoropolymer layer is in contact with both the metal substrate and the second fluoropolymer layer.
    Type: Application
    Filed: April 1, 2016
    Publication date: September 6, 2018
    Inventors: Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
  • Publication number: 20180250707
    Abstract: Described herein is multilayer article made by the process comprising: delivering particles from at least one fluid jet to a metal surface to impregnate the metal surface with a fluoropolymer to form a first fluoropolymer layer, wherein the particles comprise an abrasive particle, a binder, and a first fluoropolymer; coating the first fluoropolymer layer with a second fluoropolymer to form a second fluoropolymer layer and thereby forming a multilayered article; and sintering the multilayered article to form the release surface coated substrate.
    Type: Application
    Filed: April 1, 2016
    Publication date: September 6, 2018
    Inventors: Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
  • Patent number: 9969848
    Abstract: Provided are aqueous fluoropolymer dispersions containing at least one tetrafluoroethene homopolymer or tetrafluoroethene copolymer and at least one non-aromatic polyhydroxy surfactant. The dispersions contain from 0 to 100 ppm based on the total weight of the dispersion of fluorinated surfactants. Also provided are methods of coating using the dispersions and substrate coated with the dispersions.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: May 15, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Tilman C. Zipplies, Klaus Hintzer, Peter Bissinger, Michael C. Dadalas
  • Publication number: 20160347966
    Abstract: An aqueous dispersion comprising a tetrafluoroethylene core-shell polymer and at least one surfactant corresponding to the general formula R10-[CH2CH20]n[R20]m-R3 wherein R1 represents a linear or branched aliphatic hydrocarbon group having at least 8 carbon atoms, preferably 8 to 18 carbon atoms, R2 represents an alkylene having 3 carbon atoms, R3 represents hydrogen, a C1-C3 alkyl group, or a C1-C3 hydroxyalkyl group, n has a value of 0 to 40, m has a value of 0 to 40 and the sum of n+m is at least 2, wherein the dispersion is free of fluorinated emulsifiers or contains them in an amount of less than 50 ppm based on the weight of the dispersion and wherein the core-shell polymer contains an outer shell of tetrafluoroethylene homopolymer. Further provided are methods of making the dispersions, coating compositions comprising the dispersions and article coated by the coating composition.
    Type: Application
    Filed: January 29, 2015
    Publication date: December 1, 2016
    Inventors: Michael C. Dadalas, Klaus Hintzer, Arnd Kurz, Tilman C. Zipplies, Kai Helmut Lochhaas
  • Publication number: 20160130409
    Abstract: Provided are aqueous fluoropolymer dispersions containing at least one tetrafluoroethene homopolymer or tetrafluoroethene copolymer and at least one non-aromatic polyhydroxy surfactant. The dispersions contain from 0 to 100 ppm based on the total weight of the dispersion of fluorinated surfactants. Also provided are methods of coating using the dispersions and substrate coated with the dispersions.
    Type: Application
    Filed: May 16, 2014
    Publication date: May 12, 2016
    Inventors: Tilman C. ZIPPLIES, Klaus HINTZER, Peter BISSINGER, Michael C. DADALAS