Patents by Inventor Eugene N. Step

Eugene N. Step 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: 20230383083
    Abstract: A flexible polyurethane foam comprises up to 10 wt % of a fumed silica having a surface area from 50 to 150 m2/g, wherein the fumed silica has C1-C3 alkylsilyl groups at its surface, the flexible polyurethane foam exhibiting has a resilience of at least 40%, for example, from 40% to 70%, a dry compression set no greater than 15%, for example, from 3% to 15%, or both. Alternatively in addition, the flexible polyurethane foam may have a compression force deflection at 50% as measured by ASTM D3574 that is at least 30%, for example, at least 50%, at least 70%, or from 30% to 155%, greater than a flexible polyurethane foam having the same composition but with polyol replacing the silica.
    Type: Application
    Filed: September 21, 2021
    Publication date: November 30, 2023
    Inventors: Eugene N. Step, John K. Foster, Ibrahim Sendijarevic, Vahid Sendijarevic
  • Publication number: 20230100957
    Abstract: Surface treated silica containing particles are combined with a resin to form a liquid prepolymer composition for use in additive manufacturing. A surface treatment on the silica containing particles may participate in polymerization of the composition. The silica containing particles may be colloidal silica or a silica polymer composite particle.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 30, 2023
    Inventors: Dmitry Fomitchev, Paul S. Palumbo, Jodi A. Bates, Xiaofeng Zhang, Russell H. Lewis, Eugene N. Step, Andriy Korchev, Joshua M. Wimble, Patrick Sargent, Bjoern Schimmoeller
  • Publication number: 20220251340
    Abstract: A method of producing a thermoplastic elastomer includes providing a polyether composition comprising at least a first diol terminated polyether having a number average molecular weight of 400-6000 and up to 15 wt % of fumed silica having C1-C8 alkylsilyl groups or acrylate or methacrylate ester groups at its surface, combining the polyether composition with optional additional first polyether and either a) at least one dicarboxylic acid and at least one organic diol having a molecular weight less than 250 or b) at least one dicarboxylate terminated polyamide, to form a prepolymer composition, and allowing the prepolymer composition to polymerize to form a thermoplastic elastomer.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 11, 2022
    Inventors: Alain Thielen, Marc B. Delvaux, Eugene N. Step
  • Publication number: 20220251339
    Abstract: Hydrophobic silica is combined with a polyether in an in situ process for producing thermoplastic polyurethane with superior mechanical properties. The resulting thermoplastic polyurethane may be used in a variety of applications, including midsoles and outsoles in footwear and in wire insulation, hoses, films, wheels and tires, and drilling/mining screens.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 11, 2022
    Inventors: Eugene N. Step, Angelica M. Sanchez Garcia, Marc B. Delvaux, Vahid Sendijarevic, Aisa Sendijarevic, Ibrahim Sendijarevic
  • Publication number: 20210165338
    Abstract: Metal-oxide composite particles are used as a toner additive.
    Type: Application
    Filed: February 16, 2021
    Publication date: June 3, 2021
    Inventors: Dmitry Fomitchev, Eugene N. Step
  • Patent number: 10955763
    Abstract: Metal-oxide composite particles are used as a toner additive.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: March 23, 2021
    Assignee: Cabot Corporation
    Inventors: Dmitry Fomitchev, Eugene N. Step
  • Patent number: 10450493
    Abstract: Surface treated modified carbon black particles and oil-based drilling fluids are described. The carbon blacks are incorporated into the oil-based drilling fluids to reduce the electrical resistivity of the oil-based drilling fluids. The surface treated carbon blacks can include a hydrophobic organic group and are readily dispersible in oil-based drilling fluids.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: October 22, 2019
    Assignee: Cabot Corporation
    Inventors: Eugene N. Step, Michael J. Natan
  • Patent number: 9982158
    Abstract: UV curable coatings containing dual phase filler-polymer compositions with high resistivity, low dielectric constant, good optical density, and controlled electrical resistivity are described, and cured coatings or films formed thereof, along with their use in black matrix, black column spacers, and other light shielding coating elements in LCD. Devices having these black matrices, black column spacers, and/or other light shielding coating elements, and methods of preparing and making these various materials and products are also described.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: May 29, 2018
    Assignee: Cabot Corporation
    Inventors: Andriy Korchev, Jeremy K. Huffman, Agathagelos Kyrlidis, Pavel A. Kossyrev, Eugene N. Step, Geoffrey D. Moeser, Qingling Zhang
  • Publication number: 20180002560
    Abstract: UV curable coatings containing dual phase filler-polymer compositions with high resistivity, low dielectric constant, good optical density, and controlled electrical resistivity are described, and cured coatings or films formed thereof, along with their use in black matrix, black column spacers, and other light shielding coating elements in LCD. Devices having these black matrices, black column spacers, and/or other light shielding coating elements, and methods of preparing and making these various materials and products are also described.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 4, 2018
    Inventors: Andriy Korchev, Jeremy K. Huffman, Agathagelos Kyrlidis, Pavel A. Kossyrev, Eugene N. Step, Geoffrey D. Moeser, Qingling Zhang
  • Patent number: 9790393
    Abstract: UV curable coatings containing dual phase filler-polymer compositions with high resistivity, low dielectric constant, good optical density, and controlled electrical resistivity are described, and cured coatings or films formed thereof, along with their use in black matrix, black column spacers, and other light shielding coating elements in LCD. Devices having these black matrices, black column spacers, and/or other light shielding coating elements, and methods of preparing and making these various materials and products are also described.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 17, 2017
    Assignee: Cabot Corporation
    Inventors: Andriy Korchev, Jeremy K. Huffman, Agathagelos Kyrlidis, Pavel A. Kossyrev, Eugene N. Step, Geoffrey D. Moeser, Qingling Zhang
  • Publication number: 20170115588
    Abstract: Metal-oxide composite particles are used as a toner additive.
    Type: Application
    Filed: January 5, 2017
    Publication date: April 27, 2017
    Inventors: Dmitry Fomitchev, Eugene N. Step
  • Publication number: 20170096593
    Abstract: Surface treated modified carbon black particles and oil-based drilling fluids are described. The carbon blacks are incorporated into the oil-based drilling fluids to reduce the electrical resistivity of the oil-based drilling fluids. The surface treated carbon blacks can include a hydrophobic organic group and are readily dispersible in oil-based drilling fluids.
    Type: Application
    Filed: March 26, 2015
    Publication date: April 6, 2017
    Applicant: Cabot Corporation
    Inventors: Eugene N. Step, Michael J. Natan
  • Patent number: 9568847
    Abstract: Metal-oxide composite particles are used as a toner additive.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: February 14, 2017
    Assignee: Cabot Corporation
    Inventors: Dmitry Fomitchev, Eugene N. Step
  • Patent number: 9546286
    Abstract: Disclosed herein are resistive composites comprising at least one resin; at least one carbon black having a surface hydrophobically modified with at least one organic group, the at least one organic group having a molecular weight of the composite of 4000 or less and comprising the formula —X(G)-, wherein X is directly attached to the at least one carbon black and is selected from arylene, heteroarylene, and alkylene, G is a substituent of X, and —X(G)- is nonionic; and wherein the resistive composite has a volume resistivity, Rv, at a relative volume fraction, XCB, of the at least one carbon black in the coating, where Rv is at least 106 ohm-cm; and log Rv has a substantially linear relationship with XCB when XCB is varied from 0.1 to 0.5. Also disclosed are coatings made from such composites, such as coatings for rollers/belts for office automation machines, and methods of making such coatings.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: January 17, 2017
    Assignee: Cabot Corporation
    Inventors: Eugene N. Step, Andriy Korchev, Agathagelos Kyrlidis, Clovis D. Haynes, Gregory R. Schulz, John R. Szwec
  • Publication number: 20160024345
    Abstract: Disclosed herein are materials and compositions comprising: an oxidized carbon black having a BET surface area ranging from 50 to 700 m2/g, a DBP oil adsorption number ranging from 50 to 200 mL/100 g, and a primary particle size ranging from 7 to 30 nm; and a polyetheramine comprising ethylene oxide and propylene oxide monomers, wherein the polyetheramine coats the oxidized carbon black. Also disclosed are coatings and coating compositions comprising these materials and methods of making the same.
    Type: Application
    Filed: October 5, 2015
    Publication date: January 28, 2016
    Inventors: Angelica Maria Sanchez Garcia, Eugene N. Step, Jeffrey Scott Sawrey, Lang H. Nguyen, Joshua B. Preneta
  • Publication number: 20160017168
    Abstract: UV curable coatings containing dual phase filler-polymer compositions with high resistivity, low dielectric constant, good optical density, and controlled electrical resistivity are described, and cured coatings or films formed thereof, along with their use in black matrix, black column spacers, and other light shielding coating elements in LCD. Devices having these black matrices, black column spacers, and/or other light shielding coating elements, and methods of preparing and making these various materials and products are also described.
    Type: Application
    Filed: March 12, 2014
    Publication date: January 21, 2016
    Inventors: Andriy Korchev, Jeremy K. Huffman, Agathagelos Kyrlidis, Pavel A. Kossyrev, Eugene N. Step, Geoffrey D. Moeser, Qingling Zhang
  • Patent number: 9150739
    Abstract: Disclosed herein are materials and compositions comprising: an oxidized carbon black having a BET surface area ranging from 50 to 700 m2/g, a DBP oil adsorption number ranging from 50 to 200 mL/100 g, and a primary particle size ranging from 7 to 30 nm; and a polyetheramine comprising ethylene oxide and propylene oxide monomers, wherein the polyetheramine coats the oxidized carbon black. Also disclosed are coatings and coating compositions comprising these materials and methods of making the same.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: October 6, 2015
    Assignee: Cabot Corporation
    Inventors: Angelica Maria Sanchez Garcia, Eugene N. Step, Jeffrey Scott Sawrey, Lang H. Nguyen, Joshua B. Preneta
  • Publication number: 20150087764
    Abstract: Disclosed herein are materials and compositions comprising: an oxidized carbon black having a BET surface area ranging from 50 to 700 m2/g, a DBP oil adsorption number ranging from 50 to 200 mL/100 g, and a primary particle size ranging from 7 to 30 nm; and a polyetheramine comprising ethylene oxide and propylene oxide monomers, wherein the polyetheramine coats the oxidized carbon black. Also disclosed are coatings and coating compositions comprising these materials and methods of making the same.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 26, 2015
    Applicant: Cabot Corporation
    Inventors: Angelica Maria Sanchez Garcia, Eugene N. Step, Jeffrey Scott Sawrey, Lang H. Nguyen, Joshua B. Preneta
  • Publication number: 20140295341
    Abstract: Metal-oxide composite particles are used as a toner additive.
    Type: Application
    Filed: October 25, 2012
    Publication date: October 2, 2014
    Inventors: Dmitry Fomitchev, Eugene N. Step
  • Patent number: 8728223
    Abstract: The present invention relates to dispersions comprising particulate materials and a solvent, with an optional dispersant. The solvent has a low dielectric constant, and the particulate material is present at high loading levels. The resulting dispersion has been found to be stable and have a low viscosity, even at high particulate material loadings. Various uses for these dispersions are also disclosed.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: May 20, 2014
    Assignee: Cabot Corporation
    Inventors: Anne K. Shim, Eugene N. Step, Agathagelos Kyrlidis, Lang Nyugen