Patents by Inventor Stephen W. King

Stephen W. King 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: 20200298438
    Abstract: The present disclosure describes a treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer, the polymer comprising a polyurethane polymer. The present disclosure further describes a method for preparing a treated cellulosic material comprising providing a cellulosic material; and a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising a polyurethane polymer; and a second treatment protocol comprising impregnating the cellulosic material with a modifying agent, the modifying agent comprising a hydrophobic amine.
    Type: Application
    Filed: October 26, 2016
    Publication date: September 24, 2020
    Inventors: Stephen W. King, Xue Chen
  • Publication number: 20200254646
    Abstract: The present disclosure describes a treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer comprising an olefin-carboxylic acid copolymer; and a modifying agent comprising an epoxy.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Inventors: Stephen W. King, Xue Chen
  • Publication number: 20200239757
    Abstract: The present disclosure describes a nanofluid comprising a polar fluid medium; and a functionalized carbon nanomaterial. The present disclosure further describes a process for preparing a nanofluid comprising providing a functionalized carbon nanomaterial; providing a polar fluid medium; and dispersing the functionalized carbon nanomaterial in the polar fluid medium by ultrasonication.
    Type: Application
    Filed: September 13, 2016
    Publication date: July 30, 2020
    Inventors: Lalitha V. Ganapatibhotla, Stephen W. King, Michael T. Malanga, John G. Pendergast, JR.
  • Patent number: 10695944
    Abstract: The present disclosure describes a treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer comprising an olefin-carboxylic acid copolymer; and a modifying agent comprising an epoxy.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: June 30, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Stephen W. King, Xue Chen
  • Publication number: 20200181536
    Abstract: A detergent additive comprising an active comprising one or both of tetraacetylethylenediamine, triacetylethylenediamine; and an interpolymer complex, the interpolymer complex comprising both a proton-accepting-(co)polymer and a proton-donating (co)polymer.
    Type: Application
    Filed: July 10, 2018
    Publication date: June 11, 2020
    Inventors: Xue Chen, Xin Jin, Gyongyi Gulyas, Stephen W. King
  • Patent number: 10626097
    Abstract: The present invention relates to an improved process for making hydroxyethyl piperazine compounds especially mono-hydroxyethyl piperazine. The improvement comprises reacting piperazine and an alkylene oxide, preferably ethylene oxide in a reactive distillation column.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: April 21, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: John G. Pendergast, Jr., Ravindra S. Dixit, Stephen W. King, Christophe R. Laroche
  • Publication number: 20200100531
    Abstract: Cyclic ketal compounds provide excellent foam protection when having at least one moiety of a threshold size (comprising 4 or more carbon atoms) pendant from a ketal carbon. The carbons in such moieties may be present in one or more chains. The cyclic ketal compounds of the present invention are compatible with foodstuff manufacturing. In particular, it has been discovered that the cyclic ketal compounds of the present invention exhibit excellent foam control performance in both potato and sugar beet processing systems.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventors: Michael L. Tulchinsky, Xue Chen, Clark H. Cummins, Stephen W. King
  • Patent number: 10584303
    Abstract: An aqueous composition comprising: (a) at least one 3-isothiazolone; and (b) at least one tertiary amine having three C2-C6 hydroxyalkyl groups, wherein at least one of the hydroxyalkyl groups has a secondary hydroxyl group.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: March 10, 2020
    Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, INC.
    Inventors: Christine McInnis, Stephen W. King
  • Patent number: 10487406
    Abstract: The disclosure provides compositions and methods for inhibiting corrosion of a copper surface using a bis-imidazoline compound having an aromatic group, such as an aryl bis-imidazoline. The bis-imidazoline corrosion inhibitor can provide one or more advantage in use such as synergistic performance in aqueous and acidic media at low active dosages, resistance to decomposition or degradation in the presence of harsh reagents, ease of dispersion in an aqueous system, and improved thermal stability over conventional triazole based inhibitors. The disclosure also provides methods for the synthesis of bis-imidazoline compounds.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: November 26, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Ritesh Gulabani, Stephen W. King, Deepak Dicholkar, Sung-Yu Ku
  • Patent number: 10471625
    Abstract: A treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a thermoset comprising a cured epoxy resin. The present disclosure further describes a method for preparing a treated cellulosic material comprising (a) providing a cellulosic material; and (b) a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion, the aqueous dispersion comprising an epoxy resin and an emulsifying agent.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: November 12, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Xue Chen, Stephen W. King
  • Publication number: 20190330405
    Abstract: The present invention discloses a polymeric polyol composition useful for making polyurethane polymers, especially polyurethane foams. Said polyurethane polymer foams demonstrate a good balance of mechanical properties, physical properties, and low emissions. The polymeric polyol composition is the reaction product(s) of (i) a polyamine initiator composition comprising the polymerization product(s) of aminoethylpiperazine with (ii) at least one epoxide compound, at least one glycidyl ether compound, or mixtures thereof.
    Type: Application
    Filed: June 7, 2017
    Publication date: October 31, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Michael T. Malanga, Sabrina Fregni, George J. Frycek, Stephen W. King, Jean-Paul Masy, Sadeka Onam
  • Patent number: 10399064
    Abstract: The present invention provides techniques that selectively recover Re from reductive amination catalysts. In particular, the present invention allows Re to be recovered selectively relative to Ni, Co, and/or Cu, and particularly Ni, that are often present on reductive amination catalysts. The present invention uses a combination of oxidation and extraction techniques to selectively recover Re relative to Ni, Co, and/or Cu. Advantageously, the recovery is selective even when using aqueous solutions for extraction.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 3, 2019
    Assignee: DOW Global Technologies LLC
    Inventors: Stephen W. King, William C. Hoffman
  • Patent number: 10335976
    Abstract: A treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a cured low viscosity epoxy resin. The present disclosure further describes a method for preparing a treated cellulosic material comprising (a) providing a cellulosic material; and (b) a first treatment protocol comprising impregnating the cellulosic material with a liquid epoxy resin.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: July 2, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xue Chen, Stephen W. King, Maurice J. Marks, Rui Vogt Alves Da Cruz
  • Patent number: 10335975
    Abstract: A cellulosic material is treated by providing a cellulosic material such as wood or a wood composite, which is impregnated with an aqueous dispersion comprising a polymer, the polymer comprising an olefin-carboxylic acid copolymer. The cellulosic material is then impregnated with a modifying agent, the modifying agent comprising a polyamine having greater than or equal to 2 amine groups. The modifying agent at least partially crosslinks the polymer within the cellulosic material.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: July 2, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xue Chen, Stephen W. King
  • Patent number: 10329672
    Abstract: The present invention provides corrosion inhibiting compositions that incorporate at least one bis-imidazoline compound. In the practice of the present invention, a tetramine admixture enriched with respect to linear tetramine is used to prepare the bis-imidazoline compound. “Enriched” means at least 70 weight percent and up to 100% of the tetramine species included in the admixture includes a linear tetramine such as L-TETA.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: June 25, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Ritesh Gulabani, Stephen W. King, Prashant Tatake
  • Patent number: 10322524
    Abstract: A treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer comprising a poly(meth)acrylate polymer. The present further describes a method for preparing a treated cellulosic material comprising (a) providing a cellulosic material; and (b) a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising a poly(meth)acrylate polymer.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: June 18, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Stephen W. King, Xue Chen, David L. Malotky
  • Patent number: 10315330
    Abstract: A treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer comprising a modified cellulose polymer; and a modifying agent comprising a hydrophobic amine, a metal ion, or a quat. The present disclosure further describes a method for preparing a treated cellulosic material comprising (a) providing a cellulosic material; (b) a first treatment protocol comprising impregnating the cellulosic material with a dispersion comprising a polymer, the polymer comprising a modified cellulose polymer; and (c) a second treatment protocol comprising impregnating the cellulosic material with a modifying agent, the modifying agent comprising a hydrophobic amine, a metal ion, or a quat.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: June 11, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stephen W. King, Xue Chen, David L. Malotky
  • Patent number: 10300623
    Abstract: The present disclosure describes a method for preparing a treated cellulosic material comprising: providing a cellulosic material; a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising an olefin-carboxylic acid copolymer neutralized at least in part by ammonia or an amine; and a second treatment protocol comprising heating the cellulosic material, wherein at least a portion of the ammonia or the amine is liberated from the cellulosic material.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 28, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stephen W. King, Xue Chen
  • Publication number: 20190119580
    Abstract: A process for controlling corrosion and fouling in petroleum refining units. The corrosion controlling agent comprises an amine and an alcohol. The process comprises the step of adding the amine and the alcohol to the overhead system of the petroleum refining unit, either separately or in combination.
    Type: Application
    Filed: April 27, 2017
    Publication date: April 25, 2019
    Inventors: Runyu Tan, Lorenzo Spagnuolo, Stephen W. King, Frederick S. Foster
  • Publication number: 20190118136
    Abstract: The present invention relates to a dehydration composition and method of use thereof for drying gas streams, in particular natural gas streams, wherein the dehydration composition comprises (i) a glycol, (ii) an imidazole compound, and optionally (iii) one or more of an alkali metal carboxylate, an additional glycol different than (i), an alkanolamine, a phosphate acid, a salt of a phosphate acid, a borate acid, a salt of a borate acid, a sweetening agent, a low temperature viscosity improver, a corrosion inhibitor, an antifoaming agent, or mixtures thereof.
    Type: Application
    Filed: April 20, 2017
    Publication date: April 25, 2019
    Inventors: Christophe Laroche, Eric J. Klinker, Sara B. Klamo, Angela I. Padilla-Acevedo, Ashwin R. Bharadwaj, Stephen W. King, Edward D. Daugs, Brian A. Jazdzewski