Patents by Inventor Graciela B. Arhancet

Graciela B. Arhancet 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).

  • Post-transcriptionally chemically modified double strand RNAs
    Patent number: 11174480
    Abstract: Described are post transcriptionally chemically modified double strand RNAs (MdsRNAs) having more than 30 base pairs. The MdsRNAs inhibit gene expression in target organisms. Also described are methods of making and using MdsRNAs.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 16, 2021
    Assignee: nanoSUR LLC
    Inventors: Juan P. Arhancet, Sreevishnu Cheerla, Graciela B. Arhancet, David B. Rozema
  • Surfactants and formulations
    Patent number: 10736325
    Abstract: A herbicidal composition is provided comprising an aqueous solution of N-phosphonomethylglycine, predominantly in the form of the potassium salt thereof, at a concentration of at least 300 g a.e./l of the composition; and a surfactant component in solution or stable suspension, emulsion, or dispersion in the water, comprising one or more surfactants in a total amount of about 20 to about 300 g/l of the composition, wherein the composition has a viscosity of less than about 250 centipoise at 0° C. or a Gardner color value less than 10.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: August 11, 2020
    Assignee: Monsanto Technology LLC
    Inventors: Patrick J. Lennon, Xiangyang Chen, Graciela B. Arhancet, Jeanette A. Glaenzer, Jane L. Gillespie, Jeffrey A. Graham, David Z. Becher, Daniel R. Wright, Henry E. Agbaje, Xiaodong C. Xu, William Abraham, Ronald J. Brinker, Norman R. Pallas, Al S. Wideman, Martin D. Mahoney, Susan L. Henke
  • Post-transcriptionally chemically modified double strand RNAs
    Patent number: 10640769
    Abstract: Described are post transcriptionally chemically modified double strand RNAs (MdsRNAs) having more than 30 base pairs. The MdsRNAs inhibit gene expression in target organisms. Also described are methods of making and using MdsRNAs.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: May 5, 2020
    Assignee: nanoSUR LLC
    Inventors: Juan P. Arhancet, Sreevishnu Cheerla, Graciela B. Arhancet, David B. Rozema
  • FUNGICIDAL COMPOSITIONS
    Publication number: 20200060273
    Abstract: Fungicidal compositions comprising a fungicide and an adjuvant, wherein the adjuvant increases the antifungal activity of the fungicide.
    Type: Application
    Filed: August 23, 2018
    Publication date: February 27, 2020
    Inventors: Matthew Mahoney, Graciela B. Arhancet
  • Heteroatom containing cyclic dimers
    Patent number: 10457660
    Abstract: The present invention provides cyclic dimers of alpha acids and polymers derived therefrom. Also provided are processes for preparing and methods of using the cyclic dimers and the polymers derived from the cyclic dimers.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: October 29, 2019
    Assignee: Novus International, Inc.
    Inventors: Graciela B. Arhancet, Matthew Mahoney, Xiaojun Wang
  • Anionic surfactants
    Patent number: 10329518
    Abstract: Monomeric and oligomeric compounds of Formula (I) comprising hydrophobic alkyl or alkenyl ester moieties and hydrophilic carboxylate moieties: wherein R1 is C1-C6 alkyl, R2 is Cl0-C30 alkyl or C8-C30 alkenyl, Y is a cation, Z is a sulfur-containing moiety, and n and k are integers as defined herein. The compounds of Formula (I) have surfactant properties. Also provided are compositions comprising the compounds of Formula (I), and methods of using the compounds or compositions for cleaning purposes.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: June 25, 2019
    Assignees: Board of Regents of the University of Oklahoma, Novus International, Inc.
    Inventors: Graciela B. Arhancet, Scott A. Long, Brian Grady, Jeff Harwell, Guangzhe Yu
  • PLASTIC MODIFIERS
    Publication number: 20190169399
    Abstract: Hydrocarbyl terminated polyester compounds comprising sulfur-containing repeat units that are useful as plastic modifiers, polymer blend compositions comprising the hydrocarbyl terminated polyester compounds, methods for modifying the performance properties of polymers, and methods for preparing the hydrocarbyl terminated polyester compounds.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 6, 2019
    Inventors: Graciela B. Arhancet, Xiaojun Wang, Scott Long, Matthew William Mahoney
  • Processes for preparing heteroatom containing cyclic dimers
    Patent number: 10266512
    Abstract: Processes for preparing heteroatom containing cyclic dimers that result in increased production efficiency and reduced waste production.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 23, 2019
    Assignee: Novus International, Inc.
    Inventors: Xiaojun Wang, Mark A. Hochwalt, Graciela B. Arhancet
  • Plastic modifiers
    Patent number: 10240029
    Abstract: Hydrocarbyl terminated polyester compounds comprising sulfur-containing repeat units that are useful as plastic modifiers, polymer blend compositions comprising the hydrocarbyl terminated polyester compounds, methods for modifying the performance properties of polymers, and methods for preparing the hydrocarbyl terminated polyester compounds.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: March 26, 2019
    Assignee: Novus International, Inc.
    Inventors: Graciela B. Arhancet, Xiaojun Wang, Scott Long, Matthew William Mahoney
  • Sulfur-containing compounds as solvents
    Patent number: 10227551
    Abstract: Methods for using sulfur-containing compounds comprising short chain aliphatic ester or amide moieties as solvents and compositions comprising these compounds are provided.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: March 12, 2019
    Assignee: Novus International, Inc.
    Inventors: Graciela B. Arhancet, Scott A. Long
  • PROCESSES FOR PREPARING HETEROATOM CONTAINING CYCLIC DIMERS
    Publication number: 20190047975
    Abstract: Processes for preparing heteroatom containing cyclic dimers that result in increased production efficiency and reduced waste production.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Inventors: Xiaojun Wang, Mark A. Hochwalt, Graciela B. Arhancet
  • Post-Transcriptionally Chemically Modified Double Strand RNAs
    Publication number: 20190048345
    Abstract: Described are post transcriptionally chemically modified double strand RNAs (MdsRNAs) having more than 30 base pairs. The MdsRNAs inhibit gene expression in target organisms. Also described are methods of making and using MdsRNAs.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 14, 2019
    Inventors: Juan P. Arhancet, Sreevishnu Cheerla, Graciela B. Arhancet, David B. Rozema
  • Post-Transcriptionally Chemically Modified Double Strand RNAs
    Publication number: 20190040389
    Abstract: Described are post transcriptionally chemically modified double strand RNAs (MdsRNAs) having more than 30 base pairs. The MdsRNAs inhibit gene expression in target organisms. Also described are methods of making and using MdsRNAs.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 7, 2019
    Inventors: Juan P. Arhancet, Sreevishnu Cheerla, Graciela B. Arhancet, David B. Rozema
  • Post-transcriptionally chemically modified double strand RNAs
    Patent number: 10131911
    Abstract: Described are post transcriptionally chemically modified double strand RNAs (MdsRNAs) having more than 30 base pairs. The MdsRNAs inhibit gene expression in target organisms. Also described are methods of making and using MdsRNAs.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: November 20, 2018
    Assignee: nanoSUR LLC
    Inventors: Juan P. Arhancet, Sreevishnu Cheerla, Graciela B. Arhancet, David B. Rozema
  • Matrix and layer compositions for protection of bioactives
    Patent number: 10010506
    Abstract: The invention relates to matrix and layer compositions comprising a first polymer. The matrix and layer compositions are useful in the delivery of bioactives. In particular, the matrices and layers may have advantageous properties including mechanical properties and protection of bioactives and may also provide for pH-dependent release of a bioactive.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: July 3, 2018
    Assignee: Novus International, Inc.
    Inventors: Houston Stephen Smith, Matthew J. Fischer, Graciela B. Arhancet, Rangarani Karnati, John A. Hume, Xiaojun Wang
  • POST-TRANSCRIPTIONALLY CHEMICALLY MODIFIED DOUBLE STRAND RNAs
    Publication number: 20180127753
    Abstract: Described are post transcriptionally chemically modified double strand RNAs (MdsRNAs) having more than 30 base pairs. The MdsRNAs inhibit gene expression in target organisms. Also described are methods of making and using MdsRNAs.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 10, 2018
    Inventors: Juan P. Arhancet, Sreevishnu Cheerla, Graciela B. Arhancet, David B. Rozema
  • REDUCING RESIDUAL MONOMER CONTENT IN COPOLYMERS OF STYRENE AND VINYLPYRIDINE
    Publication number: 20180057616
    Abstract: Copolymers of styrene and vinylpyridine having residual monomer levels of less than about 1000 parts per billion and processes for preparing said copolymers.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 1, 2018
    Inventors: Xiaojun Wang, Graciela B. Arhancet, Richard Vonder Embse, John Hume
  • Antimicrobial compositions and uses thereof
    Patent number: 9801845
    Abstract: Antimicrobial compositions comprising sulfur- or selenium-containing, fatty-acylated alpha-hydroxy acid compounds and methods of using said compounds or compositions to inhibit microbial growth.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: October 31, 2017
    Assignee: Novus International, Inc.
    Inventors: Graciela B. Arhancet, Matthew Mahoney, Scott Long, Mariya Grega, Drew L. Lichtenstein, Vivek Kuttappan, Jeffery Escobar Monestel, Mercedes Vazquez-Anon
  • SUBSTITUTED 1,2-DIHYDROQUINOLINES WITH LOW CONTAMINANT LEVELS AND PROCESSES FOR PREPARING
    Publication number: 20170298006
    Abstract: Processes for preparing compositions comprising substituted 1,2-dihydroquinolines and having low or undetectable levels of substituted anilines, wherein the processes comprise removing the substituted anilines from feed streams comprising the substituted 1,2-dihydroquinolines and substituted anilines.
    Type: Application
    Filed: April 17, 2017
    Publication date: October 19, 2017
    Inventors: Graciela B. Arhancet, Matthew W. Mahoney, Scott A. Long, Xiaojun Wang, Andrei D. Stefanescu, Jason W. Schultz
  • MATRIX AND LAYER COMPOSITIONS FOR PROTECTION OF BIOACTIVES
    Publication number: 20170216208
    Abstract: The invention relates to matrix and layer compositions comprising a first polymer. The matrix and layer compositions are useful in the delivery of bioactives. In particular, the matrices and layers may have advantageous properties including mechanical properties and protection of bioactives and may also provide for pH-dependent release of a bioactive.
    Type: Application
    Filed: April 17, 2017
    Publication date: August 3, 2017
    Inventors: Houston Stephen Smith, Matthew J. Fischer, Graciela B. Arhancet, Rangarani Karnati, John A. Hume, Xiaojun Wang