Patents by Inventor Maurice Gray

Maurice Gray 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: 11801214
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: October 31, 2023
    Assignee: ELEMENTIS SPECIALTIES, INC.
    Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
  • Publication number: 20220251414
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor, wherein ingredient A is selected from the group consisting of an acetoacetate group containing compound, an acetoacetate group containing oligomer, an acetoacetate group containing polymer and combinations thereof; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; a surface modifying agent selected from the group consisting of perfluorosurfactants, polyacrylates, polyacrylate copolymers, fluorocarbon polyacrylates, fluorocarbon polyacrylate copolymers, polysiloxane and copolymers thereof and combinations thereof; and a chemical activator.
    Type: Application
    Filed: February 1, 2022
    Publication date: August 11, 2022
    Applicant: Elementis Specialties, Inc.
    Inventors: Yanhui CHEN, Maurice GRAY, Rajni GUPTA, Wouter Laurens IJDO
  • Publication number: 20220218587
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Applicant: Elementis Specialties, Inc.
    Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
  • Patent number: 11318082
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: May 3, 2022
    Assignee: ELEMENTS SPECIALTIES, INC.
    Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
  • Publication number: 20210108088
    Abstract: A coating composition containing a crosslinkable coating composition. The coating system comprises: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a catalyst system. In one embodiment, the catalyst system comprises diethyl carbonate, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 4-6 wt. % water. In another embodiment, the catalyst system comprises carbon dioxide, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 2-4 wt. % water. In certain embodiments, the coating composition optionally further comprising ammonium carbamate (H2NR8R9+—OC?ONR8R9), wherein R8 R9 are each independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; 1 to 3 carbon atoms.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Applicant: Elementis Specialties, Inc.
    Inventors: Rajni GUPTA, Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Patent number: 10894886
    Abstract: A coating composition containing a crosslinkable coating composition. The coating system comprises: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a catalyst system. In one embodiment, the catalyst system comprises diethyl carbonate, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 4-6 wt. % water. In another embodiment, the catalyst system comprises carbon dioxide, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 2-4 wt. % water. In certain embodiments, the coating composition optionally further comprising ammonium carbamate (H2NR8R9+—OC?ONR8R9), wherein R8R9 are each independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; 1 to 3 carbon atoms.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: January 19, 2021
    Assignee: Elementis Specialties, Inc.
    Inventors: Rajni Gupta, Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, James A. Heck, Wayne Hoyte, Maurice Gray
  • Publication number: 20210007963
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Application
    Filed: August 21, 2020
    Publication date: January 14, 2021
    Applicant: Elementis Specialties, Inc.
    Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Patent number: 10799443
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: October 13, 2020
    Assignee: ELEMENTIS SPECIALTIES, INC.
    Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
  • Publication number: 20200214966
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Applicant: Elementis Specialties, Inc.
    Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Patent number: 10624833
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: April 21, 2020
    Assignee: ELEMENTIS SPECIALTIES, INC.
    Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
  • Publication number: 20180353421
    Abstract: A clear coating composition for use over nail polish.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 13, 2018
    Applicant: Elementis Specialties, Inc.
    Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Publication number: 20180353400
    Abstract: A nail polish composition containing a crosslinkable coating composition.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 13, 2018
    Applicant: Elementis Specialties, Inc.
    Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Publication number: 20180355185
    Abstract: A coating composition containing a crosslinkable coating composition. The coating system comprises: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a catalyst system. In one embodiment, the catalyst system comprises diethyl carbonate, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 4-6 wt. % water. In another embodiment, the catalyst system comprises carbon dioxide, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 2-4 wt. % water. In certain embodiments, the coating composition optionally further comprising ammonium carbamate (H2NR8R9+—OC?ONR8R9), wherein R8R9 are each independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; 1 to 3 carbon atoms.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 13, 2018
    Applicant: Elementis Specialties, Inc.
    Inventors: Rajni GUPTA, Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Publication number: 20180000720
    Abstract: A crosslinkable coating composition comprising: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a dormant carbamate initiator of Formula (1) wherein R1 and R2 can be independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; and An+ is a cationic species or polymer and n is an integer equal or greater than 1 with the proviso that An+ is not an acidic hydrogen; and optionally further comprising ammonium carbamate (H2NR1R2+?OC?ONR1R2). The crosslinkable coating composition can be used for a variety of coating applications including nail coating compositions.
    Type: Application
    Filed: June 13, 2017
    Publication date: January 4, 2018
    Applicant: Elementis Specialties, Inc.
    Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
  • Patent number: 7713530
    Abstract: The invention describes HIV-1 subtype isolate regulatory/accessory genes, and modifications and derivatives thereof. The genes which are described are the tat, nef and rev genes. Consensus amino acid sequences are also disclosed. The invention also relates to a vaccine including two or more of the nucleotide sequences, and nucleotide sequences from the pol and/or gag genes of HIV-1.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: May 11, 2010
    Assignees: The South African Medical Research Council, University of Cape Town
    Inventors: Carolyn Williamson, Joanne Heidi van Harmelen, Clive Maurice Gray, William Bourn, Salim Abdool Karim
  • Publication number: 20090076245
    Abstract: The invention describes HIV-1 subtype isolate regulatory/accessory genes, and modifications and derivatives thereof. The genes which are described are the tat, nef and rev genes. Consensus amino acid sequences are also disclosed. The invention also relates to a vaccine including two or more of the nucleotide sequences, and nucleotide sequences from the pol and/or gag genes of HIV-1.
    Type: Application
    Filed: July 30, 2008
    Publication date: March 19, 2009
    Applicants: The South African Medical Research Council, University of Cape Town
    Inventors: Carolyn Williamson, Joanne Heidi van Harmelen, Clive Maurice Gray, William Bourn, Salim Abdool Karim
  • Patent number: 7479547
    Abstract: The invention describes HIV-1 subtype isolate regulatory/accessory genes, and modifications and derivatives thereof. The genes which are described are the tat, nef and rev genes. Consensus amino acid sequences are also disclosed. The invention also relates to a vaccine including two or more of the nucleotide sequences, and nucleotide sequences from the pol and/or gag genes of HIV-1.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: January 20, 2009
    Assignees: The South African Medical Research Council, University of Cape Town
    Inventors: Carolyn Williamson, Joanne Heidi van Harmelen, Clive Maurice Gray, William Bourn, Salim Abdool Karim
  • Publication number: 20080057347
    Abstract: An ultraviolet absorbing, fluorescing material is described, wherein the material fluoresces and can provide ultraviolet protection.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 6, 2008
    Inventors: David Foster, Maurice Gray, William Simpson
  • Publication number: 20070111133
    Abstract: A thermal donor element having a dye layer on an extruded substrate, wherein the extruded substrate includes a polyester-containing material and a slip agent, but does not contain silica particles, is disclosed.
    Type: Application
    Filed: November 15, 2005
    Publication date: May 17, 2007
    Inventors: David Foster, Narasimharao Dontula, Maurice Gray, William Simpson
  • Publication number: 20060263713
    Abstract: Methods of forming a dye donor layer of a dye-donor element for a thermal dye transfer system are described. The methods include coating colored particles in a compressed carrier fluid on the substrate of the dye-donor element.
    Type: Application
    Filed: May 23, 2005
    Publication date: November 23, 2006
    Inventors: David Foster, Maurice Gray, Rajesh Mehta, Ramesh Jagannathan