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: 11801214Abstract: 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: GrantFiled: March 29, 2022Date of Patent: October 31, 2023Assignee: ELEMENTIS SPECIALTIES, INC.Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
-
Publication number: 20220251414Abstract: 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: ApplicationFiled: February 1, 2022Publication date: August 11, 2022Applicant: Elementis Specialties, Inc.Inventors: Yanhui CHEN, Maurice GRAY, Rajni GUPTA, Wouter Laurens IJDO
-
Publication number: 20220218587Abstract: 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: ApplicationFiled: March 29, 2022Publication date: July 14, 2022Applicant: Elementis Specialties, Inc.Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
-
Patent number: 11318082Abstract: 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: GrantFiled: August 21, 2020Date of Patent: May 3, 2022Assignee: ELEMENTS SPECIALTIES, INC.Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
-
Publication number: 20210108088Abstract: 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: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Applicant: Elementis Specialties, Inc.Inventors: Rajni GUPTA, Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Patent number: 10894886Abstract: 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: GrantFiled: June 13, 2018Date of Patent: January 19, 2021Assignee: Elementis Specialties, Inc.Inventors: Rajni Gupta, Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, James A. Heck, Wayne Hoyte, Maurice Gray
-
Publication number: 20210007963Abstract: 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: ApplicationFiled: August 21, 2020Publication date: January 14, 2021Applicant: Elementis Specialties, Inc.Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Patent number: 10799443Abstract: 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: GrantFiled: March 18, 2020Date of Patent: October 13, 2020Assignee: ELEMENTIS SPECIALTIES, INC.Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
-
Publication number: 20200214966Abstract: 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: ApplicationFiled: March 18, 2020Publication date: July 9, 2020Applicant: Elementis Specialties, Inc.Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Patent number: 10624833Abstract: 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: GrantFiled: June 13, 2017Date of Patent: April 21, 2020Assignee: ELEMENTIS SPECIALTIES, INC.Inventors: Wouter Ijdo, Yanhui Chen, Prashant Deshmukh, Rajni Gupta, James A. Heck, Wayne Hoyte, Maurice Gray
-
Publication number: 20180353421Abstract: A clear coating composition for use over nail polish.Type: ApplicationFiled: June 13, 2018Publication date: December 13, 2018Applicant: Elementis Specialties, Inc.Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Publication number: 20180353400Abstract: A nail polish composition containing a crosslinkable coating composition.Type: ApplicationFiled: June 13, 2018Publication date: December 13, 2018Applicant: Elementis Specialties, Inc.Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Publication number: 20180355185Abstract: 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: ApplicationFiled: June 13, 2018Publication date: December 13, 2018Applicant: Elementis Specialties, Inc.Inventors: Rajni GUPTA, Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Publication number: 20180000720Abstract: 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: ApplicationFiled: June 13, 2017Publication date: January 4, 2018Applicant: Elementis Specialties, Inc.Inventors: Wouter IJDO, Yanhui CHEN, Prashant DESHMUKH, Rajni GUPTA, James A. HECK, Wayne HOYTE, Maurice GRAY
-
Patent number: 7713530Abstract: 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: GrantFiled: July 30, 2008Date of Patent: May 11, 2010Assignees: The South African Medical Research Council, University of Cape TownInventors: Carolyn Williamson, Joanne Heidi van Harmelen, Clive Maurice Gray, William Bourn, Salim Abdool Karim
-
Publication number: 20090076245Abstract: 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: ApplicationFiled: July 30, 2008Publication date: March 19, 2009Applicants: The South African Medical Research Council, University of Cape TownInventors: Carolyn Williamson, Joanne Heidi van Harmelen, Clive Maurice Gray, William Bourn, Salim Abdool Karim
-
Patent number: 7479547Abstract: 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: GrantFiled: October 31, 2002Date of Patent: January 20, 2009Assignees: The South African Medical Research Council, University of Cape TownInventors: Carolyn Williamson, Joanne Heidi van Harmelen, Clive Maurice Gray, William Bourn, Salim Abdool Karim
-
Publication number: 20080057347Abstract: An ultraviolet absorbing, fluorescing material is described, wherein the material fluoresces and can provide ultraviolet protection.Type: ApplicationFiled: October 30, 2007Publication date: March 6, 2008Inventors: David Foster, Maurice Gray, William Simpson
-
Publication number: 20070111133Abstract: 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: ApplicationFiled: November 15, 2005Publication date: May 17, 2007Inventors: David Foster, Narasimharao Dontula, Maurice Gray, William Simpson
-
Publication number: 20060263713Abstract: 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: ApplicationFiled: May 23, 2005Publication date: November 23, 2006Inventors: David Foster, Maurice Gray, Rajesh Mehta, Ramesh Jagannathan