Patents by Inventor Philip Fontaine

Philip Fontaine 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).

  • Process for preparing carbazoles
    Patent number: 10246415
    Abstract: A process for preparing one or more carbazoles comprising (a) contacting one or more compounds represented by formula (1) below with diboron reagents in the presence of PdCl2(dppf) to form one or more 2,2?-dichlorobiaryl represented by formula (2) below; and (b) contacting the one or more 2,2?-dichlorobiaryls with one or more H2N—Y compounds, in the presence of one or more palladium containing catalytic components; thereby forming one or more carbazoles represented by formula (3) below is provided.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 2, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Chunming Zhang, Arvind Jaganathan, Heqi Pan, Philip Fontaine, Jerzy Klosin
  • Process for the preparation of bis(chloromethyl)dichlorosilane and bis(chloromethyl)(aryl)chlorosilane
    Patent number: 10167301
    Abstract: The instant invention provides a process for the preparation of bis(chloromethyl)dichlorosilane (BCMCS) or bis(chloromethyl) (aryl)chlorosilane (BCMACS) comprising reacting bis(chloromethyl) diphenylsilane and one or more chloride compounds in the presence of a Lewis acid in an inert solvent and under an inert atmosphere.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: January 1, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Chunming Zhang, Heqi Pan, Jerzy Klosin, Philip Fontaine, David Wilson
  • PROCESS FOR PREPARING CARBAZOLES
    Publication number: 20180230099
    Abstract: A process for preparing one or more carbazoles comprising (a) contacting one or more compounds represented by formula (1) below with diboron reagents in the presence of PdCl2(dppf) to form one or more 2,2?-dichlorobiaryl represented by formula (2) below; and (b) contacting the one or more 2,2?-dichlorobiaryls with one or more H2N—Y compounds, in the presence of one or more palladium containing catalytic components; thereby forming one or more carbazoles represented by formula (3) below is provided.
    Type: Application
    Filed: May 27, 2016
    Publication date: August 16, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Chunming Zhang, Arvind Jaganathan, Heqi Pan, Philip Fontaine, Jerzy Klosin
  • A PROCESS FOR THE PREPARATION OF BIS(CHLOROMETHYL)DICHLOROSILANE AND BIS(CHLOROMETHYL)(ARYL)CHLOROSILANE
    Publication number: 20180155369
    Abstract: The instant invention provides a process for the preparation of bis(chloromethyl)dichlorosilane (BCMCS) or bis(chloromethyl) (aryl)chlorosilane (BCMACS) comprising reacting bis(chloromethyl) diphenylsilane and one or more chloride compounds in the presence of a Lewis acid in an inert solvent and under an inert atmosphere.
    Type: Application
    Filed: May 25, 2016
    Publication date: June 7, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Chunming Zhang, Heqi Pan, Jerzy Klosin, Philip Fontaine, David Wilson
  • Banjo wood ring alteration
    Publication number: 20060011041
    Abstract: This invention, the Banjo Wood Ring Alteration, alters the five string banjo's wooden ring (rim) by drilling a series of 64 holes in the ring structure at various diameters, depths and locations. This is performed, on standard size wooden banjo rings, with common drill presses, portable drills, and drill bits.
    Type: Application
    Filed: April 12, 2005
    Publication date: January 19, 2006
    Inventors: James Barrett, Philip Fontaine