Patents by Inventor Lawrence F. Mullan

Lawrence F. Mullan 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).

  • Method of producing hydrofluorocarbons
    Patent number: 7371905
    Abstract: A process for producing fluorinated C1 HFCs comprising fluorinating a reactive organic compound to produce a reaction product comprising at least the desired C1 HFC, unreacted reactive organic compound and a byproduct having a boiling point between the boiling point of said desired hydrofluorocarbon compound and said reactive organic compound; and removing from the reaction product at least a substantial portion of the byproduct to produce a high purity product stream.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: May 13, 2008
    Assignee: Honeywell International Inc.
    Inventors: Rajat S. Basu, Lawrence F. Mullan, Peter H. Scheidle, Steven J. Bass, Addison M. Smith
  • Preparation of mixed-halogen halo-silanes
    Patent number: 7030260
    Abstract: The preparation of halosilanes having mixed-halogen substituents is described comprising providing an aryl-halo-silane having one more first halogens and one or more aryl groups, and substituting one or more of said aryl groups of said aryl-halo-silane with a second halogen having an atomic number greater than that of said first halogen.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: April 18, 2006
    Assignee: Honeywell International Inc.
    Inventors: Edward Asirvatham, Jeff Czarnecki, Matthew H. Luly, Lawrence F. Mullan, Alagappan Thenappan
  • Preparation of mixed-halogen halo-silanes
    Publication number: 20040019231
    Abstract: The preparation of halosilanes having mixed-halogen substituents is described comprising providing an aryl-halo-silane having one more first halogens and one or more aryl groups, and substituting one or more of said aryl groups of said aryl-halo-silane with a second halogen having an atomic number greater than that of said first halogen.
    Type: Application
    Filed: February 27, 2003
    Publication date: January 29, 2004
    Inventors: Edward Asirvatham, Jeff Czarnecki, Matthew H. Luly, Lawrence F. Mullan, Alagappan Thenappan