Patents by Inventor Nathaniel E. David

Nathaniel E. David 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).

  • Compositions and Methods for Preventing and Treating Skin and Hair Conditions
    Publication number: 20080044439
    Abstract: The present invention discloses compositions and methods for the prevention and treatment of skin and hair diseases, such as, for example, alopecia, psoriasis, and keloids. The present invention also relates to compositions and methods for altering skin coloration. The present invention also relates to methods for enhancing the effect of a neurotoxin.
    Type: Application
    Filed: February 25, 2005
    Publication date: February 21, 2008
    Inventor: Nathaniel E. David
  • Microvolume crystallization method employing multiple lumens
    Patent number: 6872250
    Abstract: A method for determining crystallization conditions for a material, the method comprising: taking a microfluidic device comprising one or more lumens having microvolume dimensions and a plurality of different crystallization samples within the one or more lumens, the plurality of crystallization samples comprising a material to be crystallized and crystallization conditions that vary among the plurality of crystallization samples; transporting the plurality of different crystallization samples within the lumens; and identifying a precipitate or crystal formed in the one or more lumens.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: March 29, 2005
    Assignee: Syrrx, Inc.
    Inventors: Peter R. David, Nathaniel E. David
  • In situ crystal growth and crystallization
    Patent number: 6719840
    Abstract: A method is provided for determining crystallization conditions for a material, the method comprising: taking a plurality of different crystallization samples in an enclosed microvolume, the plurality of crystallization samples comprising a material to be crystallized and crystallization conditions which vary among the plurality of crystallization samples; allowing crystals of the material to form in plurality of crystallization samples; and identifying which of the plurality of crystallization samples form crystals.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: April 13, 2004
    Assignee: Syrrx, Inc.
    Inventors: Peter R. David, Nathaniel E. David
  • Microvolume crystallization method employing multiple lumens
    Publication number: 20020195046
    Abstract: A method for determining crystallization conditions for a material, the method comprising: taking a microfluidic device comprising one or more lumens having microvolume dimensions and a plurality of different crystallization samples within the one or more lumens, the plurality of crystallization samples comprising a material to be crystallized and crystallization conditions that vary among the plurality of crystallization samples; transporting the plurality of different crystallization samples within the lumens; and identifying a precipitate or crystal formed in the one or more lumens.
    Type: Application
    Filed: December 18, 2001
    Publication date: December 26, 2002
    Inventors: Peter R. David, Nathaniel E. David
  • In situ crystal growth and crystallization
    Publication number: 20020189529
    Abstract: A method is provided for determining crystallization conditions for a material, the method comprising: taking a plurality of different crystallization samples in an enclosed microvolume, the plurality of crystallization samples comprising a material to be crystallized and crystallization conditions which vary among the plurality of crystallization samples; allowing crystals of the material to form in plurality of crystallization samples; and identifying which of the plurality of crystallization samples form crystals.
    Type: Application
    Filed: June 8, 2001
    Publication date: December 19, 2002
    Inventors: Peter R. David, Nathaniel E. David