Patents by Inventor Brinda Balasubramaniam Lakshmi

Brinda Balasubramaniam Lakshmi 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).

  • Plasma treatment of porous materials
    Patent number: 7125603
    Abstract: The application discloses methods of plasma treatment that employ an ion sheath in a capacitively-coupled system to increase the hydrophilicity of porous articles, including microporous articles having pore sizes of 0.05 to 1.5 micrometers, both on their surfaces and in their pores such that the articles' bulk wetting properties are improved.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: October 24, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Moses Mekala David, Brinda Balasubramaniam Lakshmi
  • Plasma treatment of porous materials
    Patent number: 6878419
    Abstract: The application discloses methods of plasma treatment that employ an ion sheath in a capacitively-coupled system to increase the hydrophilicity of porous articles, including microporous articles having pore sizes of 0.05 to 1.5 micrometers, both on their surfaces and in their pores such that the articles' bulk wetting properties are improved.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: April 12, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Moses Mekala David, Brinda Balasubramaniam Lakshmi
  • Plasma treatment of porous materials
    Publication number: 20030138619
    Abstract: The application discloses methods of plasma treatment that employ an ion sheath in a capacitively-coupled system to increase the hydrophilicity of porous articles, including microporous articles having pore sizes of 0.05 to 1.5 micrometers, both on their surfaces and in their pores such that the articles' bulk wetting properties are improved.
    Type: Application
    Filed: December 14, 2001
    Publication date: July 24, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Moses Mekala David, Brinda Balasubramaniam Lakshmi