Patents by Inventor Ta-Chen Wei

Ta-Chen Wei 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).

  • Superficially porous particles and methods of making and using same
    Patent number: 7846337
    Abstract: Disclosed are porous-shell particles, methods of making the particles, and uses thereof. In one aspect, the porous-shell particles are superficially porous particles.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: December 7, 2010
    Assignee: Agilent Technologies, Inc.
    Inventors: Wu Chen, Ta-Chen Wei
  • TOTALLY POROUS PARTICLES AND METHODS OF MAKING AND USING SAME
    Publication number: 20100255310
    Abstract: Disclosed are totally porous particles, methods of making the particles, and uses thereof.
    Type: Application
    Filed: April 6, 2009
    Publication date: October 7, 2010
    Inventors: Wu Chen, Ta-Chen Wei
  • SUPERFICIALLY POROUS PARTICLES AND METHODS OF MAKING AND USING SAME
    Publication number: 20100206797
    Abstract: Disclosed are porous-shell particles, methods of making the particles, and uses thereof. In one aspect, the porous-shell particles are superficially porous particles.
    Type: Application
    Filed: February 17, 2009
    Publication date: August 19, 2010
    Inventors: Wu Chen, Ta-Chen Wei
  • Inorganic/Organic Hybrid Totally Porous Metal Oxide Particles, Methods For Making Them And Separation Devices Using Them
    Publication number: 20100055000
    Abstract: The present invention is a process for making an inorganic/organic hybrid totally porous spherical silica particles by self assembly of surfactants that serve as organic templates via pseudomorphic transformation.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 4, 2010
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventors: Ta-Chen Wei, Wu Chen, William E. Barber
  • Superficially Porous Metal Oxide Particles, Methods For Making Them, and Separation Devices Using Them
    Publication number: 20100051877
    Abstract: Micelle-templated superficially porous particles having a solid core and an outer porous shell with ordered pore structures and a narrow particle size distribution, such as about ±5% (one sigma), and a high specific surface area of about 5 to about 1000 m2/g.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 4, 2010
    Applicant: Agilent Technologies, Inc.
    Inventors: Ta-Chen Wei, Wu Chen, William E. Barber
  • POROUS SILICA MICROSPHERES HAVING ORGANOSILANE MODIFIED SURFACES
    Publication number: 20090311533
    Abstract: A method for preparing functionalized porous particles is disclosed, the method comprising contacting a plurality of porous silica particles with water, at least one of an ionic fluoride such as HF or NH4F or a basic activator, and a multifunctional organosilane. Also disclosed are functionalized porous silica particles produced from the methods disclosed herein.
    Type: Application
    Filed: June 12, 2009
    Publication date: December 17, 2009
    Inventors: Wu Chen, Ta-Chen Wei