Patents by Inventor Michael Chitty

Michael Chitty 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).

  • PORE STRUCTURE FOR SEPARATION OF ADENO-ASSOCIATED VIRUSES (AAVS) FROM THEIR AGGREGATES
    Publication number: 20260008027
    Abstract: Disclosed are methods of making a porous particle material for use as stationary media and related chromatographic separation devices utilizing the disclosed stationary media. The porous particle material has a pore volume that yields improved stability and column lifetime, and additionally has a modified surface, resulting in a surface modified porous particle material that improves the separation of AAVs from their aggregates in the samples to be tested.
    Type: Application
    Filed: September 12, 2025
    Publication date: January 8, 2026
    Inventors: Michael Chitty, Tivadar Farkas, Ismail Rustamov, James Song, Zhengfei Sun, Cal H. Weeks, Shilin Lok Yee Cheung
  • Pore structure for separation of adeno-associated viruses (AAVS) from their aggregates
    Patent number: 12434218
    Abstract: Disclosed are methods of making a porous particle material for use as stationary media and related chromatographic separation devices utilizing the disclosed stationary media. The porous particle material has a pore volume that yields improved stability and column lifetime, and additionally has a modified surface, resulting in a surface modified porous particle material that improves the separation of AAVs from their aggregates in the samples to be tested.
    Type: Grant
    Filed: March 8, 2024
    Date of Patent: October 7, 2025
    Assignee: Phenomenex, Inc.
    Inventors: Michael Chitty, Tivadar Farkas, Ismail Rustamov, James Song, Zhengfei Sun, Cal H. Weeks, Shilin Lok Yee Cheung
  • PORE STRUCTURE FOR SEPARATION OF ADENO-ASSOCIATED VIRUSES (AAVS) FROM THEIR AGGREGATES
    Publication number: 20250170553
    Abstract: Disclosed are methods of making a porous particle material for use as stationary media and related chromatographic separation devices utilizing the disclosed stationary media. The porous particle material has a pore volume that yields improved stability and column lifetime, and additionally has a modified surface, resulting in a surface modified porous particle material that improves the separation of AAVs from their aggregates in the samples to be tested.
    Type: Application
    Filed: March 8, 2024
    Publication date: May 29, 2025
    Inventors: Michael Chitty, Tivadar Farkas, Ismail Rustamov, James Song, Zhengfei Sun, Cal H. Weeks, Shilin Lok Yee Cheung
  • THERMAL TREATMENT METHODS FOR POROUS PARTICLES
    Publication number: 20240042417
    Abstract: Disclosed are methods for thermally treating a particle material which used in a chromatographic separation device. The particle material is thermally treated for purposes of controlling and reducing its porosity. Also disclosed are chromatographic separation devices utilizing the thermally treated particle material of the present invention.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 8, 2024
    Inventors: Michael Chitty, Arthur Roy Dixon, James Song, Zhengfei Sun, Zijie Wang, Yinfeng Zong
  • STATIONARY PHASE MATERIALS AND DEVICES USED IN SIZE EXCLUSION CHROMATOGRAPHY
    Publication number: 20240033714
    Abstract: Disclosed are methods of making a porous particle material for use as stationary media and related chromatographic separation devices utilizing the disclosed stationary media.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Inventors: Michael Chitty, Arthur Roy Dixon, JR., James Song, Zhengfei Sun, Zijie Wang, Yinfeng Zong
  • PH stable chromatographic media using templated multilayer organic/inorganic grafting
    Publication number: 20060070937
    Abstract: An advanced silica gel sorbent for use in chromatographic separations that has been chemically modified by surface polycondensation of a trifunctional and/or difunctional organosilane. The chromatographic media exhibits a wider pH range and improved pH stability as compared to other silica gel based sorbents, while retaining all other positive aspects attributed to silica gel based sorbents. A method of forming the advanced silica gel sorbent by Templated Multilayer Inorganic/Organic Grafting.
    Type: Application
    Filed: September 30, 2005
    Publication date: April 6, 2006
    Inventors: Ismail Rustamov, Michael Chitty, Tivadar Farkas, Lawrence Loo, Emmet Welch