Patents by Inventor Ben Gammill

Ben Gammill 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 and system for bisphenol a production using water
    Patent number: 6033635
    Abstract: Methods/systems for making a relatively high-purity bisphenol A product from phenol and acetone. Controlled turbulence is used to form bisphenol A adduct solids having improved physical properties. Phenol is separated from the bisphenol A product while inhibiting decomposition of bisphenol A.
    Type: Grant
    Filed: November 4, 1998
    Date of Patent: March 7, 2000
    Inventor: Ben Gammill
  • Method and system for bisphenol a production using water
    Patent number: 5959158
    Abstract: Methods/systems for making a relatively high-purity bisphenol A product from phenol and acetone. Controlled turbulence is used to form bisphenol A adduct solids having improved physical properties. Phenol is separated from the bisphenol A product while inhibiting decomposition of bisphenol A.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: September 28, 1999
    Inventor: Ben Gammill
  • Method and system for bisphenol a production using controlled turbulence
    Patent number: 5874644
    Abstract: Methods/systems for making a relatively high-purity bisphenol A product from phenol and acetone. Controlled turbulence is used to form bisphenol A adduct solids having improved physical properties. Phenol is separated from the bisphenol A product while inhibiting decomposition of bisphenol A.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: February 23, 1999
    Inventor: Ben Gammill