Patents Represented by Attorney, Agent or Law Firm Patricia K. Patnode
  • Method for producing bisphenol catalysts and bisphenols
    Patent number: 6620939
    Abstract: This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and its derivatives.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: September 16, 2003
    Assignee: General Electric Company
    Inventors: Jimmy Lynn Webb, James Lawrence Spivack