Method for producing bisphenol catalysts and bisphenols

Invention Grant

US06620939B2 Method for producing bisphenol catalysts and bisphenols 失效

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Patent Title: Method for producing bisphenol catalysts and bisphenols
Application No.: US09954909

Application Date: 2001-09-18
Publication No.: US06620939B2

Publication Date: 2003-09-16
Inventor: Jimmy Lynn Webb , James Lawrence Spivack
Applicant: Jimmy Lynn Webb , James Lawrence Spivack
Main IPC: C07C3720
IPC: C07C3720

Method for producing bisphenol catalysts and bisphenols

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.

Public/Granted literature

US20030088130A1 Method for producing bisphenol catalysts and bisphenols Public/Granted day:2003-05-08

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