Solid base catalyst and method for making and using the same

US9302259B2 · kind B2 · utility

Assignee

• Jiangsu Sinorgchem Technology Co., Ltd. · CN

Inventors

• Xinmin Chen · Longbeilingcun, CN
• Jianliang Zhu · 余新镇, CN

Key dates

• Filing date: Nov 21, 2012
• Grant date: Apr 5, 2016
• Expiry date: Oct 25, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C209/60
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A solid base catalyst having a carrier, an organic base, and an inorganic base. Both of the organic base and inorganic base are loaded on the carrier. The solid base catalyst is especially suitable for the synthesis of 4-Aminodiphenylamine (4-ADPA).