IN289640: An improved process for the preparation of tetrabromobisphenol-A

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The invention relates to an improved process for the preparation of tetrabromobisphenol-A by reacting bisphenol-A with a novel recyclable potassium tribromide wrapped in poly(ethylene glycol) [PEG.KBr3] reagent in water at room temperature. The invention is particularly advantageous as it provides a novel approach for recycling of undesirable HBr generated during the bromination of bisphenol-A to Tetrabromobisphenol-A.

Patent No:: IN289640
Application No:: 2620DEL2010
Filing Date:: 02-11-2010
Issue Date:: 16-11-2017
Applicant:: CSIR-Indian Institute of Petroleum (CSIR-IIP), Dehradun
Inventor(s):: Jain Suman Lata, Verma Sanny, Sain Bir
IPC Classification:: C07C
Country:: India

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