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IN363996: An improved process for the synthesis of diphenyl methane catalysed by phosphorus pentoxide

The invention disclosed an environment friendly, cost effective and improved process for synthesis of diphenylmethane by reaction of benzene with P formaldehyde using phosphorus pentoxide (PO) as catalyst.
Patent No:
IN363996
Application No:
201611037020
Filing Date:
28-10-2016
Issue Date:
01-04-2021
Applicant:
CSIR-National Chemical Laboratory (CSIR-NCL), Pune
Inventor(s):
Sanjay Pandurang Kamble, Arumugam Sudalai
IPC Classification:
C07F
Country:
India
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