JP4531699: An improved process for the preparation of pure high quality 3,3',4,4'-tetraminobiphenyl

Filing Date: 26-06-2006

Issue Date: 18-06-2010

Applicant: CSIR-National Chemical Laboratory (CSIR-NCL), Pune

Patent No: JP4531699

Application No: 2005-512715

Inventor(s): Asif Maner, Bavikar Sudhir, Arumugam Sudalai, Swaminathan Sivaram

Country: Japan