Patents

US11225413: Process for production of hydrazine hydrate

A process for the production of concentrated aqueous solutions of hydrazine hydrate includes preparation of hydrazine hydrate by a ketazine method using 50-70% hydrogen peroxide, recyclable solid acetamide and ammonium acetate activator for ketazine formation, and catalyst-free hydrolysis of ketazine to provide aqueous solutions of hydrazine hydrate in an energy-efficient manner.

Filing Date: 20-03-2019

Issue Date: 18-01-2022

Applicant: CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad

Patent No: US11225413

Application No: 16335225

Inventor(s): Mamidpelliwar Pradeep Kumar; Kajjam Ravindranath; Madabhushi Radhakrishna; Ugle Ashutosh; Shobha Rajendra Pathak; Garikapati Vijaya Murthy; Thyagarajan Srinivasan; Gannoji Veeraiah; Mamilla Shyam Sunder; Vanka Uma Maheshwara Sarma; Yellamraju Parthasaradhy; Sunil Sinha; Manish Babulal Shah; Nikhilkumar Navinchandra Shah; Shailesh Ashabhai Patel; Gautam Punjabhai Patel

IPC Classification: C07C, C01B

Country: United States of America

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