Slow release urea fertilizer composition and a process for the preparation of the said composition

US6336949B1 · kind B1 · utility

Assignee

• COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH · IN

Inventors

• Dharani Dhar Patra · Lucknow, IN
• Usha Kiran · Lucknow, IN
• Aparbal Singh · Lucknow, IN
• Krishna Kumar Agarwal · Lucknow, IN
• Suman Preet Singh Khanuja · Lucknow, IN
• Mohammad Fakhruddin Anwar · Lucknow, IN
• Sushil Kumar · Lucknow, IN

Key dates

• Filing date: Mar 5, 1999
• Grant date: Jan 8, 2002
• Expiry date: Mar 5, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S71/902
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A novel composition for a slow release nitrogenous fertilizer comprising about 0.5-1% of an inert material, 0.5-1% of essential oil or their derivatives on w/w basis and process for the preparation of the composition.