Intellectual Property India Publishes Patent Application for "sustainable Process For Manufacturing Slow-Release Amino Acid Based N-P-K Fertilizer Granules From Waste Human Hair Using Minerals, Heat, And Organic Binders Like Cow & Buffalo Dung".

MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202411094538 A) filed by Sumeet Singh; and Kritika Sharma on December 02, 2024, for "sustainable Process For Manufacturing Slow-Release Amino Acid Based N-P-K Fertilizer Granules From Waste Human Hair Using Minerals, Heat, And Organic Binders Like Cow & Buffalo Dung"..

Inventors include Sumeet Singh; and Kritika Sharma.

The application for the patent was published on June 12, 2026, under issue no. 24/2026.

Abstract: The present invention discloses a novel and chemical-free process for preparing slow-release N-P-K fertilizer granules from keratinous waste. The process includes washing and drying keratinous waste to remove contaminants and achieve 5–10% moisture; hydrothermal thermolysis of keratin using natural minerals such as rock potash, feldspar minerals, magnesium salts, and calcium salts under temperatures of 140–220°C for 2–4 hours, without any chemical reagents; producing a uniform amino-acid-rich hydrolysate, followed by incorporation of natural mineral sources such as rock phosphate and rock potash, and granulation using organic binders like cow and buffalo dung. The resulting granules release nutrients slowly through microbial degradation, offering an eco-friendly, cost-effective fertilizer solution suitable for organic farming and soil health enhancement.

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