PATENTS GRANTED
Alginic acid/sodium alginate-based polymer as an organic binder in iron ore pelletization
Abhay Shankar Patra, Priyapratim Patra, Sagar Pal, Asim Kumar Mukherjee.
Indian Patent No : 548923
Date of Grant : 28.08.2024
[Patent Application No. 202131014773, dated 31.03.2021]
Carboxymethyl cellulose based polymer as an organic binder in iron ore pelletization
Biswajit Saha, Abhay Shankar Patra, Priyapratim Patra, Sagar Pal, Asim Kumar Mukherjee.
Indian Patent No : 532143
Date of Grant : 04.04.2024
[Patent Application No. 202131014760 dated 31.03.2021]
Amphoteric xanthan gum/SiO2 hybrid nanocomposite (Amp. XG/SiO2): Development and application of a novel adsorbent for removal of Congo red dye (CR dye) from aqueous solution
Sagar Pal, Soumitra Ghorai, A. Sarkar.
Indian Patent No : 516308
Date of Grant : 28.02.2024
[Patent Application No. 201831022160 dated 13.06.2018]
Biopolymeric super absorbent hydrogel and its preparation thereof
Sagar Pal, Priyapratim Patra
Indian Patent No : 440439
Date of Grant : 25.07.2023
[Patent Application No. 201831022160 dated 13.06.2018]
Synthesis of reagent based on β-cyclodextrin for the beneficiation of low-quality iron ore
Sagar Pal, Shankar Patra, Asim Kumar Mukherjee,
Priyapratim Patra
Indian Patent No : 412157
Date of Grant : 23.11.2022
[Patent Application No. 201831049337 dated 27.12.2018]
A flocculant for the reduction of pollutant content from mine process water
Sagar Pal, Abhay Shankar Patra
Indian Patent No : 378107
Date of Grant : 28.09.2021
[Patent Application No. 201731038017 dated 26.10.2017]
Process for manufacture of cationic amylopectin and method of flocculation
Ram Prakash Singh, Sagar Pal
Indian Patent No : 224777
Date of Grant : 22.10.2008
[Patent Application No. 483/KOL/2003 dated 17.09.2003]
Patents Filed
A modified polysaccharide based selective flocculant and method(s) thereof
Abhay Shankar Patra, Shaon Dey, Biswajit Saha, Asim Kumar Mukherjee,
Sagar Pal
International PCT Application No : PCT/IB2024/050842 dated 30.01.2024;
Indian Patent Application No : 202331006300 dated 31.01.2023
An injectable hydrogel with pH sensitivity and a process for the preparation thereof
Sagar Pal, Arpita Roy
Indian Patent Application No : 202331064343 dated 25.09.2023
A copolymeric reagent for treatment of coal tailings and a process for the preparation thereof
Shaon Dey, Abhay Shankar Patra, Sagar Pal
Indian Patent Application No : 202331055061 dated 17.08.2023
Selective flocculation of iron ore from mixtures of inorganic gangues using carboxymethyl amylopectin functionalized with poly (acrylic acid)
Sagar Pal, Amit Kumar Sarkar, Abhay Shankar Patra, N. R.
Mandre
Indian Patent Application No : 201631037148 dated 28.10.2016