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SL No

Product/Process

Name of Country

Year

Patent Number

1

A process for manufacturing Zeolite-A, useful as a detergent builder.(NALCO-CSMRI joint patent

 India

 1997

 Filed Application No. NF26/97,dt 4.7.97

2

A Process For Preparation Of Alumina-Sillicate Zeolite Of Type Na-P(NALCO-NCL joint Patent)

India

1999

Filed Application No. NF158/98,dt 18.11.99

3

 An Improved Process for the production of wear Resistant Ceramic products using NALCO'S Fly Ash & Alumina (NALCO-NML joint patent)

India

 1999

 Filed

4

 An Aluminium Conductor Alloy with Improved conductivity and a process for the same.(NALCO-RRL Trivandrum Joint Patent)

India

1999

 Filed dt 22.10.99

5

 A Process For Manufacture Of Zeolite-A,useful as a Detergent Builder (NALCO+CSMCRI Joint Patent)  (INTERNATIONAL PATENT)

 China Australia Russia,USA Germany Romania Brazil West Indies Japan

 2000  Granted in China,Australia,Russia,Germany and France

 PCT/No 0130 dt 19.12.2000 -[Patent granted in China(patent No.00820120 X dt 19.12.2000 for 20 yrs) -[Patent granted in Australia(patent No.2001237708 dt 19.12.2000 for 20yrs) -[Patent granted in Russia(patent No.2248939 dt 19.12.2000 for 20yrs) -[Patent granted in EPO countries viz.Germany & France and being maintained(patent No.1351882 dt 19.12.2000 for 20 yrs) -Patent filed in other countries under examination

6

A Process Of Producing Wear Resistant Cast Iron by Smelting Reducing Of Waisted Products Like Red mud De-Silicate Sand (NALCO,IIT Kharagpur Joint Patent)

India

 2003

Filed Application No-405/KOL/2003 Dt 25.07.2003

7

 A Process For Production of Crystalline Boehmite by Precipitating from Super Saturated Sodium Alumina Liquor Under Atmospheric Condition at Temperature as Low as 50 degree Centigrade (NALCO-IMMT Joint Patent)

 India

 2005

 Filed   Application No.348/PUB/05 dt 07.07.2005 0907DEL2006 Dt 30.03.2006

8

A Process For Producing Ordinary Portland Cement From NALCO Red Mud (NALCO-NCB Ballavgarh Joint Patent)

India

2007

Filed Patent Application No-846/DEL/2007 Dated 17.04.2007

 

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