


News & Events

News & Events
- Notification for engagement of Apprentices for the year 2025–26 for NCB-Hyderabad Unit (Receipt of Applications - Last Date 19.08.2025)
- Admission Notice - Round II & Spot Admission of One Year PG Diploma in Cement Technology (2025-26)
- List of Selected Candidates of One Year PG Diploma in Cement Technology (2025-26)
- Letter & List of Shortlisted Candidate for Written/Interview of One Year PG Diploma in Cement Technology (2025-26)
- NCB IC Event: Innovate Youth: Building Tomorrow's Entrepreneurs.
Consultancy services for getting NABL Accreditation as per ISO/IEC 17025:2017
Notice on Public Grievance
NCB – CCE EVENTS / Forthcoming Training Programmes
Proficiency Testing Schemes
NCCBM to host 17th International Congress on Chemistry of Cement (ICCC) in 2027 in New Delhi
Patents
Patents Granted
NCB patents in force as on 31st March 2012
1. A ceramic composition for preparing scientific potteryware and process of preparation thereof (Patent No. 248230)
Contributors: S Raina, K Mohan, K M Sharma, M M Ali, S K Chaturvedi, D Yadav and S K Agarwal
NCB patents in force as on 31st March 2014
1. A decorative plaster coating (Patent No. 251637)
Contributors: S Raina, K Mohan, K M Sharma, M M Ali, S K Chaturvedi and S K Agarwal
2. A ceramic body mix utilizing spent catalyst waste and a process for preparing the same
Contributors: S Raina, K Mohan, K M Sharma, M M Ali, S K Chaturvedi, D Yadav and S K Agarwal
Patents Filed
1. Decorative tiles utilizing marble dust and a process for preparation thereof (Application No. 2203)
Contributors: S Raina, K Mohan, K M Sharma, M M Ali, S K Chaturvedi, and S K Agarwal
2. Cement and flysh based aesthetic building bricks and tiles utilizing marble dust and a process for preparation thereof (Application No. 2204)
Contributors: S Raina, K Mohan, K M Sharma, M M Ali, S K Chaturvedi, D Yadav and S K Agarwal
3. A sintered aggregate and a process for manufacture thereof (Application No. 2675)
Contributors: M Vasudeva, M M Ali, S K Chaturvedi, P S Sharma and D Yadav
4. A process for the preparation of synthetic slag from low grade limestone and dolomite (Application No. 2235)
Contributors: Ashwani Pahuja, M M Ali, P S Sharma, S K Chaturvedi, V P Chatterjee, D Yadav, S K Agarwal (NCB) and T Tshering, U Kaflay (Penden Cement)
5. Marble dust as mineral additive in the manufacture of ordinary Portland cement (Application No. 2598)
Contributors: Ashwani Pahuja, M M Ali, P S Sharma, S K Agarwal and Ashish Goyal
6. Mineralizing effect of “barium sludge” An industrial by-product in the manufacture of ordinary Portland cement (Application No. 2599)
Contributors: Ashwani Pahuja, M M Ali, V P Chatterjee, S K Chaturvedi and S K Agarwal,
7. Rationalizing formulations and curing conditions for improving properties of hardened geopolymeric cements (Application No. 634)
Contributors: Ashwani Pahuja, M M Ali, R S Gupta, S Vanguri and V Liju
8. Investigations on the use of limestone mine rejects on the properties of OPC clinker and resultant cement (Application No. 1195)
Contributors: Ashwani Pahuja, M M Ali, V P Chatterjee, S K Chaturvedi and S K Agarwal,
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