Senior Scientist
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Dr. P Thanikaivelan Senior Scientist |
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| back | Publications | Sigificiant Contributions | |
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| Patents filed / applied | |
| 1 | A process for the preparation of a novel chromium-iron complex for use in leather industry and the novel chromium-iron complex prepared thereby J.Raghava Rao, K.J.Sreeram, P.Thanikaivelan, B.U.Nair and T.Ramasami Indian Patent 446DEL99, (1999) |
| 2 | An improved process for the preparation of a tanning agent P.Thanikaivelan, J.Raghava Rao, M. Kanthimathi, B.U.Nair and T.Ramasami Applied for Indian Patent (CSIR Ref. No. NF240/2000), (2000) |
| 3 | A process for the preparation of a novel synthetic tanning agent M. Kanthimathi, P.Thanikaivelan, K.J.Sreeram, J.Raghava Rao, R. Sundaram, B.U.Nair and T. Ramasami Applied for Indian Patent (CSIR Ref. No. NF196/00), (2000) |
| 4 | A process for the preparation of a novel synthetic aluminium tanning agent M. Kanthimathi, P.Thanikaivelan, J.Raghava Rao, B.U.Nair and T.Ramasami Applied for Indian and PCT Patent, 2001 |
| 5 | A process for the preparation of a synthetic tanning agent M. Kanthimathi, P.Thanikaivelan, J. Raghava Rao, B. U. Nair and T.Ramasami Applied for Indian and PCT Patent (CSIR Ref. No. NF/0), (2002) |
| 6 | A novel three step bioprocess in leather processing P.Thanikaivelan, J. Raghava Rao, B. U. Nair and T.Ramasami Applied for Indian and PCT Patent (CSIR Ref. No. NF/0), (2002) |
| 7 | An eco-friendly bio-process for leather processing, P.Thanikaivelan, J. Raghava Rao, B. U. Nair and T.Ramasami, Indian Patent, 1523/DELNP/2005, (2002) |
| 8 | A novel transposed process for making leather, S. Saravanabhavan, P.Thanikaivelan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, Applied for Indian and PCT Patent, 389/DELNP/2004, (2003) |
| 9 | A novel dehairing and fibre opening process for complete elimination of lime and sodium sulfide, S. Saravanabhavan, P.Thanikaivelan, J. R. Rao, B. U. Nair and T. Ramasami, Applied for Indian and PCT Patent, 1536/DEL/2003, (2003)) |
| 10 | A novel bio-tanning process for leather making, S. Saravanabhavan, P.Thanikaivelan, J. R. Rao, B. U. Nair and T. Ramasami, Applied for Indian and PCT Patent (CSIR Ref. No. NF393/04), (2004) |
| 11 | A process for the preparation of bio-tanning agent, P.Thanikaivelan, S. Saravanabhavan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, Applied for Indian and PCT Patent (CSIR Ref. No. NF425/04), (2004) |
| 12 | A novel single step process for dehairing and fibre opening using enzymes, P.Thanikaivelan, S. Saravanabhavan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, Applied for Indian and PCT Patent, 197/DEL/2007, (2005) |
| 13 | A process for the preparation of a mixture of carbonaceous products from proteinaceous materials, P.Thanikaivelan, A. M. Thiruvilan, B. Chandrasekaran, J. R. Rao and B. U. Nair, Applied for Indian and PCT Patent, 1625/DEL/2007, (2006) |
| 14 | A process for the preparation of sheets from proteinous sources, M. Ashokkumar, P.Thanikaivelan, B. Chandrasekaran, Applied for Indian and PCT Patent (CSIR Ref. No. 0068NF2009), (2009) |
| 15 | A novel electrically conducting composite and a process for the preparation thereof, M. Ashokkumar, A. Anumary, R. Murali, P.Thanikaivelan, B. Chandrasekaran, Applied for Indian and PCT Patent, 209DEL2011, (2010) |
| Indian Patents Granted | |
| 1 | A process for the preparation of a novel chromium-iron complex for use in leather industry, J.Raghava Rao, K.J.Sreeram, P.Thanikaivelan, B.U.Nair and T.Ramasami, Indian Patent IN216560, 2008. |
| 2 | An improved process for the preparation of a tanning agent, P.Thanikaivelan, J.Raghava Rao, M. Kanthimathi, B.U.Nair and T.Ramasami, Indian Patent IN217687, 2008. |
| 3 | A process for the preparation of novel synthetic aluminium tanning agent, M. Kanthimathi, P.Thanikaivelan, J.Raghava Rao, B.U.Nair and T.Ramasami, Indian Patent, IN221968, 2008. |
| 4 | A process for the preparation of a synthetic tanning agent, M. Kanthimathi, P.Thanikaivelan, J. Raghava Rao, B. U. Nair and T.Ramasami, Indian Patent IN197556, 2008. |
| 5 | A novel three step bioprocess in leather processing, P.Thanikaivelan, J. Raghava Rao, B. U. Nair and T.Ramasami, Indian Patent, IN225351, 2008. |
| 6 | A transposed process for making wet processed leather, S. Saravanabhavan, P.Thanikaivelan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, Indian Patent IN225353, 2008. |
| 7 | A process for the preparation of a novel synthetic tanning agent, M. Kanthimathi, P.Thanikaivelan, K.J.Sreeram, J.Raghava Rao, R. Sundaram, B.U.Nair and T. Ramasami, Indian Patent IN244012, 2010. |
| 8 | An eco-friendly bio-process for leather processing, P.Thanikaivelan, J. Raghava Rao, B. U. Nair and T.Ramasami, Indian Patent, IN242841, 2010. |
| 9 | A novel dehairing and fibre opening process for complete elimination of lime and sodium sulfide, S. Saravanabhavan, P.Thanikaivelan, J. R. Rao, B. U. Nair and T. Ramasami, Indian Patent IN238963, 2010. |
| 10 | Bio-tanning process for leather making, S. Saravanabhavan, P.Thanikaivelan, J. R. Rao, B. U. Nair and T. Ramasami, Indian Patent IN244713, 2010. |
| 11 | A process for the preparation of bio-tanning agent, P.Thanikaivelan, S. Saravanabhavan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, Indian Patent IN244982, 2010. |
| 12 | An improved process for dehairing and fibre opening of hide/skin, P.Thanikaivelan, S. Saravanabhavan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, Indian Patent Published, 197/DEL/2007, (2005). |
| 13 | A process for the preparation of a mixture of carbonaceous products from proteinaceous materials, P.Thanikaivelan, A. M. Thiruvilan, B. Chandrasekaran, J. R. Rao and B. U. Nair, Indian Patent Published, 1625/DEL/2007, (2006). |
| 14 | An improved process for the preparation of sheets from proteinous sources, P.Thanikaivelan, B. Chandrasekaran,M. Ashokkumar, Indian Patent Published,1718/DEL/2009, (2009). |
| International Patents Granted | |
| 1 | Bio-tanning process for leather making, S. Saravanabhavan, P. Thanikaivelan, J. Raghava Rao, B. U. Nair and T. Ramasami, US 7651531, 2010. |
| 2 | A process for the preparation of a mixture of carbonaceous products from proteinaceous materials, P.Thanikaivelan, A. M. Thiruvilan, B. Chandrasekaran, J. R. Rao and B. U. Nair, WO2009016649, 2009. |
| 3 | An improved process for dehairing and fibre opening of hide/skin, P.Thanikaivelan, S. Saravanabhavan, J. R. Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, CN101484591, 2009; WO2008093353, 2008; DE1120070018275, 2007 |
| 4 | Process for the preparation of bio-tanning agent, P. Thanikaivelan, S. Saravanabhavan, J. Raghava Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, EP1844107, 2007; CN101090946, 2007; US20060137103, 2006 |
| 5 | Process for preparing a synthetic aluminium tanning agent, M. Kanthimathi, P. Thanikaivelan, J. Raghava Rao, B. U. Nair and T. Ramasami, US7169191, 2007; WO2004057036, 2004; EP1576196, 2005; CN1720337, 2006; AU2002348767, 2007. |
| 6 | Process for the preparation of a formaldehyde-free synthetic tanning agent, M. Kanthimathi, P. Thanikaivelan, J. Raghava Rao, B. U. Nair and T. Ramasami, US7118603, 2006 |
| 7 | Transposed process for making leather, S. Saravanabhavan, P. Thanikaivelan, J. Raghava Rao, B. Chandrasekaran, B. U. Nair and T. Ramasami, US7033402, 2006; EP1697548, 2006; BR0318684, 2006; AU2003298467, 2005; KR1020060127416, 2006. |
| 8 | A process for the preparation of a synthetic tanning agent, M. Kanthimathi, P. Thanikaivelan, J. Raghava Rao, B. U. Nair and T. Ramasami, EP1656460, 2006; AU2003250493, 2005 |
| 9 | Dehairing and fibre opening process for complete elimination of lime and sodium sulfide, S. Saravanabhavan, P. Thanikaivelan, J. Raghava Rao, B. U. Nair and T. Ramasami, US6957554, 2005; WO2005049871, 2005; AU2003280066, 2005; KR1020060117339, 2006 |
| 10 | An ecofriendly bio-process for leather processing, P. Thanikaivelan, J. Raghava Rao, B. U. Nair and T. Ramasami, US6708531, 2004; EP1565584, 2005; CN1708590, 2005; WO2004040021, 2004; AU2003274440, 2004 |
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