- An improved process for unhairing of hides and skins, No.380 Del 2000, 31.03.2000.
- A novel method for aqueous finishing of water proof leathers, No.221 Del 2001, Dt.27.02.2001.
- A novel process for preparation of dyed leather in more than one tone, No.363 Del 2001, Dt.27.03.2001.
- DERMAPRO-an expert system for project preparation and planning for leather manufacturing, No.SW-609 2002, Dt. 28.02.2002.
- An improved process for making chrome tanned leathers, No.177 Del 2002, Dt, 28.02.2002. (US/PCT Dt 28.02.2003)
- A process for preparation of leather like sheet and the sheet prepared thereby, No.752 Del 2002, Dt.16.07.2002.
- A process for Leather making using saline water, No.1000 Del 2003, Dt.14.08.2003 (US Dt 26.03.2004) (PCT Dt. 31.03.2004)
- An improved process for the preparation of wax emulsion for industrial applications, No.199 Del 2004, Dt.12.02.2004.
- An improved oxidative process for making Chamois Leather, No.312 Del 2004, Dt. 27.02.2004.
- A novel oxidative process for the unhairing of hides / skins, No.315 Del 2004, Dt.27.02.2004.
- An improved process for the preparation of a Tanning Agent, No.319 Del 2004, Dt.27.02.2004.
- A process for the preparation of a tanning cum dyeing agent Inventors : Patent Application No 324 Del 2004
- A process for the preparation of acrylate -amino acid nanoparticle copolymer dispersion for industrial applications. Inventors : Indian Patent Application No388Del2006
- An improved process for the recovery of common salt from salt cured raw hides/skins for reduction of total dissolved solids in the effluents Inventors : Indian Patent Application No 20041202
- An improved process for making iron tanned leather. Inventors : Indian Patent Application No 643Del2006
- A process for making iron tanned leather using natural polysaccharide Inventors Indian Patent Application No 645Del2006
- A novel solid separator Inventors :Indian Patent Application No 788Del2006
- A novel protease for industrial applications Inventors : Indian Patent Application No 2471Del2006 102007013950.2 (German Patent) 11/931,537 (US Patent)
- An Improved process for the preparation of Jatropha oil acrylic co – polymer for tanning applications, No.663 Del 2006, Dt. 10.03.2006.
- An improved process for producing leathers in more than one tone , 1764 DEL 2006 – Filed on 02.08.2006.
- Bioactive keratin-silica matrix and a process for the production thereof’ Inventors Indian Patent Application No 1241DEL2008
- “An improved process for making chamois leathers”, 205DEL 2008 – Filed on 25.01.2008.
- A novel alkaline protease and a process for the preparation thereof Inventors : Indian Patent Application No 2375Del2007
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