Usha Kiran

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Locknow, IN

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Patents Grantslast 30 patents

Information Patent Grant
Slow release urea fertilizer composition and a process for the prep...
- Patent number 6,336,949
- Issue date Jan 8, 2002
- Council of Scientific and Industrial Research
- Dharani Dhar Patra
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Formulation useful as a nitrification and urease inhibitor and a me...
- Patent number 6,315,807
- Issue date Nov 13, 2001
- Council of Scientific and Industrial Research
- Dharani Dhar Patra
- C05 - FERTILISERS MANUFACTURE THEREOF