Hemant Parikh

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Harriman, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for providing homogeneous copolymers of vinylpyrrolidone an...
- Patent number 5,395,904
- Issue date Mar 7, 1995
- ISP Investments Inc.
- Yuanzhen Zhong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of vinylpyrrolidone/vinyl acetate copol...
- Patent number 5,319,041
- Issue date Jun 7, 1994
- ISP Investments Inc.
- Yuanzhen Zhong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...