Sangya S. Varma

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Bedminster, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Processless diacetylenic salt films capable of developing a black i...
- Patent number 6,177,578
- Issue date Jan 23, 2001
- ISP Investments Inc.
- David F. Lewis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processless diacetylenic salt films capable of developing a black i...
- Patent number 5,731,112
- Issue date Mar 24, 1998
- ISP Investments Inc.
- David F. Lewis
- C07 - ORGANIC CHEMISTRY