Richard Keosian

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Nazareth, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
193 nm positive-working photoresist composition
- Patent number 6,060,212
- Issue date May 9, 2000
- Clariant Finance (BVI) Limited
- Iain McCulloch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble negative-working photoresist composition
- Patent number 5,998,092
- Issue date Dec 7, 1999
- Clariant International, Ltd.
- Iain McCulloch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...