Yuh-Loo Chang

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East Setauket, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Postive working multi-level photoresist
- Patent number 4,863,827
- Issue date Sep 5, 1989
- American Hoechst Corporation
- Sangya Jain
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY