Ho-Sung Choi

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Anyang-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Composition for removing polymer residue of photosensitive etching-...
- Patent number 7,858,572
- Issue date Dec 28, 2010
- Liquid Technology Co., Ltd.
- Ho-Sung Choi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
Composition for Removing Polymer Residue of Photosensitive Etching-...
- Publication number 20090170741
- Publication date Jul 2, 2009
- Ho-Sung Choi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY