In Woo CHEONG

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Daegu-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Calcium carbonate having a surface charge, the preparing process th...
- Patent number 8,859,663
- Issue date Oct 14, 2014
- Hankuk Paper Mfg. Co., Ltd.
- Dong Ho Yoon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
CALCIUM CARBONATE HAVING A SURFACE CHARGE, THE PREPARING PROCESS TH...
- Publication number 20130164206
- Publication date Jun 27, 2013
- HANKUK PAPER MFG, CO, LTD.
- Dong Ho YOON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE