Ik-Sun Choi

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Base paper for eco-friendly paper cups
- Patent number 11,840,807
- Issue date Dec 12, 2023
- Hankuk Paper Mfg. Co., Ltd.
- Ik-Sun Choi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Base Paper for Eco-Friendly Paper Cups
- Publication number 20210285157
- Publication date Sep 16, 2021
- Hankuk Paper MFG CO., LTD
- Ik-Sun Choi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for Manufacturing a Base Paper for Eco-Friendly Paper Cups
- Publication number 20210285158
- Publication date Sep 16, 2021
- Hankuk Paper MFG CO., LTD
- Ik-Sun Choi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE