Nugraha Yohanes Arifpin

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Bandung, ID

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Patents Grantslast 30 patents

Information Patent Grant
Wastewater treatment process for removing chemical oxygen demand
- Patent number 10,252,926
- Issue date Apr 9, 2019
- Ecolab USA Inc.
- Nugraha Yohanes Arifpin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
USE OF A CHLORINE DIOXIDE PRECURSOR FOR CONTROLLING ION METABOLISM...
- Publication number 20230183111
- Publication date Jun 15, 2023
- ECOLAB USA INC.
- Amit GUPTA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
WASTEWATER TREATMENT PROCESS FOR REMOVING CHEMICAL OXYGEN DEMAND
- Publication number 20170057849
- Publication date Mar 2, 2017
- ECOLAB USA INC.
- Nugraha Yohanes Arifpin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE