Wolfgang OEHLERT

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Production of red iron oxide pigment
- Patent number 10,221,326
- Issue date Mar 5, 2019
- LANXESS Deutschland GmbH
- Waldemar Czaplik
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION OF RED IRON OXIDE PIGMENT
- Publication number 20160272836
- Publication date Sep 22, 2016
- LANXESS Deutschland GmbH
- Waldemar CZAPLIK
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...