Lydia KRÖGER

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Koln, DE

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Patents Applicationslast 30 patents

Information Patent Application
INDICATOR SYSTEM
- Publication number 20200232928
- Publication date Jul 23, 2020
- COVESTRO DEUTSCHLAND AG
- Jan WEIKARD
- G01 - MEASURING TESTING
Information Patent Application
ACID INDICATOR SYSTEM
- Publication number 20200172743
- Publication date Jun 4, 2020
- COVESTRO DEUTSCHLAND AG
- Jan WEIKARD
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...