Sven Welper

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing low-dust anionic surfactant concentrates in po...
- Patent number 5,536,430
- Issue date Jul 16, 1996
- Henkel Kommanditgesellschaft Auf Aktien
- Johann Fues
- F26 - DRYING