Ulrich Wallbaum

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Dollern, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing a bisphenol
- Patent number 5,288,926
- Issue date Feb 22, 1994
- The Dow Chemical Company
- Emil Patrascu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gel-type chelating resins and a process for removal of multi-valent...
- Patent number 4,895,905
- Issue date Jan 23, 1990
- The Dow Chemical Company
- Hans P. Schneider
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...