Michael Stumpp — 5 Patents at Basf Se

Michael Stumpp has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 1989 and the most recent in January 1992. Michael Stumpp ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Michael Stumpp in Ludwigshafen, DE.

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Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
5082973	Process for the preparation of bis(4-chlorophenyl) sulfone	Peter Neumann, Heinz Eilingsfeld	1992-01-21
5072049	Process for the preparation of bis(4-hydroxyphenyl) sulfone	Peter Neumann, Bernd Hupfeld, Helmut Reichelt	1991-12-10
5059715	Preparation of bis(4-hydroxyphenyl)sulfone	Peter Neumann, Wolfgang Ruehenback, Michael Bergner	1991-10-22
4983773	Preparation of bis-(4-chlorophenyl) sulfone	Peter Neumann, Heinz Eilingsfeld	1991-01-08
4873372	Isolation of 4,4'-dichlorodiphenyl sulfone	Gerhard Schaefer, Heinz Eilingsfeld, Peter Neumann	1989-10-10

Michael Stumpp — 5 Patents

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