Inventor · disambiguated record
Michael Stumpp
Also filed as: STUMPP MICHAEL
5 granted patents·75 citations·filing 1988–1991
81Inventor score
Technology areasC07C
Files withBASF AG5
Top patents by PatentIndex Score
5 records- 0191US4983773APreparation of bis-(4-chlorophenyl) sulfoneBASF AG·Filed 1989·Granted Jan 8, 1991·34 cites·3 claims
- 0283US4873372AIsolation of 4,4'-dichlorodiphenyl sulfoneBASF AG·Filed 1988·Granted Oct 10, 1989·19 cites·6 claims
- 0374US5082973AProcess for the preparation of bis(4-chlorophenyl) sulfoneBASF AG·Filed 1990·Granted Jan 21, 1992·13 cites·10 claims
- 0461US5072049AProcess for the preparation of bis(4-hydroxyphenyl) sulfoneBASF AG·Filed 1990·Granted Dec 10, 1991·7 cites·8 claims
- 0535US5059715APreparation of bis(4-hydroxyphenyl)sulfoneBASF AG·Filed 1991·Granted Oct 22, 1991·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →