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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael Dierolf — 1 Patent

TITicona: 1 patents #174 of 346Top 55%
Waldbrunn, DE: #13 of 34 inventorsTop 40%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Michael Dierolf has been granted 1 US patent while listed as an inventor at Ticona. All of these patents were granted in 2002. Michael Dierolf ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Michael Dierolf in Waldbrunn, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6369172 Process for using nitric acid to oxidize polyarylene sulfide to polyarylene sulfoxide Dirk Zierer, Helmut Scheckenbach 2002-04-09