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USPTO Patent Rankings Data through Dec 31, 2025
MA

Michael Acker — 14 Patents

Basf Se: 14 patents #1,135 of 13,826Top 9%
Heidelberg, DE: #119 of 2,101 inventorsTop 6%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Michael Acker has been granted 14 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in January 2024. Michael Acker ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Michael Acker in Heidelberg, DE.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11884611 Reactor for carrying out a gas-liquid two-phase high-pressure reaction with a foaming medium Oliver Bey, Peter Zehner, Rocco Paciello, Mathias Schelwies, Martin Haubner +4 more 2024-01-30
11529607 Reactor for carrying out a reaction between two non-miscible fluids of different densities Oliver Bey, Peter Zehner, Mathias Schelwies, Rocco Paciello, Martin Haubner +4 more 2022-12-20
11091424 Preparation of acetate compounds via a ketene compound Volker Hickmann, Sumana Roy, Dominik Herbrecht, Wolfgang Krause, Ralf Boehling +3 more 2021-08-17
6084099 Preparation of N,N'-dialkylperylene-3,4,9,10-tetracarboxylic acid diimides Claus Hackmann, Georg Henning, Siegfried Mensch 2000-07-04
5338848 Indolizinetrimethine dyes Bernhard Albert, Michael Schmitt 1994-08-16
5245058 Preparation of 1-nitroanthraquinone-2-carboxylic acids Helmut Hagen, Jacques Dupuis, Udo Bergmann 1993-09-14
5235573 Repositioning laser beams in information storage media Klaus D. Schomann, Peter Hammerschmitt, Sibylle Brosius, Kal-Heinz Feuerherd, Bernhard Albert +1 more 1993-08-10
5221751 Heterocyclic polymethine dyes with carbamate or amide groups Bernhard Albert, Sibylle Brosius, Klaus D. Schomann, Harald Kuppelmaier 1993-06-22
5166359 Azulenemethine dyes and an optical recording medium containing the novel dyes Peter Neumann, Wolfgang Schrott, Matthias Dust 1992-11-24
5093492 Methine dyes and optical recording medium containing same Mathias Dust, Peter Neumann, Sibylle Brosius, Klaus D. Schomann, Harald Kuppelmaier 1992-03-03
5064702 Quinoxalinepentamethine dyes and optical recording medium containing same Peter Neumann, Bernhard Albert, Sibylle Brosius, Klaus D. Schomann, Harald Kuppelmaier 1991-11-12
5002863 Naphtholactamtrimethine dyes and optical recording medium containing same Matthias Dust, Peter Neumann, Heidi Benthack-Thoms, Klaus D. Schomann, Harald Kuppelmaier 1991-03-26
4966798 Optical recording medium Sibylle Brosius, Helmut Barzynski, Karl-Heinz Feuerherd, Wolfgang Schrott, Bernhard Albert +3 more 1990-10-30
4917989 Optical recording medium which has a reflector layer containing a silicon-phthalocyanine derivative Bernhard Albert, Peter Hauser, Wolfgang Schrott, Gerhard Wagenblast 1990-04-17