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USPTO Patent Rankings Data through Sept 30, 2025
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Stefan Birnbach — 11 Patents

Basf Se: 11 patents #1,483 of 13,826Top 15%
Dirmstein, DE: #3 of 32 inventorsTop 10%
Overall (All Time): #461,658 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9249029 Single chamber vaporizer and use thereof in chemical synthesis Ralf Boehling, Michael Schipper, Peter Petersen, Achim Gritsch, Alois Wellisch +3 more 2016-02-02
6265592 Method for the continuous production of 1,3-dioxolan-2-ones Toni Dockner, Jurgen Mohr, Regina Benfer, Walter Bieg, Jarren Peters +3 more 2001-07-24
5112530 Use of 2-hydroxy-3-aminopropionic acid derivatives as complexing agents, bleach stabilizers and builders in detergent compositions Richard Baur, Charalampos Gousetis, Michael Kneip, Alfred Oftring 1992-05-12
5082599 2-methyl- and 2-hydroxymethyl-serine-N,N-diacetic acid and derivatives thereof Alfred Oftring, Richard Baur, Charalampos Gousetis, Wolfgang Trieselt 1992-01-21
5025103 Glycerol aminocarboxylates and preparation and use thereof Alfred Oftring, Rolf Fikentscher, Richard Baur, Alexander Kud, Ulrich Goeckel +1 more 1991-06-18
5019296 Serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same Richard Baur, Felix Richter, Rolf Fikentscher, Alfred Oftring, Ekhard Winkler 1991-05-28
4994626 Method for the preparation of methyl ethers of polyether polyols employing dimethylsulfate as a methylating agent Ronald E. Greenough, Jay G. Otten, Jochen Houben 1991-02-19
4978805 Polyethers Richard Baur, Alfred Oftring, Ekhard Winkler 1990-12-18
4973730 Preparation of serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same Richard Baur, Felix Richter, Rolf Fikentscher, Alfred Oftring, Ekhard Winkler 1990-11-27
4922029 Etherification of polyoxyalkylene derivatives Josef Mueller, Klaus Wulz, Jochen Houben 1990-05-01
4827014 2-Hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same Richard Baur, Felix Richter, Rolf Fikentscher, Alfred Oftring, Ekhard Winkler +1 more 1989-05-02