Growing community of inventors

Langenfeld, Germany

Daniel Ullrich

Average Co-Inventor Count = 6.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Daniel UllrichEberhard Zirngiebl (28 patents)Daniel UllrichBernd Pennemann (21 patents)Daniel UllrichRalf Krahwinkel (2 patents)Daniel UllrichMartina Gerdinand (2 patents)Daniel UllrichHans-Jurgen Quella (2 patents)Daniel UllrichRainer Dost (2 patents)Daniel UllrichPatrick Kurr (2 patents)Daniel UllrichLennart Sandbrink (0 patent)Daniel UllrichHans-Jürgen Quella (0 patent)Daniel UllrichMarc Williams (0 patent)Daniel UllrichDaniel Ullrich (2 patents)Eberhard ZirngieblEberhard Zirngiebl (28 patents)Bernd PennemannBernd Pennemann (21 patents)Ralf KrahwinkelRalf Krahwinkel (5 patents)Martina GerdinandMartina Gerdinand (2 patents)Hans-Jurgen QuellaHans-Jurgen Quella (2 patents)Rainer DostRainer Dost (2 patents)Patrick KurrPatrick Kurr (2 patents)Lennart SandbrinkLennart Sandbrink (0 patent)Hans-Jürgen QuellaHans-Jürgen Quella (0 patent)Marc WilliamsMarc Williams (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Lanxess Deutschland Gmbh (1 from 383 patents)

2. Lanxess Corporation (1 from 98 patents)

3. Covestro Deutschland Ag (646 patents)


2 patents:

1. 11834385 - Method for producing N-methyl-p-toluidine for use as an additive for aviation gasoline

2. 10875823 - Method for producing N-methyl-p-toluidine for use as an additive for aviation gasoline

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as of
12/27/2025
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