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 UllrichRainer Dost (2 patents)Daniel UllrichHans-Jurgen Quella (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)Rainer DostRainer Dost (2 patents)Hans-Jurgen QuellaHans-Jurgen Quella (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 (644 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
12/6/2025
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