Growing community of inventors

Leverkusen, Germany

Sigrun Stein

Average Co-Inventor Count = 4.00

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 = 5

Sigrun SteinMatthias Soddemann (2 patents)Sigrun SteinDaniel Gordon Duff (2 patents)Sigrun SteinStefanie Eiden (1 patent)Sigrun SteinKarl-Robert Boos (6 patents)Sigrun SteinLars Krueger (2 patents)Sigrun SteinDaniel Rudhardt (1 patent)Sigrun SteinReiner Witkowski (3 patents)Sigrun SteinSven Bach (1 patent)Sigrun SteinGertrud Ott (1 patent)Sigrun SteinMatthias Ruhland (1 patent)Sigrun SteinMatthias Soddemann (0 patent)Sigrun SteinEvgeny Avtomonov (0 patent)Sigrun SteinSigrun Stein (3 patents)Matthias SoddemannMatthias Soddemann (8 patents)Daniel Gordon DuffDaniel Gordon Duff (8 patents)Stefanie EidenStefanie Eiden (10 patents)Karl-Robert BoosKarl-Robert Boos (6 patents)Lars KruegerLars Krueger (4 patents)Daniel RudhardtDaniel Rudhardt (4 patents)Reiner WitkowskiReiner Witkowski (3 patents)Sven BachSven Bach (1 patent)Gertrud OttGertrud Ott (1 patent)Matthias RuhlandMatthias Ruhland (1 patent)Matthias SoddemannMatthias Soddemann (0 patent)Evgeny AvtomonovEvgeny Avtomonov (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lanxess Deutschland Gmbh (2 from 383 patents)

2. Covestro Deutschland Ag (1 from 646 patents)

3. Bayer Intellectual Property Gmbh (721 patents)

4. Arlanxeo Deutschland Gmbh (85 patents)


3 patents:

1. 9540524 - Production of dispersions containing carbon nanotubes

2. 9120918 - Fine-particle, stable suspensions of functionalized, completely or partially hydrogenated nitrile rubbers

3. 8642687 - Fine-particle, stable suspensions of functionalized, completely or partially hydrogenated nitrile rubbers

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as of
12/25/2025
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