Growing community of inventors

Burscheid, Germany

Hans-Jurgen Pettelkau

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 16

Hans-Jurgen PettelkauRudolf Hombach (1 patent)Hans-Jurgen PettelkauGerhard Hohmann (1 patent)Hans-Jurgen PettelkauHeinz Esser (1 patent)Hans-Jurgen PettelkauWilfried Keller (1 patent)Hans-Jurgen PettelkauKarl Nothen (1 patent)Hans-Jurgen PettelkauBodo Ehrig (1 patent)Hans-Jurgen PettelkauDietrich Rosahl (1 patent)Hans-Jurgen PettelkauHans-Jurgen Pettelkau (4 patents)Rudolf HombachRudolf Hombach (22 patents)Gerhard HohmannGerhard Hohmann (13 patents)Heinz EsserHeinz Esser (7 patents)Wilfried KellerWilfried Keller (4 patents)Karl NothenKarl Nothen (3 patents)Bodo EhrigBodo Ehrig (2 patents)Dietrich RosahlDietrich Rosahl (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (4 from 12,157 patents)


4 patents:

1. 4163091 - Process for the polymerization of chloroprene

2. 4155891 - Process for the production of a polychloroprene latex which is stable to

3. 4125697 - Process for the production of polychloroprene

4. 4104272 - Process for the production of concentrated polychloroprene latices

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as of
12/6/2025
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