Growing community of inventors

Erkrath, Germany

Dietmar Colignon

Average Co-Inventor Count = 5.83

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 = 27

Dietmar ColignonWolfgang Schmidt (6 patents)Dietmar ColignonGuenter Panthel (6 patents)Dietmar ColignonNorbert Wrede (4 patents)Dietmar ColignonErich Dorra (4 patents)Dietmar ColignonKarl Heinz Schmid (2 patents)Dietmar ColignonRobert Piorr (2 patents)Dietmar ColignonHans J Rommerskirchen (2 patents)Dietmar ColignonHorst Ritterbex (2 patents)Dietmar ColignonHerbert Lepper (1 patent)Dietmar ColignonFrancois Pierron (1 patent)Dietmar ColignonDietmar Colignon (6 patents)Wolfgang SchmidtWolfgang Schmidt (10 patents)Guenter PanthelGuenter Panthel (8 patents)Norbert WredeNorbert Wrede (6 patents)Erich DorraErich Dorra (4 patents)Karl Heinz SchmidKarl Heinz Schmid (67 patents)Robert PiorrRobert Piorr (25 patents)Hans J RommerskirchenHans J Rommerskirchen (6 patents)Horst RitterbexHorst Ritterbex (5 patents)Herbert LepperHerbert Lepper (4 patents)Francois PierronFrancois Pierron (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (6 from 2,080 patents)


6 patents:

1. 5391782 - Process for the production of highly concentrated pastes of

2. 5391783 - Process for the production of light-colored pastes of .alpha.-sulfofatty

3. 5384422 - Process for the production of light-colored .alpha.-sulfofatty acid

4. 5382677 - Process for the production of highly concentrated pastes of

5. 4990288 - Control of disalt in .alpha.-sulfofatty acid ester surfactants

6. 4695409 - Control of disalt in .alpha.-sulfofatty acid ester surfactants

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as of
12/7/2025
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