Growing community of inventors

Konigstein/Taunus, Germany

Von Helmold Plessen

Average Co-Inventor Count = 2.00

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

Von Helmold Plessen ↔ Siegbert Rittner (1 patent)Von Helmold PlessenVon Helmold Plessen (1 patent)Siegbert RittnerSiegbert Rittner (25 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hoechst Aktiengesellschaft (1 from 6,662 patents)


1 patent:

1. 5081263 - Dioxane adducts of aromatic meta- or para-hydroxy-carboxlic acids

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