Growing community of inventors

Bad Schwalbach, Germany

Karl Van Werden

Average Co-Inventor Count = 2.67

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 = 7

Karl Van Werden ↔ Ralph R Dammel (1 patent)Karl Van Werden ↔ M Dalil Rahman (1 patent)Karl Van Werden ↔ David L Rentkiewicz (1 patent)Karl Van Werden ↔ Marlies Eltgen (1 patent)Karl Van WerdenKarl Van Werden (2 patents)Ralph R DammelRalph R Dammel (76 patents)M Dalil RahmanM Dalil Rahman (74 patents)David L RentkiewiczDavid L Rentkiewicz (5 patents)Marlies EltgenMarlies Eltgen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Clariant Corporation (1 from 480 patents)

2. Az Electronic Materials USA Corp. (1 from 115 patents)


2 patents:

1. 7547501 - Photoactive compounds

2. 5731132 - Metal-ion free, aqueous developer for photoresist layers

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as of
12/28/2025
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