Average Co-Inventor Count = 3.27
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.
Company Filing History:
1. Giulini Chemie Gmbh (2 from 20 patents)
2. Hoechst Aktiengesellschaft (1 from 6,662 patents)
3 patents:
1. 6255427 - Amphoteric polymer dispersion
2. 5925722 - Amphoteric and anionic polymer dispersions, process for their
3. 5436312 - Aqueous filler composition