Average Co-Inventor Count = 3.27
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.
Company Filing History:
1. Basf Wyandotte Corporation (2 from 454 patents)
2. Basf Corporation (1 from 2,036 patents)
3 patents:
1. 4853039 - Process for making a phthalocyanine pigment dispersion
2. 4525217 - Process for preparing ferriferrocyanide pigments
3. 4414033 - Process for preparing ferriferrocyanide pigments