Average Co-Inventor Count = 3.20
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. Hoechst Aktiengesellschaft (4 from 6,662 patents)
4 patents:
1. 4859728 - Pasty pigment formulations, production and use thereof
2. 4773937 - Pasty pigment formulations, the preparation and use thereof
3. 4543380 - Pigment formulation, a process for its preparation, and its use
4. 3947512 - Process for the manufacture of aromatic sulfonic acid halides