Average Co-Inventor Count = 2.00
ph-index = 2
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. Kali-chemie Aktiengesellschaft (2 from 102 patents)
2 patents:
1. 4950461 - Process for catalytic reduction of nitrogen oxides
2. 4935393 - Process for catalytic reduction of nitrogen oxides