Average Co-Inventor Count = 4.00
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 Aktiengesellschaft (2 from 10,754 patents)
2 patents:
1. 6160169 - Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
2. 5892105 - Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid