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. Huels Aktiengesellschaft (1 from 580 patents)
1 patent:
1. 5118848 - Process for the preparation of 4,4'-bis(4-aminophenoxy)-diphenyl sulfone