Average Co-Inventor Count = 2.00
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. Akzo N.v. (2 from 776 patents)
2 patents:
1. 5013765 - Method for sulfonating aromatic polyether sulfones
2. 4431619 - Process for the thermal polymerization of phosphazene polymers