Average Co-Inventor Count = 3.00
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. Hoechst Celanese Corporation (2 from 1,194 patents)
2 patents:
1. 5017681 - High performance thermally stable polybenzimidazole film
2. 4927909 - Fabrication of high performance polybenzimidazole films