Average Co-Inventor Count = 3.11
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. Celanese Gmbh (2 from 824 patents)
2 patents:
1. 6300517 - Phosphine ligands with amino acid groups, method for their production and use thereof as catalyst components
2. 6187953 - Guanidinium phosphanes, their production and their use