Average Co-Inventor Count = 3.87
ph-index = 3
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 Aktiengesellschaft (3 from 6,662 patents)
2. Celanese Gmbh (1 from 824 patents)
4 patents:
1. 6025496 - Process for preparing heterocyclic carbenes
2. 5728839 - Metal complexes with heterocycles carbenes
3. 5703269 - Process for preparing aromatic olefins
4. 5663451 - Process for preparing aldehydes