Average Co-Inventor Count = 3.43
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. Ciba Specialty Chemicals Corporation (2 from 1,524 patents)
2 patents:
1. 6362138 - Heterocyclic thioethers as additives for lubricants
2. 6255259 - Phosphorus-free multifunctional additives for lubricants