Average Co-Inventor Count = 6.00
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. Cognis Corporation (2 from 143 patents)
2 patents:
1. 6420496 - Reaction product of phenol-aldehyde with polyamine(-epoxy adduct) and proton donor
2. 6365708 - Polyamines and coating compositions with enhanced resistance to yellowing