Average Co-Inventor Count = 2.67
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. Ethyl Corporation (2 from 1,362 patents)
2 patents:
1. 6753381 - Polymer blends and their application as viscosity index improvers
2. 5834408 - Pour point depressants via anionic polymerization of (meth)acrylic