Average Co-Inventor Count = 2.00
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. Exxon Research and Engineering Company (2 from 4,227 patents)
2 patents:
1. 6235687 - Method for producing lubrication oils possessing anti rust properties containing acidic anti rust additive and acid scavengers
2. 5880325 - Aromatics extraction from hydrocarbon oil using tetramethylene sulfoxide