Average Co-Inventor Count = 2.25
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. Phillips Petroleum Company (3 from 5,071 patents)
3 patents:
1. 4344771 - Fuel and lubricant additives from acid treated mixtures of vegetable oil
2. 4269606 - Fuel and lubricant additives from acid treated mixtures of vegetable oil
3. 4082518 - Additives for motor fuels and lubricants