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. Phillips Petroleum Company (2 from 5,071 patents)
2 patents:
1. 5631313 - Suspending medium for particulate material
2. 5091448 - Suspending medium for water soluble polymer