Average Co-Inventor Count = 2.40
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. The Lubrizol Corporation (2 from 1,305 patents)
2 patents:
1. 5037533 - Ore flotation process and use of phosphorus containing sulfo compounds
2. 4879022 - Ore flotation process and use of mixed hydrocarbyl dithiophosphoric