Average Co-Inventor Count = 3.60
ph-index = 3
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. Texaco Inc. (3 from 3,161 patents)
3 patents:
1. 5132033 - Method of preparing overbased calcium sulfonates
2. 5108630 - Process for overbasing sulfonates comprising two separate additions of
3. 4973411 - Process for the preparation of sulfurized overbased phenate detergents