Average Co-Inventor Count = 3.43
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. Texaco Inc. (1 from 3,161 patents)
2. Ethyl Additives Corporation (1 from 6 patents)
2 patents:
1. 5792732 - Lubricants with linear alkaryl overbased detergents
2. 4954272 - Process for preparing overbased calcium sulfonates