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. Texaco Inc. (2 from 3,161 patents)
2 patents:
1. 4504376 - Urea dewaxing of naphthene oils
2. 4490245 - Process for reclaiming used lubricating oil