Average Co-Inventor Count = 3.00
ph-index = 1
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. Total Compagnie Francaise Des Petroles (1 from 26 patents)
2. Ciments D'origny (1 from 1 patent)
1 patent:
1. 5207832 - Lightened cement grout suitable for the cementation of hydrocarbon