Average Co-Inventor Count = 2.16
ph-index = 5
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 Standard Oil Company (5 from 1,192 patents)
2. Standard Oil Company (Indiana) (4 from 1,055 patents)
9 patents:
1. 4384138 - Process and compositions
2. 4253974 - Oil recovery and mobility control in surfactant systems using the
3. 4142980 - Mannich reaction products made with alkyphenol substituted aliphatic
4. 4122020 - Oil recovery and mobility control using succinate surfactant systems
5. 4120800 - Oil recovery and mobility control using succinamate surfactant systems
6. 4070402 - Terpolymer alkylated phenol
7. 3985802 - Lubricating oils containing high molecular weight Mannich condensation
8. 3954849 - Preparation of alkenyl sulfonates
9. 3950401 - Olefin sulfonates