Average Co-Inventor Count = 5.00
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. Eastman Chemical Company (4 from 2,001 patents)
2. Grupo Petrotemex S.a. De C.v. (61 patents)
4 patents:
1. 7872089 - Multi-level tubular reactor with internal tray
2. 7868130 - Multi-level tubular reactor with vertically spaced segments
3. 7858730 - Multi-level tubular reactor with dual headers
4. 7847053 - Multi-level tubular reactor with oppositely extending segments