Average Co-Inventor Count = 3.00
ph-index = 4
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. Rohm and Haas Company (3 from 3,391 patents)
2. Other (1 from 832,843 patents)
4 patents:
1. 5104530 - Chromatography column with carbonaceous adsorbents from pyrolyzed
2. 5094754 - Carbonaceous adsorbents from pyrolyzed polysulfonated polymers
3. 4957897 - Carbonaceous adsorbents from pyrolyzed polysulfonated polymers
4. 4839331 - Carbonaceous adsorbents from pyrolyzed polysulfonated polymers