Average Co-Inventor Count = 2.40
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. The Dow Chemical Company (2 from 7,680 patents)
2 patents:
1. 5011637 - Preparing cellulose ester membranes for gas separation
2. 5000763 - Process for separating hydrogen from gas mixtures using a semi-permeable