Average Co-Inventor Count = 1.33
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. Exxon Research and Engineering Company (2 from 4,227 patents)
2 patents:
1. 4857201 - Reverse osmosis cellulose and cellulosic membranes prepared by repeated
2. 4836927 - Recovery of dewaxing aid using asymmetric polyimide ultrafiltration