Average Co-Inventor Count = 2.57
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. Metallurgie Hoboken-overpelt (1 from 47 patents)
2. N.v. Union Miniere S.a. (1 from 10 patents)
3. Union Miniere S.a. (1 from 2 patents)
3 patents:
1. 5316683 - Metal extraction by ion exchange
2. 5277882 - Process for recovering germanium
3. 4942023 - Metal extraction process with substituted 8-hydroxyquinoline