Average Co-Inventor Count = 3.43
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. Nuova Samim S.p.a. (1 from 4 patents)
2. Samim Societa Azionaria Minero-mettallurgica, S.p.a. (1 from 1 patent)
2 patents:
1. 5242482 - Process for treating spent batteries
2. 4637832 - Process for purifying solutions of zinc sulphate