Average Co-Inventor Count = 2.00
ph-index = 1
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. Mineral & Chemical Resource Co. (1 from 2 patents)
2. General Mills Chemicals Co. (1 from 1 patent)
1 patent:
1. 4053552 - Solvent extraction of zinc from sulfite-bisulfite solution