Average Co-Inventor Count = 4.00
ph-index = 3
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. Other (2 from 832,812 patents)
2. Betzdearborn Inc. & Corporacion Nacional Del Cobre De Chile (1 from 1 patent)
3 patents:
1. 6409799 - Copper leach process aids
2. 6261341 - Copper leach process aids
3. 6258245 - Copper leach process aids