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. Uhde Gmbh (2 from 177 patents)
2 patents:
1. 4300939 - Method of processing waste sludge from wet phosphoric acid purification
2. 4257898 - Method of processing waste sludge from wet phosphoric acid purification