Average Co-Inventor Count = 3.00
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. Betz Laboratories, Inc. (4 from 577 patents)
4 patents:
1. 4326962 - Sulfur-containing lignins as magnesium sulfite tri-hydrate dispersants
2. 4171292 - Compositions for treating aqueous mediums containing magnesium sulfite
3. 4136152 - Method for treating aqueous mediums
4. 4093580 - Method for treating aqueous mediums containing magnesium sulfite