Average Co-Inventor Count = 1.50
ph-index = 4
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. Sherex Chemical Company, Inc. (3 from 54 patents)
2. Goldschmidt Chemical Corporation (1 from 9 patents)
3. Evonik Goldschmidt Corporation (80 patents)
4 patents:
1. 6458343 - Quaternary compounds, compositions containing them, and uses thereof
2. 5200097 - Process for making a particulate water dispersible free flowing fabric
3. 5015412 - Alkaline tolerant sulfobetaine amphoteric surfactants
4. 4913841 - Alkaline tolerant sulfobetaine amphoteric surfactants