Average Co-Inventor Count = 2.57
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. Phoenix Research Corporation (3 from 18 patents)
3 patents:
1. 3947567 - Effervescent cleansers
2. 3947568 - Effervescent cosmetic compositions
3. 3947566 - Effervescent medicaments