Average Co-Inventor Count = 3.00
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. Clairol Incorporated (2 from 283 patents)
2 patents:
1. 5049381 - Skin coloring compositions containing indoles and quaternary ammonium
2. 5037640 - Skin coloring and sunscreening compositions containing indoles and