Average Co-Inventor Count = 3.00
ph-index = 1
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. Wella Aktiengesellschaft (2 from 433 patents)
2. The Procter Gamble Company (17,164 patents)
2 patents:
1. 7132001 - 3-aminophenol derivatives and dyes that contain these compounds while serving to dye keratin fibers
2. 7033401 - 3-Aminophenol derivatives substituted in the 2-position, and dyes containing these compounds