Average Co-Inventor Count = 1.50
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. Benckiser-knapsack Gmbh (2 from 31 patents)
2 patents:
1. 4775385 - Process for dyeing leathers, water-soluble cationic polymers suitable
2. 4750906 - Process for the retanning of mineral tanned leather