Average Co-Inventor Count = 7.00
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. Deutsche Gold- Und Silber-scheideanstalt Vormals Roessler (1 from 343 patents)
1 patent:
1. 4273589 - Precipitated silicic acid, method and compositions containing same