Average Co-Inventor Count = 4.00
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. Degussa Aktiengesellschaft (2 from 1,678 patents)
2 patents:
1. 5110574 - Precipitated silicas and process for their production and use
2. 4857289 - Process for preparing precipitated silica