Average Co-Inventor Count = 10.52
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. Evonik Degussa Gmbh (2 from 1,242 patents)
2. Evonik Operations Gmbh (1 from 600 patents)
3 patents:
1. 12139625 - Selective superparamagnetic sintering and an ink suitable therefor
2. 10106426 - Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media
3. 10065865 - Process for preparing aqueous colloidal silica sols of high purity from alkali metal silicate solutions