Average Co-Inventor Count = 3.75
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 Operations Gmbh (1 from 601 patents)
2. Evonik Oil Additives Gmbh (1 from 15 patents)
2 patents:
1. 12139689 - Compressor oils with high viscosity index
2. 9777098 - Polyalkyl(meth)acrylate for improving lubricating oil properties