Average Co-Inventor Count = 6.15
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. Evonik Degussa Gmbh (1 from 1,242 patents)
2. Evonik Stockhausen Gmbh (1 from 79 patents)
2 patents:
1. 7786245 - Process for preparing polyarylene ether ketone
2. 7557246 - Method for the purification of (meth)acrylic acid