Average Co-Inventor Count = 3.43
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 (1 from 1,242 patents)
2. Tomah Products, Inc. (1 from 12 patents)
3. Nalco Energy Services L.p (1 from 8 patents)
4. Evonik Operations Gmbh (601 patents)
2 patents:
1. 10023682 - Non-emissive amine composition for improved system shelf life stability
2. 6964940 - Method of preparing quaternized amidoamine surfactants