Average Co-Inventor Count = 2.00
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 (1 from 1,678 patents)
2. Degussa Akteingesellschaft (1 from 5 patents)
2 patents:
1. 4501668 - Process for the elimination of hydrogen sulfide or iron sulfide from an
2. 4479820 - Use of polycondensation products from acrolein and formaldehyde as