Average Co-Inventor Count = 5.00
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. Degussa Aktiengesellschaft (1 from 1,678 patents)
2. Degussa-huels Aktiengesellschaft (1 from 45 patents)
2 patents:
1. 6489521 - Fixed bed catalysts
2. 6284703 - Fixed bed catalysts