Average Co-Inventor Count = 3.43
ph-index = 3
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 (4 from 1,678 patents)
4 patents:
1. 5021378 - Molded articles based on pyrogenically prepared silicon dioxide, process
2. 4791082 - Method of making zeolite castings
3. 4748082 - Zeolite castings
4. 4680043 - Method for densification of powdery silica and article formed thereby