Average Co-Inventor Count = 3.26
ph-index = 5
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)
2. Degussa Atiengesellschaft (1 from 6 patents)
5 patents:
1. 4753791 - Dental-care composition using precipitated silica
2. 4705679 - Transparent dental care composition
3. 4704270 - Opaque dental-care composition
4. 4664907 - Dental-care composition
5. 4360388 - Cerium containing precipitated silica, process for its production