Average Co-Inventor Count = 5.14
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. Merck Patent Gmbh (3 from 2,937 patents)
2. Sachtleben Chemie Gmbh (3 from 31 patents)
3 patents:
1. 9309272 - Metal oxide particles aftertreated with organic phosphorus compounds
2. 8883215 - Metal oxide particles aftertreated with organic phosphorus compounds
3. 8758501 - Nanoparticulate UV protectant with silicon dioxide coating