Average Co-Inventor Count = 3.16
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. Bayer Aktiengesellschaft (3 from 12,168 patents)
2. Lanxess Deutschland Gmbh (2 from 385 patents)
5 patents:
1. 7410536 - Oxidation-stable iron oxide pigments, process for preparing them and their use
2. 7235127 - Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use
3. 5718755 - Preparation and use of iron oxide black pigment granules
4. 5665157 - Clean color shade, yellow-tinged red iron oxide pigments, and a process
5. 5269843 - Boron-containing iron oxide pigments and a process for their preparation