Average Co-Inventor Count = 3.36
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. Lanxess Deutschland Gmbh (7 from 383 patents)
7 patents:
1. 12187623 - Process for producing haematite pigments
2. 11634342 - Iron oxide pigments containing Al
3. 7799125 - Yellow iron oxide pigments
4. 7681814 - Jet mill with integrated dynamic classifier
5. 7294192 - Heat-stable zinc ferrite colour pigments, process for preparing them and their use
6. 7294191 - Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability
7. 7235127 - Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use