Average Co-Inventor Count = 3.22
ph-index = 7
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. Hoechst Aktiengesellschaft (13 from 6,662 patents)
13 patents:
1. 5194665 - Surfactants based on hydroxynaphthoic esters and preparation and use
2. 5137576 - Quinacridones having selectively adjusted triboelectric effects
3. 5102459 - Use of colorants for recording fluids
4. 5073579 - Process for enhancing the electrostatic chargeability of powder coatings
5. 5069994 - Use of colorless, intensely fluorinated ammonium and iminium compounds
6. 5061585 - Blue coloring agent for electro-photographic copying processes with
7. 5021473 - Process for enhancing the electrostatic chargeability of powder coatings
8. 5015676 - Process for enhancing the electrostatic chargeability of powder coatings
9. 4980425 - Surfactants based on hydroxynaphthoic esters and preparation and use
10. 4957841 - Specifically influencing the triboelectric effect of azo pigments
11. 4859728 - Pasty pigment formulations, production and use thereof
12. 4786575 - Pigment for electrophotographic recording processes
13. 4777105 - Magenta colorant for electrophotographic recording processes