Average Co-Inventor Count = 3.00
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. Clariant Finance (bvi) Limited (3 from 507 patents)
2. Archroma IP Gmbh (1 from 24 patents)
3. Solvay (19 patents)
4. Rolic Technologies Ag (16 patents)
4 patents:
1. RE46913 - Optical brightening compositions
2. 8932727 - Aqueous compositions for whitening and shading in coating applications
3. 8845861 - Optical brightening compositions
4. 8821688 - Optical brightening compositions