Average Co-Inventor Count = 1.89
ph-index = 2
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. Dystar Colours Deutschland Gmbh (5 from 11 patents)
2. Evonik Operations Gmbh (2 from 597 patents)
3. Dystar Textilfarben Gmbh & Co. Deutschland Kg (2 from 101 patents)
4. Dystar Colours Distribution Gmbh (1 from 26 patents)
10 patents:
1. 11692153 - Long-chain alkyl esterquats for highly viscous laundry and cleaning formulations
2. 11517515 - Hybrid quats in, in particular, hair treatment agents
3. RE45686 - Disperse dyes, their preparation and their use
4. 9023117 - Disperse dye mixtures, their preparation and use
5. 8696766 - Azopyridone disperse dyes, their preparation and use
6. 8226758 - Disperse dyes mixtures
7. 8070832 - Disperse dyes, their preparation and use
8. 7909891 - Azo dyes for dyeing and printing hydrophobic materials
9. 7833291 - Dispersion dye, the production and use thereof
10. 7824450 - Disperse dyes, their preparation and their use