Average Co-Inventor Count = 2.27
ph-index = 6
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. Cassella Aktiengesellschaft (41 from 260 patents)
2. Hoechst Mitsubishi Kasei Co., Ltd. (8 from 18 patents)
3. Dystar Japan Ltd. (6 from 19 patents)
4. Bayer Aktiengesellschaft (1 from 12,164 patents)
5. Hoechst Aktiengesellschaft (1 from 6,662 patents)
6. Tokico, Ltd. (1 from 548 patents)
7. Dystar Textilfarben Gmbh & Co. Deutschland Kg (1 from 101 patents)
57 patents:
1. 5922089 - Method of dyeing polyester and polyester-containing textile materials
2. 5917121 - Monoazo dyes which are stable under dyeing conditions, their preparation
3. 5902356 - Textile dye preparations
4. 5824117 - Nitrobenzisothiazole azo dyestuff
5. 5760197 - Hydroxyquinolone monoazo dyestuffs, their preparation and use
6. 5639282 - Process for dyeing polyester and polyester-containing textile materials
7. 5569751 - Monoazo dyestuffs which are free from ionic groups, their preparation
8. 5495004 - Monoazo dispersed dye and mixtures containing them and the preparation
9. 5474579 - Mixtures of monoazo dyes
10. 5466791 - Monoazo dyes, their preparation and use
11. 5428138 - Red 2,6-dicyanophenylazo dyes and the preparation and use thereof
12. 5425785 - Process for dyeing polyester and polyester-containing textile materials
13. 5415669 - Dye mixtures for the dyeing of textile hydrophobic fibre materials
14. 5389109 - Process for the preparation of thermomigration-resistant dyeings
15. 5292872 - Monoazo dispersed dyes, mixtures containing them, and the preparation