Average Co-Inventor Count = 2.89
ph-index = 12
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. Basf Aktiengesellschaft (65 from 10,754 patents)
2. Badische Anilin- & Soda-fabrik Aktiengesellschaft (2 from 88 patents)
3. Other (1 from 832,680 patents)
68 patents:
1. 6130320 - Acid disazo dyes as well as sulphonamides as their intermediate product
2. 6069144 - N-heterocyclic compounds, intermediate products used to prepare them,
3. 6028179 - Trisazo dyes
4. 6013775 - Polyazo dyes containing a plurality of hydroxy sulfonyl groups
5. 6011141 - Acid polyazo dyes
6. 5972050 - Dye mixtures containing polyazo dyes and CI Sulphur Black 1 dye
7. 5929245 - Naphtholactam dyes
8. 5834602 - Acid disazo dyes
9. 5738693 - Detection of naphthylamines in mineral oils
10. 5739343 - Nitro dyes
11. 5623060 - Dye mixture containing at least four diazo dyes having the same color
12. 5621107 - Sulfopyridones and a process of making therefor
13. 5573585 - Molecular sieves containing azo dyes
14. 5554737 - Doubled acid azo dyes with a hydroxypyridone coupling component
15. 5547477 - Dye mixtures with pyridoneazo dyes