Average Co-Inventor Count = 3.08
ph-index = 16
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. Ciba-Geigy Corporation (43 from 6,858 patents)
43 patents:
1. 5391749 - Substituted naphthacene-5,12-diones and their use
2. 5220048 - Substituted benzocyclobutenes, a process for their preparation and their
3. 5112977 - Substituted naphthacene-5,12-diones
4. 5011944 - Substituted .alpha.-pyrones
5. 5004814 - Substituted .alpha.-pyrones and process for their preparation
6. 5001243 - Substituted naphthacene-5, 12-diones
7. 4981962 - Substituted tetrathiotetracenes and tetraselenotetracenes
8. 4762926 - Process for the preparation of the 2-substituted-5-vinylpyrimidines
9. 4617151 - 2- or 2,3-substituted 5,6,11,12-tetrathiotetracene and
10. 4609741 - Phthalic acid derivatives which are substituted by 2-propynyloxy groups,
11. 4594400 - Thioxanthonecarboxylic acids, esters thioesters and amides with reactive
12. 4582881 - 2-substituted 5-vinylpyrimidines, polymer obtainable therefrom and
13. 4505794 - Thioxanthonecarboxylic acid esters, thioesters and amides
14. 4506083 - Thioxanthonecarboxylic acid esters, thioesters and amides
15. 4480105 - 3,5-Disubstituted phthalic acids and phthalic anhydrides