Average Co-Inventor Count = 3.33
ph-index = 5
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 (5 from 6,850 patents)
2. Ciba-geigy Ag (2 from 595 patents)
7 patents:
1. 4395546 - N-Methylolcarboxamide compounds
2. 4306080 - Process for the purification of industrial effluents
3. 4238328 - Process for removing heavy-metal ions from aqueous solutions
4. 4178438 - Cationically modified, cellulose-containing materials
5. 4144190 - Polysaccharide-containing adsorbent
6. 4133929 - Ionically modified cellulose materials for removal of heavy metal ions
7. 4079001 - Process for the purification of industrial effluents