Average Co-Inventor Count = 2.00
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. P C U K Produits Chimiques Ugine Kuhlmann (2 from 51 patents)
2. Produits Chimiques Ugine Kuhlmann (1 from 256 patents)
3 patents:
1. 4416987 - Method of synthesizing proteins from methanol
2. 4318988 - Process for biological denitrification of effluents
3. 4209390 - Process for biological denitrification of effluents