Average Co-Inventor Count = 3.00
ph-index = 1
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. Hoechst Aktiengesellschaft (1 from 6,662 patents)
2. Hoechst Research & Technology Deutschand Gmbh & Co. Kg (1 from 1 patent)
2 patents:
1. 6048460 - Biological method of treating sewage containing high concentrations of
2. 5690834 - Process and apparatus for separating off suspended matter from liquids