Average Co-Inventor Count = 1.50
ph-index = 3
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. A. Ahlstrom Corporation (3 from 230 patents)
3 patents:
1. 5013454 - Method of removing organic substances from effluents from pulp and paper
2. 4842688 - Method of removing macromolecular organic dissolved and colloidal
3. 4812207 - Method of removing lignin from bleach plant effluents