Average Co-Inventor Count = 3.16
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. Celanese Ventures Gmbh (2 from 31 patents)
2. Axiva Gmbh (1 from 13 patents)
3 patents:
1. 6632847 - Polymer composition, membrane containing said composition, method for the production and uses thereof
2. 6395935 - Use of phosphoric acid as a homogeneous catalyst during the preparation of ketene
3. 6355149 - Method for producing a membrane used to operate fuel cells and electrolyzers