Average Co-Inventor Count = 3.50
ph-index = 4
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. Stockhausen Gmbh & Co Kg (4 from 69 patents)
2. Evonik Stockhausen Gmbh (79 patents)
4 patents:
1. 6841229 - Superabsorbent polymers having delayed water absorption characteristics
2. 6743391 - Superabsorbent polymers having delayed water absorption characteristics
3. 6514615 - Superabsorbent polymers having delayed water absorption characteristics
4. 6124391 - Superabsorbent polymers having anti-caking characteristics