Average Co-Inventor Count = 5.14
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. Basf Aktiengesellschaft (3 from 10,754 patents)
3 patents:
1. 5591778 - Process for the preparation of expandable polystyrene
2. 5258415 - Expandable styrene polymers containing carbon dioxide as blowing agent
3. 5229429 - Expandable styrene polymers containing carbon dioxide as blowing agent