Average Co-Inventor Count = 5.00
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. 4525484 - Particulate polystyrene containing blowing agent and having improved
2. 4520135 - Particulate polystyrene containing blowing agent and having improved
3. 4513105 - Particulate polystyrene containing blowing agent and having improved