Average Co-Inventor Count = 3.36
ph-index = 2
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. 6046245 - Production of expandable styrene polymers
2. 6046247 - Production of rigid polyurethane foams having a low thermal conductivity
3. 5880166 - Expandable styrene polymers