Average Co-Inventor Count = 3.86
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 (4 from 10,754 patents)
2. Basf Se Corporation (5,663 patents)
4 patents:
1. 6130265 - Method for producing expandable styrene polymers containing graphite
2. 6046245 - Production of expandable styrene polymers
3. 5880166 - Expandable styrene polymers
4. 5783612 - Expandable styrene polymers