Average Co-Inventor Count = 6.28
ph-index = 1
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 Se Corporation (3 from 5,663 patents)
2. Covestro Deutschland Ag (1 from 644 patents)
3 patents:
1. 11578167 - Sulphur-containing polyester polyols, their production and use
2. 10526463 - Foam materials resistant to high temperatures
3. 10414985 - Heptaphosphorus-derived compounds as flame retardants