Average Co-Inventor Count = 2.00
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. 5300534 - Production of plastic foams, preferably rigid foams containing urethane
2. 5278195 - Production of plastic foams, preferably rigid foams containing urethane
3. 5205956 - Production of plastic foams, preferably rigid foams containing urethane