Average Co-Inventor Count = 2.86
ph-index = 4
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 Corporation (5 from 2,033 patents)
5 patents:
1. 5453455 - Rigid polyurethane foams containing lithium salts for energy absorbing
2. 5258416 - Rigid polyurethane foams containing lithium salts for energy absorbing
3. 5248703 - Rigid polyurethane foams containing lithium salts for energy absorbing
4. 5177116 - Flexible polyurethane foams with reduced dripping during burning
5. 5149725 - Flexible polyurethane foams with reduced dripping during burning