Average Co-Inventor Count = 1.80
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. Stepan Company (2 from 221 patents)
2. Other (1 from 832,718 patents)
3 patents:
1. 5627221 - Process for production of low density water-blown rigid foams with flow
2. 5420169 - Process for production of low density water-blown rigid foams with flow
3. 5158127 - Temporary covering for a window or the like