Average Co-Inventor Count = 1.50
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. Pennwalt Corporation (2 from 615 patents)
2 patents:
1. 4895977 - Purification of alkanesulfonic acids using ozone
2. 4876048 - Purification of alkanesulfonyl chlorides