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. Sterling Drug Inc. (1 from 692 patents)
2. Hilton Davis Co. (1 from 5 patents)
2 patents:
1. 4874894 - Process for the production of benzenesulfonamides
2. 4431840 - Process for preparing 2-benzoylbenzoic acids