Average Co-Inventor Count = 3.43
ph-index = 2
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. Air Products and Chemicals, Inc. (2 from 3,191 patents)
2 patents:
1. 5902910 - Weak acid process for producing dinitrotoluene
2. 5275701 - Process for purification and concentration of sulfuric acid