Average Co-Inventor Count = 2.00
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. Ppg Industries Ohio, Inc. (1 from 1,743 patents)
1 patent:
1. 6160189 - Reducing the monovinyl acetylene and/or butadiene content of impure