Average Co-Inventor Count = 4.00
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. Pfd/penn Color, Inc. (2 from 3 patents)
2 patents:
1. 4113650 - Producing dispersant compositions compatible with many resin systems
2. 3959193 - Utilization of cellulose acetate butyrate and aryl