Average Co-Inventor Count = 4.00
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. Isp Investments Inc. (1 from 734 patents)
2. Isp Marl Gmbh (0 patent)
1 patent:
1. 8293959 - Purification of an aromatic fraction containing acetylenes by selective hydrogenation of the acetylenes