Average Co-Inventor Count = 5.00
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. Sigma-aldrich Co. LLC (2 from 141 patents)
2 patents:
1. 7033520 - Metal chelating compositions for protein purification, detection or binding
2. 6623655 - Metal chelating compositions