Average Co-Inventor Count = 1.50
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. Sun Oil Company of Pennsylvania (1 from 102 patents)
2. Sun Ventures, Inc. (1 from 58 patents)
2 patents:
1. 4300015 - Crystalline alumino-silicate zeolites containing polyvalent metal cations
2. 3987080 - Regeneration of vanadium-bronze ammoxidation catalyst