Average Co-Inventor Count = 2.67
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. Petrolite Corporation (2 from 429 patents)
2 patents:
1. 4500359 - Wax composition useful as a beeswax substitute
2. 4180408 - Polyvalent metal salts of oxidized and amidified waxes