Average Co-Inventor Count = 3.00
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. J.m. Huber Corporation (2 from 356 patents)
2 patents:
1. 5037508 - Aluminum chlorohydrate or hydrotalcite treated kaolin clays for pitch
2. 4927465 - Kaolin clays for pitch control