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. Amcol International Corporation (1 from 167 patents)
2. American Colloid Company (1 from 119 patents)
2 patents:
1. 5577463 - Extruded smectite clay clumping animal litter having improved clump
2. 5452684 - Method of agglomerating a smectite clay litter