Average Co-Inventor Count = 4.44
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. Talc De Luzenac (societe Anonyme) (1 from 2 patents)
2. Naintsch Mineralwerke Gessellschaft M.b.h. (1 from 1 patent)
2 patents:
1. 5759403 - Method for purifying waste water using activated slude to increase
2. 5229094 - Talc substances having specific surface properties, methods of