Average Co-Inventor Count = 2.25
ph-index = 3
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. W. R. Grace Co.-conn. (3 from 1,391 patents)
3 patents:
1. 6172147 - Additive for production of highly workable mortar cement
2. 5782972 - Additive for production of highly workable mortar cement
3. 5603760 - Cement admixture capable of inhibiting drying shrinkage and method of