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. 5300194 - Pitch control
2. 5266078 - Enhancement of fluorescent whitening agents: water-soluble phosphonates
3. 5234547 - Creping aid