Average Co-Inventor Count = 4.09
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. Hercules Corporation (3 from 1,197 patents)
3 patents:
1. 7507781 - Anionic copolymers prepared in an inverse emulsion matrix
2. 7396874 - Cationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
3. 7250448 - Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions