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. Donaldson Comapny, Inc. (3 from 1,404 patents)
3 patents:
1. 8141716 - Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy
2. 7910003 - Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy
3. 7641055 - Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy