Average Co-Inventor Count = 1.80
ph-index = 1
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. Pfizer Corporation (2 from 4,455 patents)
2. Pharmacia & Upjohn Company (1 from 523 patents)
3 patents:
1. 7291648 - 3,3-diphenylpropylamines useful in therapy
2. 7119121 - 3,3-diphenylpropylamines useful in therapy
3. 6946486 - Quaternary ammonium compounds