Average Co-Inventor Count = 2.00
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. Pharmacia & Upjohn Company (1 from 523 patents)
2. Cedarburg Pharmaceuticals, Inc. (1 from 3 patents)
2 patents:
1. 7321064 - Preparation of amides of retinoic acid via mixed anhydride and mixed carbonate intermediates
2. 5922914 - Process to prepare tolterodine