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. Alcon Laboratories, Inc. (2 from 449 patents)
2 patents:
1. 5653972 - Preserved ophthalmic drug compositions containing polymeric quaternary
2. 5603929 - Preserved ophthalmic drug compositions containing polymeric quaternary