Average Co-Inventor Count = 2.18
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. Polymer Technology Corporation (3 from 32 patents)
2. Ici Americas, Inc. (1 from 432 patents)
4 patents:
1. 5346978 - Polymeric compositions useful in oxygen permeable contact lenses
2. 5283299 - Aqueous coating compositions
3. 5177168 - Polymeric compositions useful in oxygen permeable contact lenses
4. 5032658 - Polymeric compositions useful in oxygen permeable contact lenses