Average Co-Inventor Count = 2.40
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. Smith Kline & French Laboratories Limited (1 from 362 patents)
2. Symphar S.a. (1 from 12 patents)
2 patents:
1. 5273740 - Polystyrene anion exchange polymers
2. 5204336 - Naphthyl-,tetrahydronaphthyl-, and indanyl-substituted