Average Co-Inventor Count = 3.43
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. Manac Incorporated (2 from 19 patents)
2 patents:
1. 6204394 - Method for preparing oxy-diphthalic anhydrides
2. 5532322 - Process for preparing brominated polystyrene