Average Co-Inventor Count = 2.67
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. Ciba-Geigy Corporation (2 from 6,858 patents)
2 patents:
1. 4845172 - Co-advanced resins from copolymers of polyethers of polyhydric phenols
2. 4737553 - Advanced resins from diglycidyl ethers of di-secondary alcohols and