Average Co-Inventor Count = 3.00
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. Chiron Corporation (1 from 672 patents)
2. Biocine S.p.a. (1 from 3 patents)
2 patents:
1. 5719049 - Process for purifying hepatitis A virus (HAV), virus thus purified and
2. 5607851 - Process for purifying hepatitis a virus (HAV), and vaccine compositions