Average Co-Inventor Count = 2.25
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. Westvaco Corporation (3 from 790 patents)
3 patents:
1. 5596032 - Slow-setting bituminous emulsions
2. 5543110 - Tall oil deodorization process
3. 4740367 - Vegetable oil adducts as emollients in skin and hair care products