Average Co-Inventor Count = 1.50
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. Hoechst Celanese Corporation (1 from 1,194 patents)
2. American Hoechst Corporation (1 from 233 patents)
2 patents:
1. 4918156 - Polyester resin having improved processability
2. 4659523 - Production of iodine stainable polyester polarizer film