Average Co-Inventor Count = 3.69
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. Imperial Chemical Industries Limited (2 from 3,840 patents)
2. Other (1 from 832,891 patents)
3. E.i. Dupont De Nemours and Company (1 from 16,338 patents)
4 patents:
1. 5840965 - Process for the production of purified telephthalic acid
2. 5741927 - Separation process
3. 5698734 - Process for the production of purified terephthalic acid
4. 5583254 - Process for the production of purified terephthalic acid