Average Co-Inventor Count = 4.00
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. Exxon Chemical Patents, Inc. (3 from 1,415 patents)
3 patents:
1. 5877371 - Heterogeneous Lewis acid-type catalysts
2. 5874380 - Heterogeneous lewis acid-type catalysts
3. 5663470 - 'Heterogeneous lewis acid-type catalysts'