Average Co-Inventor Count = 2.25
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. Sun Chemical Corporation (2 from 590 patents)
2. Union Carbide Corporation (1 from 2,921 patents)
3 patents:
1. 4028054 - Permanent-press system
2. 3959534 - Process for producing fibers
3. 3954405 - Permanent-press system