Average Co-Inventor Count = 3.87
ph-index = 1
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. Shell Oil Comapny (4 from 7,645 patents)
2. Lurgi Zimmer Gmbh (20 patents)
4 patents:
1. 7381787 - Polytrimethylene terephthalate having a low level of acrolein and a process for producing the same
2. 7196159 - Process for producing polytrimethylene terephthalate
3. 6610819 - Reduction of friability of poly(trimethylene terephthalate)
4. 6528579 - Zero-heel polyester process