date:Nov 30, 2018
at none of the top 10 main applicants have been contributing in a meaningful way to the innovation occurring within this field.
These main applicants include large chemical companies such as Eastman Kodak, DuPont, Arkema, and between them they have only 5 simple patent families between them over the last 20 years in the area of PET recovery and up-working area.
The patent analysis conducted in the report found that one new entrant had made significant contributions to the PET recovery or worki