DuPont’s patents

Celanese came out a year later with a similar product under the trade name Celcon. Celanese circumvented DuPont s patent on the basis of employing a copolymer variation that allowed enhanced stabilization against thermal depolymerization (structure 4.74). The copolymer has a of 170°C ... 

DuPont s patents are especially noteworthy in that they provide an unusually thorough description of module manufacture and insightful discussion of how design variables may affect performance. In particular, the patents... 

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