Vycron

Other US companies chose to await expiration of the Whinfield and Dickson patent before entering the market. One of the earliest to become involved was Celanese Corporation, whose joint venture with ICI, named Fiber Industries Inc. (FII Fortrel), began construction of its first PET plant in 1959. Beaunit (Vycron) was also an early entrant, initially with a copolymer fibre that was arguably not covered by the basic patent, using polymer from Goodyear. 

Polyester Dihydric acid- Strong, resistant to stretching and Permanent press Vycron,... 

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