By modifying terylene, a new texturised, continuous fibre was created. The name given to this fibre was "Crimplene", the patent being taken out by Mario Nava of Cresline and Crepes Ltd in the UK.

Companies had been trying for some time to find an artificial yard alternative to Astronlon-C, a polyamide yarn, and Astralene-C, a polyester yarn, which were irritating to the skin when made into clothing. The chief textile engineer at Cheslene and Crepes began experimenting by boiling them for various period in a domestic pressure cooker at home and, believing he found the answer, he joined with the chief engineer at Scraggs Ltd. Together they designed a machine to replicate his findings.

"Crimplene" was born, the name being chosen for two reasons - ICI being the manufacturers, had their headquarters near the Crimple Valley and the word "crimp" means to fold and intertwine.

The fabric enjoyed success during the 1960s for its wash-and-wear qualities and became the popular choice for A-line dresses being the height of fashion at the time.

Today crimplene is rarely seen as it began to fall out of fashion the '70s in favour of other lighter-weight polyester fabrics.

More Info: en.wikipedia.org