Etymology
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Orlon 
proprietary name (Du Pont) of synthetic textile fiber, 1948, an invented word (compare nylon).
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Dacron (n.)

polyethylene terephthalate used as a textile fabric, 1951, proprietary name coined by E.I. du Pont de Nemours & Co.; an invented word of no etymology, on the model of nylon, etc.

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Velcro (n.)

1958, proprietary name (Britain), from French vel(ours) cro(ché) "hooked velvet."

Here is a nonmetallic fastener with no mechanical parts. It is simply two strips of nylon, one woven with thousands of tiny protruding hooks, the other with loops. Pressed together, they catch like a burr to clothing, can't be parted except by peeling. American Velcro, Manchester, N.H., makes them to hold anything from pants to upholstery. [Popular Science, December 1958]
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