E.i. Dupont De Nemours and Company

Harold J Taylor

George R Goodley

When varied spin-oriented polyester filaments are produced over the course of time in a continuous multi-machine operation from polymeric precursors, the dyeabilities of the varying products are controlled and adjusted by adding small amounts of a chain-branching agent, such as a derivative of trimellitic acid, preferably trishydroxyethyl trimellitate. The process conveniently lends itself to automation of the control and adjustment operation.

Continuous production of polyester filaments

An elastic double-knit fabric having alternating front and back wales knit from an elastic and inelastic yarn knit together in spaced patterns of adjacent stitches in adjacent front wales and in selected stitches in at least every fourth course in the back wales, all the remaining stitches in the fabric containing only inelastic yarn.

Growing community of inventors

Emerald Isle, NC, United States of America

Harold J Taylor