1
Leonard Evans James, Laszlo Joseph Balint, Stanley David Lazarus: Process for preparing polyesters. Allied Chemical Corporation, Fred L Kelly, June 27, 1978: US04097468 (31 worldwide citation)

In a process for the preparation of high molecular weight linear polyesters of terephthalic acid which comprises partially esterifying terephthalic acid with an alkylene glycol under direct esterification conditions and then further esterifying and polycondensing the partially esterified product, th ...


2
Cyrus Tamaddon: Production of low shrink polyester fiber. Allied Chemical Corporation, Fred L Kelly, January 24, 1978: US04070432 (30 worldwide citation)

A low shrinkage polyester fiber is produced by melt-spinning a polyester polymer under conditions of substantially simultaneous spinning, drawing, and heat treating, using carefully controlled conditions whereby the fiber has uniform properties of breaking strength in grams per denier of at least 7. ...


3
Robert M Marshall: Soil resistant spin finish for polyamide textile yarn. Allied Chemical Corporation, Fred L Kelly, January 16, 1979: US04134839 (21 worldwide citation)

A soil resistant spin finish particularly for polyamide feeder yarn to be processed at high temperature into bulked textile yarn, comprising a first oil in water emulsion wherein the oil portion consists essentially of sorbitan monooleate, polyoxyethylene tallow amine, and an alkyl stearate, said fi ...


4
Robert Lees: Spin pack assembly. Allied Chemical Corporation, Fred L Kelly, February 17, 1976: US03938925 (20 worldwide citation)

A spin pack assembly for the extrusion of synthetic filaments. Novel features are the polymer flow channels of the breaker plate and spinneret plate which comprise a capillary with open ends, the entrance ends of the breaker plate and spinneret plate and the exit end of the breaker plate defining, r ...


5
Robert Moore Marshall, Eugene Addison Swanson: Melt spinning apparatus with convergence guide. Allied Chemical Corporation, Fred L Kelly, October 26, 1976: US03988086 (19 worldwide citation)

It has been suggested that synthetic multifilamentary yarns can be produced by melt-spinning a polyamide or polyester polymer under conditions of substantially simultaneous spinning and drawing wherein prior to said drawing the filaments of the fiber are lubricated with a spin finish by surface cont ...


6
Stanley D Lazarus, Kalidas Chakravarti, Hugh H Rowan, James G Neal: Production of thermally stabilized polyester. Allied Chemical Corporation, Fred L Kelly, Richard A Anderson, October 16, 1979: US04171422 (17 worldwide citation)

High molecular weight linear condensation polyesters are stabilized against deterioration by heat by reacting the polyester in molten form with certain polycarbonates in the presence of a catalytic amount of a phosphonium compound selected from the group consisting of tetra-n-alkylphosphonium acetat ...


7
Pritam Singh Minhas, Bernard Sukornick: Flame-retardant carpet and composition for preparing the same. Allied Chemical Corporation, Fred L Kelly, December 6, 1977: US04061810 (17 worldwide citation)

Combinations of certain hydroxycarboxylic acids with certain metal oxides and hydroxides provide unexpectedly enhanced flame retardancy to carpets, said flame retardancy being durable to usual carpet cleaning procedures.


8
Robert Moore Marshall, Kimon Constantine Dardoufas: Production of polyester tire yarn. Allied Chemical Corporation, Fred L Kelly, October 18, 1977: US04054634 (16 worldwide citation)

In a process for producing polyethylene terephthalate yarn, particularly for tire cords, wherein a liquid finish is applied to the yarn, said process involving spinning and drawing steps, the improvement comprising: (a) first applying to the yarn prior to said drawing step a liquid finish compositio ...


9
Robert Moore Marshall, Kimon Constantine Dardoufas: Production of polyester tire yarn polyglycol ether spin finish composition. Allied Chemical Corporation, Fred L Kelly, April 26, 1977: US04019990 (16 worldwide citation)

It has been suggested that certain polyglycol ethers, in particular mixed polyoxyethylated-polyoxypropylated monoethers, are useful as spin finishes in the production of polyester tire yarns. Polyglycol ethers having a relatively low molecular weight of about 300 to 1,000 make the best lubricants; h ...


10
Judd Leonard Schwartz, Richard Eugene Mayer: Flame-retardant carpet. Allied Chemical Corporation, Fred L Kelly, March 15, 1977: US04012546 (14 worldwide citation)

A flame-retardant pile carpet having a relatively pliable primary backing and a tufted surface, said surface being comprised of fibers selected from the group consisting of polyester and polyamide fibers having incorporated therein from 0.05 to 15 percent by weight of a compound selected from the gr ...



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