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7368522 |
High IV melt phase polyester polymer catalyzed with antimony containing compounds
A melt phase process for making a polyester polymer melt phase product by adding an antimony containing catalyst to the melt phase, polycondensing the melt containing said catalyst in the melt...
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7358322 |
High IV melt phase polyester polymer catalyzed with antimony containing compounds
A melt phase process for making a polyester polymer melt phase product by adding an antimony containing catalyst to the melt phase, polycondensing the melt containing said catalyst in the melt...
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6936204 |
Thermoplastic molding compositions and polymer additives
A thermoplastic molding composition for making a molded article comprising (i) a polymer component selected from the group consisting of polyethylene terephthalate, a copolyester of polyethylene...
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6740377 |
Polyester having improved crystallization behavior and extrusion blow molded articles made therefrom
A PCT copolyester composition having at least about 70 mole % terephthalic acid and at least about 70 mole % 1,4-cyclohexanedimethanol and an inherent viscosity of greater than about 0.9 dL/g is...
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6221488 |
Modified polyester with high intrinsic viscosity at moderate strength
A method is disclosed of producing a blended fabric of polyester and cotton with superior low pilling characteristics. The method comprises polymerizing a melt consisting essentially of...
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6099778 |
Process for producing pet articles with low acetaldehyde
The present invention discloses a process for producing molded, shaped or extruded articles comprising the steps of: a) melt reacting, in the presence of a catalyst which is substantially free...
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5968429 |
Apparatus and method for molding of polyester articles directly from a melt
The present invention relates to an apparatus and method for producing molded polyester articles. More particularly, the invention concerns an apparatus and method for continuously producing molded...
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5945460 |
Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process
A process for producing polyester articles, which generates little or no polyester waste. The process provides esterification or transesterification of one or more dicarboxylic acids or their...
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5908128 |
Pasteurizable plastic container
A pasteurizable plastic container having movable panels to alleviate internal pressure changes during pasteurization in order to avoid uncontrolled permanent deformation of the container body. As...
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5888598 |
Preform and bottle using pet/pen blends and copolymers
The present invention relates to an injection molded preform comprising an open ended mouth forming portion, an intermediate body forming portion, and a closed base forming portion, wherein said...
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5695710 |
Transesterified pet/pen via melt extrusion
A process for making a transparent blow molded product made of a copolyester of PET and PEN that does not thermally deform at temperatures up to 85-87 C., and the product of that process,...
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5676267 |
Multi-layer containers
A multi-layer preform for forming multi-layer containers includes an extruded inner barrier layer containing polyethylene naphthalate, said inner layer having an upper portion adapted to be formed...
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5658393 |
Method of removing adsorbates from a polyester bottle
A method of removing adsorbates on a polyester bottle, the body of the bottle having a mean crystallinity of 32 to 70%, a methanol adsorption of 1,500 ppm or less and a paraxylene adsorption of 300...
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5645183 |
Multi-layer containers
A container including an upper wall portion formed from at least an inner layer and an outer layer of material wherein the inner layer of material has a first thickness at the upper wall portion....
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5608032 |
Catalytic compositions for the proparation of poly(ethylene terephthalate) with attenuated yellow color
A catalyst composition for use in a polycondensation reaction for making poly(ethylene terephthalate) from terephthalic acid comprising: (a) an antimony salt catalyst present in a range from about...
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5508316 |
Resin composition capable of exhibiting high melt viscoelasticity, aromatic polyester resin foamed body produced therefrom and process for producing the foamed body
There are disclosed a resin composition capable of exhibiting a high melt viscoelasticity comprising 100 parts by weight of an aromatic copolyester resin which contains a branching component unit...
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