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Audrey Chung Wu, Gerald Willard McNeely: Title improved infrared absorbing polyester packaging polymer. Arteva North America R L, Gregory N Clements, January 7, 2003: US06503586 (51 worldwide citation)

The present invention relates to a polyester polymer composition containing inorganic black particles in the range of about 5 to about 150 parts per million based on the polymer. The size of the inorganic black particles is greater than about 0.5 microns. Such polyester polymers having inorganic bla ...


2
Audrey C Wu, Xiaoyan Huang, Jim Schwietert: Poly(terephthalic acid diester)-poly(isophthalic acid diester) resin formulations having improved gas barrier properties. Arteva North America R L, Gregory N Clements, November 21, 2000: US06150454 (34 worldwide citation)

The invention is directed to improved poly(terephthalic acid diester)-poly(isophthalic acid diester) resins, and in particular to improved polyethylene terephthalate-polyethylene isophthalate resin formulations, the improved formulations containing nucleating and chain-branching agents. The improved ...


3
Charles J Maurer, Gordon Shaw, Vicky S Smith: Pressure polymerization of polyester. Arteva North America R L, Gregory N Clements, October 3, 2000: US06127493 (32 worldwide citation)

A process is disclosed for the preparation of a polyester polymer or polyester copolymer under superatmospheric pressure conditions in a pipe or tubular reaction under turbannular flow conditions. Reaction material having a glycol equivalents to carboxylic acid equivalents mole ratio of from 1.0:1 t ...


4
Sarah E Caldwell, Jennifer King, John Woodward, Audrey C Wu, Jim Schwietert: Polyester resins containing silica and having reduced stickiness. Arteva North America R L, Gregory N Clements, November 27, 2001: US06323271 (29 worldwide citation)

The invention is directed to polyester resins containing a silica selected from the group consisting of fumed silica, colloidal silica and silica beads, which resin has utility on the production of containers, particularly beverage containers, having reduced stickiness relative to containers made fr ...


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David Anthony Schiraldi, Douglas John Sekelik, Brad Lee Smith: Oxygen scavenging PET based polymer. Arteva North America R L, Gregory N Clements, April 8, 2003: US06544611 (21 worldwide citation)

The present invention improves the effectiveness of the oxygen scavenging composition and maintains an excellent balance in the color properties of the polymer. The present invention relates to an improved oxygen scavenging PET based copolymer comprising from about 10 to about 120 ppm cobalt based o ...


7
Ida L J Pittman, Paul L Latten, Tingdong Lin: Binder fiber and nonwoven web. Arteva North America R L, Gregory N Clements, December 30, 2003: US06670035 (19 worldwide citation)

The present invention comprises a binder fiber containing a metallocene catalyzed polyethylene (mPE) and an adhesion promoters. A web comprising the binder fiber and absorbent is also contemplated. The present invention also comprises a binder fiber containing polyolefin, an adhesion promoter, and a ...


8
Robert Anthony Breznak, Joseph Andrew Foldhazy, Robert Allen Ritchie, Herman Leslie LaNieve III, Wolfgang Alfred Piesczek: Electrically conductive heterofil. Arteva North America R L, Gregory N Clements, June 5, 2001: US06242094 (17 worldwide citation)

An antistatic bicomponent fiber comprises a nonconductive first component made of a first polymer and a conductive second component made of a second polymer containing a conductive material, where the second polymer has a lower melting point than the first polymer. The bicomponent fiber is made by c ...


9
Joseph Anthony Roderiguez, Rodolfo Agustin Flores, Katherine Keever Fulcomer, J Michael Sutherland: Fiber and filament with zinc sulfide delusterant. Arteva North America r l, Gregory N Clements, June 6, 2000: US06071612 (12 worldwide citation)

A process for producing yarn, fiber or filament with substantially improved whiteness, reduced yellowness, reduced abrasiveness, reduced static and softer hand includes melt-blending a masterbatch of zinc sulfide and a polyester with a fiber-forming polyester followed by melt-spinning the blend. The ...


10
David Anthony Schiraldi, Alexei Viktorovich Iretski, Sheldon Christopher Sherman, Laren Malcolm Tolbert, Mark Gilmore White: Acid catalyzed isomerization of substituted diaryls. Arteva North America R L, Gregory N Clements, August 13, 2002: US06433236 (11 worldwide citation)

A substituted diaryl compound or a mixture of substituted diaryl compounds, such as dimethylbiaryl compounds are isomerized by treatment with a strong acid or mixtures of strong acids in the absence of any additional catalyst. The strong acid or mixture of acids has a Hammett acidity of less than ab ...



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