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Synthetic Resins Or Natural Rubbers -- Part Of The Class 520 Series > Synthetic Resins Or Natural Rubbers > Ion-exchange Polymer Or Process Of Preparing > Treating Polyester Treating PolyesterTreating Polyester patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/09/06 - 20060252842 - Separation of contaminants from polyester materials The present invention is generally directed to a process for separating and recovering post-consumer polyester from various contaminant materials. The invention can be utilized to separate post-consumer polyester from various contaminants including glass, dirt, paper, metal, glue, dye, and the like. The disclosed process includes several stages including a preparation ... 09/07/06 - 20060199871 - Multilayered, transparent articles and a process for their preparation Disclosed is a process for the preparation of multilayered, shaped articles having high transparency and low haze and comprising one or more thermoplastic polymers selected from polyesters, polycarbonates, and polyarylates, and a copolyamide or a transamidized, homogeneous blend of a least two polyamides. The thermoplastic polymer components and the polyamide ... 07/20/06 - 20060160909 - Compartmentalized pellet for improved contaminant removal This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is ... 07/06/06 - 20060148914 - Methods and compositions for decolorizing thermoplastics and articles made using such decolorized thermoplastics The invention relates to the use of chemical compositions useful for decolorizing recycle thermoplastics such as oxidizing agents, reducing agents, or photo-initiators combined into thermoplastics such as polypropylene (PP), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polycarbonates (PC), polyethylene (PE), polylactic acid (PLA), nylon, PET copolymers, acrylics, Surlyn™, or other thermoplastics. ... 05/04/06 - 20060094793 - Method for treatment of polyester materials A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a ... 04/06/06 - 20060074136 - Process for recycling polyester materials The present invention is a process for recycling colored polyester. More specifically, colored polyester for recycling is depolymerized by the addition of glycol to form the monomer BHET. The BHET is contacted with activated carbon to remove some colorant. The remaining colorant is extracted with water, alcohol, or glycol to ... 01/05/06 - 20060004114 - Process for production of biaxially oriented films based on crystallizable thermoplastics, using recycled material whose molecular weight has been increased by condensation processes A process is described for production of a biaxially oriented film which comprises at one crystallizable thermoplastic as main constituent and comprises at least 500 ppm, based on the weight of thermoplastic, of a pigment. The production process uses at least 20% by weight, based on the weight of the ... 08/25/05 - 20050187306 - Process for controlled polymerization of a mixed polymer The present invention provides a process for the preparation of high molecular weight crystalline Polyethyleneterephthalate (PET) using up to 50% of Post consumer recycled PET flakes along with Pure Terephthalic Acid (PTA), Isophthalic Acid (IPA) and Mono Ethylene Glycol (MEG) as a virgin raw material, in the presence of a ... ### FreshPatents.com Support |