| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528300000 | Polyhydroxy-containing compound or salt thereof having an ether-oxygen atom as reactant | 10 |
| 20090149626 | SYSTEM FOR PRODUCING LOW IMPURITY POLYESTER - A polyester production facility capable of producing an esterified product stream having a low impurity concentration relative to product streams produced in conventional polyester production facilities. | 06-11-2009 |
| 20120329980 | DiCHDM COPOLYESTERS - This invention relates to a polymer comprising residues of at least one dicarboxylic acid and from about 0.5 mole % to about 100 mole % diCHDM residues, wherein the final polymer comprises substantially equal molar proportions of acid equivalents (100 mole %) and diol equivalents (100 mole %) for a total of 200 mole % for all reactants. | 12-27-2012 |
| 20120289676 | POLYESTER RESIN AND OPTICAL LENS - A polyester resin having a diol unit containing a unit derived from ethylene glycol and a unit derived from a diol represented by the following formula (I), and a dicarboxylic acid unit containing a unit derived from an aromatic dicarboxylic acid in an amount of 50 mol % or more; wherein the entire diol unit contains the unit derived from ethylene glycol in an amount of 40 to 99 mol %, and the unit derived from a diol represented by formula (I) in an amount of 1 to 60 mol %: | 11-15-2012 |
| 528301000 | Acyclic ether-oxygen compound | 7 |
| 20110288264 | POLYETHER ESTER BLOCK COPOLYMER - To provide a polyether ester block copolymer which has surface hardness suitable to be applied to a structural member and excellent in sound deadening quality and tribological property, a polyether ester block copolymer of the present invention comprises (a) aromatic dicarboxylic acid unit, (b) 1,3-propanediol and/or 1,4-butanediol unit and (c) long chain diol unit mainly including polyoxytrimethylene glycol, wherein the durometer hardness (type D), measured according to the principle of the method described in JIS K6253, is 40 or larger and 78 or smaller. | 11-24-2011 |
| 20090253889 | POLY(TRIMETHYLENE-ETHYLENE ETHER) GLYCOLS - Block poly(trimethylene-ethylene ether) glycols are disclosed. The block poly(trimethylene-ethylene ether) glycols can be prepared by the polycondensation of 1,3-propanediol reactant and polyethylene glycol reactant. The block poly(trimethylene-ethylene ether) glycols can be used in breathable membranes, synthetic lubricants, hydraulic fluids, cutting oils, motor oils, surfactants, spin-finishes, water-borne coatings, laminates, adhesives, packaging, films and foams, fibers and fabrics. | 10-08-2009 |
| 20120202964 | COPOLYESTER AND PREPARATION METHOD AND USE THEREOF - A copolyester and preparation method and use thereof are disclosed. In the diacid components constituting the copolyester, the content of the structure unit of terephthalic acid is 90 mol % or more. In the dihydric alcohol components constituting the copolyester, the content of the structure unit of ethylene glycol is 70-99 mol % and the content of the structure unit of aliphatic dihydric alcohol having 6 or less carbon atoms and having a side chain is 1-30 mol %. The copolyester further comprises a structure unit of polyethylene glycol. The copolyester can be made into fiber by common method, and further made into fabric, and the obtained finished-product has good dyeability to disperse dyes under normal temperature and normal pressure. | 08-09-2012 |
| 20120302722 | COPOLYETHER ESTER ELASTOMER - The present invention relates to a new thermoplastic copolyether ester elastomer composition comprising a soft segment and a hard segment. The soft segment of the copolyether ester elastomer composition is derived from a random poly(oxyethylene-co-oxytetramethylene ether)glycol and the hard segment is composed of short chain polyester. The present invention also relates to a method for manufacturing the new copolyether ester elastomer composition, and products comprising same. | 11-29-2012 |
| 20120059143 | PREPARING POLYESTER ALCOHOLS - The subject of the present invention is a process for preparing polyester alcohols by condensation of polytetrahydrofuran with aromatic dicarboxylic acids and/or their anhydrides in the presence of a transesterification catalyst in a multi-stage operation at different pressure levels with at least one reaction stage at atmospheric pressure and at least one reaction stage at reduced pressure, where distillate is removed from the reaction system, which process comprises heating the reaction mixture in two or more phases in the atmospheric-pressure reaction stage wherein the heating phases are interrupted by at least one phase in which the temperature is kept constant. | 03-08-2012 |
| 20120214961 | POLY(BUTYLENE TEREPHTHALATE) ESTER COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES THEREOF - A dimethyl terephthalate residual composition including
| 08-23-2012 |
| 20110160424 | Use Of A Polyester As An Elastomer Component For Gum Bases - A polyester is used as an elastomer component for gum bases. A method of making gum bases which include such polyesters is also disclosed. The polyester includes as polyester-forming components in condensed form; a) at least one aliphatic dicarboxylic acid; b) at least one aliphatic diol; and c) at least one compound having at least three groups capable of ester formation in an amount of from 0.1 to 10.0% by weight, based on the total weight of the polyester, wherein the polyester includes the components a) and b) in an amount of at least 90, in particular at least 95% by weight, based on the total weight of the polyester. | 06-30-2011 |
