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Polyhydroxy-containing compound or salt thereof having an ether-oxygen atom as reactant

Subclass of:

528 - Synthetic resins or natural rubbers -- part of the class 520 series

528000000 - SYNTHETIC RESINS (CLASS 520, SUBCLASS 1)

528271000 - FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF

528272000 - From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
528300000 Polyhydroxy-containing compound or salt thereof having an ether-oxygen atom as reactant 14
20160096789PROCESS FOR THE PREPARATION OF MONOETHYLENE GLYCOL - The invention provides a process for the preparation of monoethylene glycol from sucrose comprising the steps of: i) hydrolysing sucrose to form a reaction product stream comprising glucose and fructose; ii) separating the reaction product stream comprising glucose and fructose into a fructose or fructose derivative rich stream and a glucose rich stream; and iii) contacting the glucose rich stream with hydrogen in a reactor in the presence of a solvent and a catalyst system with catalytic hydrogenation abilities to produce a product stream comprising monoethylene glycol.04-07-2016
20120329980DiCHDM 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
20120289676POLYESTER 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
20160068629POLYESTER BASED COPOLYMER RESIN AND MOLDED PRODUCT COMPRISING THE SAME - There are provided a polyester based copolymer resin capable of having an excellent shrinkage rate and being heat-shrunk at a low temperature, and a molded product comprising the same. The polyester based copolymer resin includes a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid; and a diol-derived residue including a predetermined residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4′-(hydroxymethyl)cyclohexane carboxylate and a predetermined residue derived from 4,4-(oxybis(methylene)bis)cyclohexane methanol.03-10-2016
20090149626SYSTEM 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
528301000 Acyclic ether-oxygen compound 9
20120214961POLY(BUTYLENE TEREPHTHALATE) ESTER COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES THEREOF - A dimethyl terephthalate residual composition including 08-23-2012
20120202964COPOLYESTER 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
20090253889POLY(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
20150031850Process for Solid-State Polycondensation - The present invention relates to a method as well as an apparatus for fixed phase polycondensation of polyesters, preferably polyethylene terephthalate and/or copolymers thereof, characterised in that the fixed phase polycondensation is performed with polyester prepolymer particles in a reaction chamber in which an absolute pressure predominates in the range from 10 mbar to 200 mbar, preferably 20 to 150 mbar, and a process gas flow in the range of an R-value of 0.005 to 0.05.01-29-2015
20120059143PREPARING 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
20140350212POLYESTER COMPOSITION HAVING DYEABILITY AT ATMOSPHERIC PRESSURE, METHOD FOR PRODUCING SAME, FIBERS COMPRISING SAME AND MOLDED ARTICLE COMPRISING SAME - Provided are: a polyester composition which balances structural stability with dyeability of disperse dyes at less than 100° C. when made into fibers; and a method for producing said polyester composition. This polyester composition having dyeability at atmospheric pressure: contains components comprising dicarboxylic acid, a diol and polyethylene glycol, with the main repeating components comprising ethylene terephthalate; and is characterized in that 5-10 mol % of the total diol component has three carbon chains with side chains, the content of polyethylene glycol in the polyester composition is 2-4 wt %, and the content of cyclic dimers is not more than 0.35 wt %.11-27-2014
20120302722COPOLYETHER 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
20110288264POLYETHER 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
20110160424Use 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

Patent applications in all subclasses Polyhydroxy-containing compound or salt thereof having an ether-oxygen atom as reactant

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