Class / Patent application number | Description | Number of patent applications / Date published |
528307000 | Cycloaliphatic ring-containing reactant (other than aryl) | 10 |
20080312406 | POLYESTER PROCESS USING A PIPE REACTOR - The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat transfer, volume control, agitation and disengagement functions. | 12-18-2008 |
20090192286 | Polymers Incorporating 1,3 and 1,4 Cyclohexanedimethanol - A polymer containing a polyester polymer unit having the formula —(I-III-II)—, wherein III is derived form a di-carboxylic acid, wherein I is derived from 1,3 cyclohexanedimethanol, wherein II is derived from 1,4 cyclohexanedimethanol and wherein the polymer is a solid at room temperature. | 07-30-2009 |
20100249364 | CLEANING DEVICE FOR SEPARATING DILACTIDE FROM MIXTURES, POLYMERISATION DEVICE, METHOD FOR SEPARATING DILACTIDE FROM MIXTURES AND USE THEREOF - The present invention relates to a device for separating a biodegradable, intermolecular cyclic diester of an alpha-hydroxycarboxylic acid from material mixtures which contain in addition the alpha-hydroxycarboxylic acid of the diester corresponding thereto. In particular, the diester is thereby dilactide and the acid lactic acid. Furthermore, the present invention relates to a method for separating dilactide from material mixtures, which is based on a modified, distillative method. In addition, the present invention describes a polymerisation device, in particular for preparing polylactide. Likewise, purposes of use of both the devices and of the method are indicated. | 09-30-2010 |
20110230634 | COPOLYMER POLYESTER RESIN AND MOLDED PRODUCT USING SAME - The present invention relates to a copolymer polyester resin and a molded product using the same and more specifically to a copolymer polyester resin that contains 10˜80 mol % of 1,4-cyclohexane dimethanol, 0.1˜30 mol % of a cyclohexane dimethanol compound expressed as HOH | 09-22-2011 |
20110230635 | COPOLYMER POLYESTER RESIN AND MOLDED PRODUCT USING SAME - The present invention relates to a copolymer polyester resin and a molded product using the same and more specifically to a copolymer polyester resin that contains 10˜80 mol % of 1,4-cyclohexane dimethanol, 0.1˜50 mol % of a diol compound expressed as HO—R | 09-22-2011 |
20140018512 | REACTANT COMPOSITION AND POLYESTER MADE THEREFROM - A reactant composition includes: a diol component; a diacid-derived component; and a modifier represented by the following formula (I): | 01-16-2014 |
20140163195 | Bio-Based Terephthalate Polyesters - Bio-based terephthalic acid (bio-TPA), bio-based dimethyl terephthalate (bio-DMT), and bio-based polyesters, which are produced from a biomass containing a terpene or terpenoid, such as limonene are described, as well as the process of making these products. The bio-based polyesters include poly(alkylene terephthalate)s such as bio-based poly(ethylene terephthalate) (bio-PET), bio-based poly(trimethylene terephthalate) (bio-PTT), bio-based poly(butylene terephthalate) (bio-PBT), and bio-based poly(cyclohexylene dimethyl terephthalate) (bio-PCT). | 06-12-2014 |
20140221599 | MOLDED BODY FOR DENTAL USE - Provided is a molded body for dental use, said molded body being made from a polyester resin which as a material for esthetic dentures exhibits excellent fracture resistance and moderate bendability, and which ensures excellent polishability during denture fabrication, and has an alkali resistance which prevents a denture from fracturing due to denture cleaning. This molded body for dental use is made from a polyester resin which is composed of a dicarboxylic acid component containing a terephthalic acid residue, and a glycol component containing a 2,2,4,4-tetramethyl-1,3-cyclobutanediol residue and a 1,4-cyclohexanedimethanol residue, wherein the proportions of the terephthalic acid residue, 2,2,4,4-tetramethyl-1,3-cyclobutanediol residue and 1,4-cyclohexanedimethanol residue in the polyester resin are 30 to 70 mol %, 5 to 25 mol %, and 25 to 50 mol %, respectively. | 08-07-2014 |
20160009857 | BABY BOTTLES COMPRISING POLYESTER COMPOSITIONS WHICH COMPRISE CYCLOBUTANEDIOL | 01-14-2016 |
20160130414 | HEAT SHRINKABLE FILM COMPRISING POLYESTER BASED COPOLYMER - There is provided a heat shrinkable film comprising a polyester based copolymer capable of having an excellent shrinkage rate and being heat shrunk at a low temperature. The heat shrinkable film according to an exemplary embodiment of the present invention includes a polyester based copolymer, wherein the polyester based copolymer includes: a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid; and a diol-derived residue including a residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4′-(hydroxymethyl)cyclohexane carboxylate represented by the following Chemical Formula 1 and a residue derived from 4,4-(oxybis(methylene)bis) cyclohexane methanol represented by the following Chemical Formula 2. | 05-12-2016 |