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| Number | Title | Issue Date |
| 7211633 | 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 ar... | 05/01/2007 |
| 7202326 | Glycolic acid copolymer and method for production thereof A glycolic acid copolymer comprising (a) 80 to less than 95% by mole of glycolic acid monomer units, (b) 5.0 to 20.0% by mole of non-glycolic, hydroxycarboxylic acid monomer units, and (c) 0 to 0.10% by mole of diglycolic acid monomer units, the non-glycolic, hydrox... | 04/10/2007 |
| 7202283 | Method for dissolving saturated polyester solution for decomposing saturated polyester and method for decomposition using the same The present invention provides a dissolution method for saturated polyester capable of recycling saturated polyester used in fibers, a film, a bottle and others with ease and a low cost, a solution decomposing saturated polyester and a decomposition method using the... | 04/10/2007 |
| 7198846 | Polytrimethylene terephthalate resin A polytrimethylene terephthalate resin comprising: 90 to 100 mole % of trimethylene terephthalate recurring units, and 0 to 10 mole % of at least one monomer unit obtained from a comonomer other than the monomers used for forming the recurring units and copolymeriza... | 04/03/2007 |
| 7183362 | Process for producing polyester resins In the invention, a polyester resin comprising dicarboxylic acid constitutional units and diol constitutional units wherein 5 to 60 mol % of the diol constitutional units has a cyclic acetal skeleton is produced by a process comprising an oligomerization step and a ... | 02/27/2007 |
| 7179869 | Process for producing polyester resins In the invention, a polyester resin having dicarboxylic acid constitutional units and diol constitutional units wherein 5 to 60 mol % of the diol constitutional units has a cyclic acetal skeleton is produced by a process including an oligomerization step and a polym... | 02/20/2007 |
| 7169860 | Amorphous-crystalline block copolymers Biodegradable block copolyesters obtained from crystalline blocks and amorphous blocks, wherein the repeating units of both blocks are of the dicarboxylic acid/diol type. Said copolyesters are characterized by a melting temperature equal to or less than 15% lower th... | 01/30/2007 |
| 7169859 | Weatherable, thermostable polymers having improved flow composition A copolymer composition comprises an arylate polyester unit, an aromatic carbonate unit, and a soft-block moiety, wherein individual occurrences of the soft block moiety are linked by a spacer unit comprising one or more of the arylate polyester units, one or more o... | 01/30/2007 |
| 7169477 | Composition for preparing porous dielectric thin films The present invention provides a composition for preparing porous dielectric thin films containing pore-generating material, said composition comprising gemini detergent, and/or a quaternary alkyl ammonium salt, a thermo-stable organic or inorganic matrix precursor,... | 01/30/2007 |
| 7166343 | Method of and items for reducing latex exposure Methods of reducing exposure to latex comprise forming an item comprising a biodegradable polyhydroxyalkanoate copolymer comprising two randomly repeating monomer units. The first randomly repeating monomer unit has the structure: | 01/23/2007 |
| 7164046 | Manufacture of polytrimethylene ether glycol The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from an inorganic salt and an inorganic base is utilized during certain purification steps to reduce phase separation time. | 01/16/2007 |
| 7163977 | Method to reduce the aldehyde content of polymers Methods to decrease aldehyde content of a polymer are provided. An effective amount of an additive that contains a P—H functionality is incorporated into the polymer in the presence of an acidic of basic catalyst compositions are also provided. ... | 01/16/2007 |
| 7163694 | Bioerodible poly(ortho esters) from dioxane-based di(ketene acetals), and block copolymers containing them Bioerodible poly(ortho esters) useful as orthopedic implants or vehicles for the sustained delivery of pharmaceutical, cosmetic and agricultural agents from dioxane-based di(ketene acetals). Block copolymers contain these bioerodible poly(ortho esters). These block ... | 01/16/2007 |
| 7161045 | Process for manufacture of polytrimethylene ether glycol A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of ac... | 01/09/2007 |
| 7160707 | Process A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 μm with at least one poly... | 01/09/2007 |
| 7157607 | Manufacture of polytrimethylene ether glycol A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures t... | 01/02/2007 |
| 7157525 | Thermoplastic elastomer resin The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a stabilizer for hydrolysis to a thermoplastic elastomer resin produced t... | 01/02/2007 |
| 7157139 | Polymer manufacturing process A process utilizing PET as a reactive constituent to manufacture other polymers containing the pre-condensed moieties by the rapid transesterification of the condensation polymer with a pre-made modifying polymer containing the desired mix of other monomers. The pro... | 01/02/2007 |
| 7153622 | Electrostatic charge image developing toner, producing method therefor, image forming method and image forming apparatus utilizing the toner, construct and method for making the construct A construct that comprises a base material and a polyhydroxyalkanoate, wherein at least a part of the base material is coated with the polyhydroxyalkanoate, and the polyhydroxyalkanoate comprises a 3-hydroxyalkanoic acid unit other than 3-hydroxypropionic acid unit,... | 12/26/2006 |
| 7151143 | Blends containing macrocyclic polyester oligomer and high molecular weight polymer The invention provides blends of macrocyclic polyester oligomer (MPO) with high-molecular-weight polymer and polymerization catalyst as friable, one-component, ready-to-polymerize materials with long shelf life. The invention also provides methods for preparation an... | 12/19/2006 |
| 7148316 | Hydroxy amide acetals The present invention relates to the preparation of hydroxy-functionalized amide acetals from bis-(beta hydroxy)amines and hydroxyl containing moieties. ... | 12/12/2006 |
| 7148293 | Method for the production of hyperbranched water-soluble polyesters Process for preparing essentially uncrosslinked hyperbranched, water-soluble or water-dispersible polyesters from dicarboxylic acids and polyether polyols having at least 3 OH groups. Water-soluble hyperbranched polyesters which are obtainable by such a process and ... | 12/12/2006 |
| 7144975 | Unsaturated amorphous polyesters based on certain dicidol isomers The invention relates to unsaturated, amorphous polyesters based on certain dicidol isomers and on saturated and/or unsaturated dicarboxylic acids. ... | 12/05/2006 |
| 7144614 | Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of this invention is a polyester polymerization catalyst comprising an al... | 12/05/2006 |
| 7144974 | Polyester production method, polyester composition, and polyester fiber In a polyester production method, a titanium compound having a radical selected from a carbonyl group, a carboxyl group, or an ester group, and a phosphorous compound having a structure illustrated in Formula (I), are added | 12/05/2006 |
| 7141642 | Process for producing polymerizable polybranched polyester The present invention allows the production of a polymerizable hyperbranched polyester by introducing polymerizable unsaturated double bonds into the molecular terminals of a hyperbranched polyester polyol (A), which is obtained by condensation polymerization a poly... | 11/28/2006 |
| 7138179 | Method for preparing biodegradable polyester and itself prepared thereby Disclosed is a method for preparing a biodegradable polymer in the form of uniform powder or spherical particles by dispersion polymerization without a grinding step. The method for preparing a biodegradable polyester includes dispersing a monomer in the presence of... | 11/21/2006 |
| 7135544 | Living olefin polymerization processes Processes for the living polymerization of olefin monomers with terminal carbon-carbon double bonds are disclosed. The processes employ initiators that include a metal atom and a ligand having two group 15 atoms and a group 16 atom or three group 15 atoms. The ligan... | 11/14/2006 |
| 7135530 | Polymeric/oligomeric methacrylate functionalized amide acetals in coatings The present invention relates to polymeric/oligomeric methacrylate functionalized amide acetals are effective in preparing coating composition based on their reaction with isocyanates. ... | 11/14/2006 |
| 7132484 | Continuous process for producing poly (trimethylene terephthalate) A continuous process for the production of poly(trimethylene terephthalate) is disclosed. According to the process, a liquid feed mixture comprising bis-3-hydroxypropyl terephthalate and/or low molecular weight polyesters of 1,3-propanediol and terephthalic acid, th... | 11/07/2006 |
| 7129301 | Method for preparing a biodegradable copolyester A method for preparing a biodegradable copolyester includes: (a) optionally preparing an aromatic prepolymer by reacting a first aromatic dicarboxylic compound with a first aliphatic glycol; (b) reacting the aromatic prepolymer with a second aromatic dicarboxylic co... | 10/31/2006 |
| 7128863 | Heat-shrinkable polyester film having excellent crystallinity Disclosed herein is a heat-shrinkable co-polyester film having terephthalic acid and ethylene glycol as main components and containing 1,4-cyclohexanedimethanol at the amount of 3–40 mol %. The heat-shrinkable co-polyester film has a crystallization temperature of... | 10/31/2006 |
| 7118735 | Cosmetic composition Disclosed herein is a composition, for example, a cosmetic care and/or makeup composition for a keratin material, comprising, in a cosmetically acceptable medium, i) at least one polyester resulting from esterification of at least one Guerbet capped polyester ii) at... | 10/10/2006 |
| 7115686 | Water-dilutable polyester resins A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, mo... | 10/03/2006 |
| 7112650 | Method for the production of thermoplastic poly(3-hydroxyalkanoates) A process for preparing thermoplastic poly(3-hydroxyalkanoates) with a molar mass greater than 6 000 g/mol and a melting point in the range from 70 to 170° C., by reacting an oxirane compound with carbon monoxide in the presence of a transition metal catalyst which... | 09/26/2006 |
| 7112417 | Foam composite for the repair or regeneration of tissue The present patent describes a biocompatible composite made of a first fibrous layer attached to a three-dimensional inter-connected open cell porous foams that have a gradient in composition and/or microstructure through one or more directions. These composites can... | 09/26/2006 |
| 7105260 | Binder resin for toner and toner A binder resin for a toner comprises a polyester component having a specific structure which is not soluble in tetrahydrofuran, and a polyester component having a specific branched structure which is soluble in tetrahydrofuran. The binder resin can provide a toner, ... | 09/12/2006 |
| 7105627 | Polyester stilbene composition A copolyester composition comprising units of residues of a) about 1–40 mole % of trans 3,3′, trans 4,4′ stilbene dicarboxylic acid and the combination thereof, b) about 99˜60 mole % of cis,trans, and the combination thereof of 1,4 cyclohexane dicarboxylic ac... | 09/12/2006 |
| 7101961 | Method for preparation of poly(o-phenylenediamine) Nano-belt The present invention provides a method for preparation of poly(o-phenylenediamine) nano-belt comprising mixing aqueous solutions of o-phenylenediamine and of oxidant in a mole ratio of 1:0.1–1 under stirring; standing for 0.5–2 hrs at room temperature; and obta... | 09/05/2006 |
| 7098300 | Apparatus and process for continuous solid-state poly-condensation in a fluidized reactor with multiple stages Disclosed is a multistage fluidized SSP reactor that tightens the distribution of residence time and the resulting average intrinsic viscosity of the polymer product. Less residence time is needed to achieve a desired average intrinsic viscosity. As the polymer bead... | 08/29/2006 |
