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| Number | Title | Issue Date |
| 7951899 | Enzyme-catalyzed polycarbonate and polycarbonate ester synthesis An enzymatic process for preparing aliphatic polycarbonates via terpolymerization or transesterification using a dialkyl carbonate, an aliphatic diester, and an aliphatic diol or triol reactant. A catalyst having an enzyme capable of catalyzing an ester hydrolysis r... | 05/31/2011 |
| 7868125 | Production of non-solid-stated polyester particles having solid-stated properties A process for producing non-solid-stated polyester polymer particles having one or more properties similar to polyester polymer particles that have undergone solid-state processing. In one embodiment, the process comprises (a) forming polyester polymer particles fro... | 01/11/2011 |
| 7786248 | Underfill compositions and methods for use thereof The invention is based on the discovery that certain polyester-linked compounds are useful as components in underfill compositions for the microelectronic packaging industry. ... | 08/31/2010 |
| 7696299 | Fast crystallizing modified polyethylene naphthalate The invention relates to modified Polyethylene Naphthalate (PEN) polymers with fast crystallizing properties, which helps in crystallization of amorphous PEN resin prior to its solid state polymerization (SSP). ... | 04/13/2010 |
| 7652128 | Toner composition A composition including an initiator and an unsaturated sulfopolyester amine resin, and processes for preparing and using thereof. ... | 01/26/2010 |
| 7425432 | Polyhydroxy alkanoate copolymer including within molecule unit having vinyl group or carboxyl group in side chain, and producing method therefor The invention provides a PHA copolymer including at least a 3-hydroxy-ω-carboxyalkanoic acid represented by a formula (19) or (32) and simultaneously at least a unit represented by a formula (2) or a formula (3) in a molecule, a precursor PHA copolymer having a cor... | 09/16/2008 |
| RE40508 | Thermally stable polymers, method of preparation, and articles made therefrom Thermally stable polymers comprising resorcinol arylate chain members are prepared using an interfacial method comprising the steps of: (a) combining at least one resorcinol moiety and at least one catalyst in a mixture of water and at least one organic solvent subs... | 09/16/2008 |
| 7411033 | Vinyl ethers and compositions containing them Disclosed are vinyl ethers and related compositions. The vinyl ethers are the conjugate addition reaction product of reactants comprising a vinyl ether group-containing acrylic ester and a nucleophile. ... | 08/12/2008 |
| 7393912 | Polyhydroxyalkanoate containing amide group, sulfonic group, and sulfonate ester group, method for producing the same, and charge control agent, toner, image forming method, and image forming apparatus A polyhydroxyalkanoate containing in a molecule at least one unit represented by the chemical formula (1). The polyhydroxyalkanoate is a biodegradable plastic with enhanced melt-processability and exhibits excellent charging stability, high chargeability, and enhanc... | 07/01/2008 |
| 7361727 | Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic ester monomer, each containing less than 100-ppm water and having an acid... | 04/22/2008 |
| 7335410 | Composition and process for manufacturing polyester The invention relates to a composition suitable for catalysis in a process for the manufacture of polyester containing as Component I a carrier substance on which catalytically effective metal compounds are adsorbed and as Component II a phosphonic acid compound. | 02/26/2008 |
| 7332548 | Process for production of a polyester product from alkylene oxide and carboxylic acid A process to produce polyester product from alkylene oxide and carboxylic acid. More specifically this process relates to a process to produce polyethylene terephthalate where terephthalic acid and ethylene oxide are reacted to form a partially esterified terephthal... | 02/19/2008 |
| 7329703 | Polymerized macrocyclic oligomer nanocomposite compositions The invention relates to polymers derived from macrocyclic oligomers containing organo clay fillers comprising a) a polymer derived from a macrocyclic oligomer; b) clay platelets; and c) the residue of one or more onium compounds having at least one ligand with a C | 02/12/2008 |
| 7323537 | Catalyst for production of polyester, process for producing polyester using it and titanium-containing polyethylene terephthalate To provide a catalyst for production of a polyester, a process for producing a polyester using the catalyst and a titanium-containing polyethylene terephthalate having excellent characteristics. A catalyst for production of a polyester, characterized by compr... | 01/29/2008 |
| 7309756 | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp... | 12/18/2007 |
| 7300998 | Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins The object of the present invention is to provide a high quality polyester resin having high productivity, stability and safety, a catalyst for polyester production with high catalytic activity, a method for producing the polyester resin with the catalyst, a polyest... | 11/27/2007 |
| 7294672 | Method to form polymeric materials by reverse suspension/emulsion polymerization and compositions formed using that method A method to form a polymeric material is disclosed. The method provides a water immiscible solvent and one or more condensation monomers, where those one or more condensation monomers are essentially insoluble in the water immiscible solvent. The one or more condens... | 11/13/2007 |
| 7279545 | Production method of biodegradable plastic and apparatus for use in production thereof The present invention provides a production method of biodegradable plastic in which polylactic acid is directly synthesized from lactic acid without employing the conventional route of polylactic acid synthesis from lactic acid via lactide, and apparatus for use in... | 10/09/2007 |
| 7273734 | Process for producing a polyester A process for producing a polyester, the process comprising the steps of (1) fermenting a saccharide with a microorganism to obtain at least one substituted α-hydroxy acid represented by the formula: HO—CHR—COOH (wherein R represents a hydrocarbon group having ... | 09/25/2007 |
| 7273733 | Process for the isolation of polyhydroxybutyrate from RLJ B-017 The present invention describes a process for the isolation of polyhydroxybutyrate of the formula 1 by growing a culture of Bacillus mycoides RLJ B-017 in a growth medium and a carbon source selected from ... | 09/25/2007 |
| 7264913 | Antireflective compositions for photoresists The present invention relates to a novel antireflective coating composition comprising a polymer, a crosslinking agent and an acid generator. The present invention further relates to a process for using the novel composition, particularly at 193 nm. The polymer of t... | 09/04/2007 |
| 7256241 | Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters The invention provides methods and formulations involving the use of promoters that accelerate the polymerization of macrocyclic polyester oligomers (MPOs). For example, in certain embodiments, the invention provides blends of macrocyclic polyester oligomer (MPO), c... | 08/14/2007 |
| 7205357 | Polyester resin composition for toner A polyester resin composition for a toner comprising a titanium compound in an amount of from 0.005 to 4% by weight, and an inorganic phosphorus compound in an amount of from 0.001 to 5% by weight; a toner comprising the polyester resin composition as defined above;... | 04/17/2007 |
| 7199205 | Organopolysiloxane-modified polysaccharide and process for producing the same An organopolysiloxane-modified polysaccharide prepared by esterification reacting (A) an organopolysiloxane having residual carboxylic anhydride groups and (B) a polysaccharide having hydroxyl groups, wherein the organopolysiloxane is bonded to the polysaccharide th... | 04/03/2007 |
| 7199211 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane The present invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of the formula where AO is for each AO independently at each instance EO, PO or BO ... | 04/03/2007 |
| 7192538 | Antistatic composition An antistatic composition containing various types of polymers such as a polyamide, an aliphatic polyester, an elastomer thereof and a polyurethane elastomer, and a metal salt in specific amounts, and preferably, an antistatic composition in which an additive compon... | 03/20/2007 |
| 7160660 | Magnetic toner In a magnetic toner having toner particles containing at least a binder resin and a magnetic material, the binder resin is chiefly composed of a resin having a polyester unit synthesized using as a catalyst a tin compound represented by the following Formula (1), an... | 01/09/2007 |
| 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 |
| 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 |
| 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 |
| 7129068 | Process for the isolation of polyhydroxybutyrate from RLJ B-017 The present invention describes a process for the isolation of polyhydroxybutyrate of the formula 1 by growing a culture of Bacillus mycoides RLJ B-017 in a growth medium and a carbon source selected from ... | 10/31/2006 |
| 7125611 | Polyester compositions useful for image-receiving layers The invention relates to a composition comprising a polyester copolymer that comprises (a) recurring dibasic acid derived units and polyol derived units, at least 50 mole % of the dibasic acid derived units comprising dicarboxylic acid derived units each containing ... | 10/24/2006 |
| 7105633 | Soluble poly(aryl-oxadiazole) conjugated polymers This invention discloses a class of soluble poly(arylene-oxadiazole) polymers and copolymers comprising at least 20 repeat units, which may be the same or different, represented by the formula: wherein Arom can b... | 09/12/2006 |
| 7094862 | Method for preparing polyesters having intrachain free acid functions The invention relates to a method for preparing polyesters A containing several mid-chain free acid functions by ring-opening polymerisation in the presence of a chain initiator: the benzyl diester of the tartaric acid, the phenyl radical of which is optionally subs... | 08/22/2006 |
| RE39246 | Esterification catalysts and processes therefor and therewith A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxylic acids, ... | 08/22/2006 |
| 7078544 | Process for producing sterol or stanol esters by enzymatic transesterification in solvent and water free media A process for producing steryl or stanyl esters, comprises the steps of: a) forming a reacting mixture by contacting a lipase with a reactant mixture wherein the reactant mixture comprise sterols or stanols and one or more esters s... | 07/18/2006 |
| 7071291 | Isolation, formulation and shaping of macrocyclic oligoesters Processes for isolating, formulating, and shaping macrocyclic oligesters were developed which allow efficient production of macrocyclic oligoesters substantially free from solvent, which may include additives, fillers, and catalysts. ... | 07/04/2006 |
| 7052765 | Method for manufacturing antibacterial polyester master batches and fibers both containing nano-silver particles A method for manufacturing antibacterial polyester master batches and fibers containing nano-silver particles, the method includes the acts of: mixing a reducing agent, glycol and a silver precursor together to compose a first mixture; esterifying terephthalic acid ... | 05/30/2006 |
| 7045321 | POLYHYDROXYALKANOATE CONTAINING UNIT WITH PHENYLSULFANYL STRUCTURE IN THE SIDE CHAIN, PROCESS FOR ITS PRODUCTION, CHARGE CONTROL AGENT, TONER BINDER AND TONER WHICH CONTAIN NOVEL POLYHYDROXYALKANOATE, AND IMAGE-FORMING METHOD AND IMAGE-FORMING APPARATUS WHICH MAKE USE OF THE TONER A polyhydroxyalkanoate characterized by having in the molecule a unit represented by Chemical Formula (1): wherein n may assume any one integral value within the range of from 1 to 8. Also disclosed are a process for p... | 05/16/2006 |
| 7041755 | Ring-opened azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations are described. The photoiniferters have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 05/09/2006 |
