From Ether, Metal Alcoholate, Or Alcohol Group-containing Carboxylic Acid; Or From A Derivative Of A Carboxylic Acid Which Derivative Contains An Ether, Metal Alcoholate, Or Alcohol Group Patents (Class 528/361)
  • Patent number: 11787932
    Abstract: A polyester blend is made in a reaction of a linear polylactide resin and a thermoplastic epoxy group-containing polymer. The polyester blend is blended with a polyester having a glass transition temperature below 0C to form a polyester blend that is particular useful for making paperboard coatings in a melt extrusion process.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 17, 2023
    Assignee: NatureWorks LLC
    Inventors: Aman Kulshrestha, Eric Meierdierks, Joshua Weed, Nicole Whiteman
  • Patent number: 11787900
    Abstract: Disclosed is a copolymer comprising a hydroxyacid, wherein the copolymer is biodegradable with a decomposition temperature is substantially higher than its melting temperature. Also disclosed is a method of synthesis of a poly(pivalolactone-co-caprolactone) copolymer.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: October 17, 2023
    Assignee: Massachusetts Institute of Technology
    Inventors: Kristala L. Jones Prather, Desiree Plata, Bradley D. Olsen, Wontae Joo, Sarah Av-Ron, K'yal Rasean Bannister, Omar Tantawi
  • Patent number: 11512063
    Abstract: A method for synthesizing functionalized bio-based crosslinkers including forming a first mixture by mixing a bio-based carboxylic acid with an alkaline solution and forming a second mixture containing a functionalized bio-based crosslinker by reacting the bio-based carboxylic acid with a modifier. The modifier includes at least one of an epoxide group and an acrylate group. Reacting the bio-based carboxylic acid with the modifier includes forming a reaction mixture by mixing the first mixture with the modifier and exposing the reaction mixture to at least one of heating, ultrasound radiation, and microwave radiation.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: November 29, 2022
    Inventors: Kourosh Kabiri Bamoradian, Zeinab Karami, Mohammad Jalaloddin Zohuriaan-Mehr
  • Patent number: 11401352
    Abstract: The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO3Xa, —PO3Xa and —COOXa, whereas Xa is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: August 2, 2022
    Inventors: Marco Avataneo, Ugo De Patto, Giuseppe Marchionni, Mirko Tavano
  • Patent number: 11306202
    Abstract: A composition including at least one polyhydroxyalkanoate (PHA) having saturated side chains dissolved in at least one aromatic solvent between 50 g/1 and 200 g/l and preferably between 80 g/l and 180 g/l. The at least one PHA has a weight-average molecular weight (Mw) not greater than 250,000 Da and preferably not greater than 150,000 Da. This composition is particularly suitable as a binder for coating products. The composition can be produced by mixing the PHA with the aromatic organic solvent and heating the mixture at a temperature close to the PHA melting temperature, maintaining the mixture under stirring until complete dissolution of the polymer. Alternatively, the composition can be produced by dissolution of the PHA in a non-aromatic organic solvent having low boiling temperature where the PHA is highly soluble, subsequent addition of the aromatic organic solvent and subsequent removal of the non-aromatic organic solvent by fractional distillation.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: April 19, 2022
    Assignee: BIO-ON S.P.A.
    Inventors: Olga Bortolini, Alessandro Massi, Dario Cristofaro, Simone Begotti
  • Patent number: 11286510
    Abstract: Provided are a novel 3-hydroxypropionate-lactate block copolymer [P(3HP-b-LA)], and a method for preparing same, comprising: a) transforming a recombinant microorganism modified to be incapable of biosynthesizing lactic acid with a vector including a 3-hydroxypropionyl-CoA biosynthesis gene and a polyhydroxyalkanoate (PHA) synthetase gene, and a vector including a lactate biosynthesis gene and a gene of an enzyme that converts lactate to lactyl-CoA; (b) synthesizing poly(3-hydroxypropionate) (P(3HP)) by culturing the recombinant microorganism using a glycerol as a carbon source; and (c) inhibiting P(3HP) production by adding IPTG and glucose, and biosynthesizing polylactate (PLA) at the end of P(3HP) synthesized in step (b) by enabling the expression of a lactate biosynthesis enzyme and an enzyme that converts lactate to lactyl-CoA. Also provided is a recombinant microorganism produced in step a).
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: March 29, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Hye Ok Kang, Donggyun Kang, Chul Woong Kim, In Young Huh, Jung Yun Choi
  • Patent number: 11078140
    Abstract: A process is described for producing 1,3-butanediol, wherein an ester of poly-(R)-3-hydroxybutyrate such as formed by transesterification with an alcohol is reduced by hydrogenation in the presence of a skeletal copper-based catalyst to provide 1,3-butanediol. The 1,3-butanediol may be transesterified by reaction with additional poly-(R)-3-hydroxybutyrate ester to produce (R)-3-hydroxybutyl (R)-3-hydroxybutyrate.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: August 3, 2021
    Inventors: Paul D. Bloom, Chi-Cheng Ma, Kevin J. Martin, Brennan Smith
  • Patent number: 10759899
    Abstract: The invention discloses a class of new polymers, trans-ring-fused poly(4-hydroxybutyrate)s (RF-P4HB) that exhibit a unique set of properties, including robust thermal stability and mechanical strength, quantitative recyclability to the building block monomers via thermolysis and/or chemical catalysis, and convenient production from the chemical ring-opening polymerization under ambient temperature and pressure. Another unique property is the formation of crystalline stereocomplexed polymers with high melting temperature upon mixing the two enantiomeric RF-P4HB chains via stereocomplexing co-crystallization. This invention also provides the corresponding ring-fused lactone monomer structures that enable the synthesis of the RF-P4HB polymers, through trans-fusing of rings to the parent ?-butyrolactone ring. Furthermore, a polymerization or copolymerization process for the synthesis of RF-P4HB polymers and copolymers is disclosed.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 1, 2020
    Assignee: Colorado State University Research Foundation
    Inventors: Eugene Y. Chen, Jian-Bo Zhu
  • Patent number: 10528202
    Abstract: A piezoelectric sensor includes: a piezoelectric sheet which is stretched in a uniaxial direction; an electrode which detects electric charges generated in the piezoelectric sheet; and an optical compensation layer which includes a slow axis stacked on at least one side of the piezoelectric sheet and intersects the uniaxial direction, and optically compensates for a phase difference produced when the piezoelectric sheet is stretched in the uniaxial direction.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: January 7, 2020
    Inventors: Kenichi Mori, Hidekazu Kano
  • Patent number: 10508232
    Abstract: The present invention provides polymer composites, such as films, having dispersed therein quantum dots, wherein the polymer comprises (b) polymerized units of a first compound comprising from one to 6 thiol groups, the compound having a molecular weight from 300 to 20,000 and having at least one continuous acyclic hydrocarbyl chain of at least three carbon atoms, or, preferably, at least 5 carbon atoms; and (c) polymerized units of a second compound having a molecular weight from 100 to 750 and comprising at least two polymerizable vinyl groups as part of a (meth)acrylate ester group or attached directly to an aromatic ring and, wherein the molecular weight of the first compound minus the molecular weight of the second compound is at least 100. The polymer composites provide more stably dispersed and durable quantum dot compositions for use in, for example, display devices.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: December 17, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jessica Ye Huang, Liang Chen, Yiyong He, Xiaoyun Chen
  • Patent number: 10312505
    Abstract: The present invention relates to a production method of a block copolymer (PFPEG) formed by PEG fluorenes and thiophene blocks. The block copolymer (PFPEG) increases the conductivity of the electrolyte active material. The binding of both the active material to itself and to the base material increase the flexibility of the copolymer when used in the electrodes of lithium batteries. The present invention also relates to a usage of the block copolymer (PFPEG) in lithium batteries.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 4, 2019
    Inventors: Neslihan Yuca, Murat Ferhat Dogdu, Omer Suat Taskin, Mehmet Emre Cetintasoglu
  • Patent number: 10072255
    Abstract: This invention relates to a microorganism that produces a polyhydroxyalkanoate (PHA) copolymer with a regulated monomer composition ratio and comprises a (R)-specific enoyl-CoA hydratase gene in the genome DNA, wherein a nucleotide sequence upstream of the (R)-specific enoyl-CoA hydratase gene comprises a modification consisting of a substitution(s), a deletion(s), an insertion(s), and/or an addition(s) of one or a plurality of nucleotides so that the expression of the (R)-specific enoyl-CoA hydratase gene is regulated, and to a method for producing a PHA copolymer using the microorganism.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: September 11, 2018
    Inventors: Hisashi Arikawa, Shunsuke Sato, Keiji Matsumoto
  • Patent number: 9845377
    Abstract: A method for preparing high molecular weight poly(L-lactic acid) with high performance, including: a) providing a biogenic guanidine (BG) as a catalyst, and a nontoxic acid salt of an essential metal trace element as an activator (Act), and adding the catalyst, the activator, and L-lactide monomer to a polymerization reactor; b) evacuating under vacuum and charging the polymerization reactor with nitrogen for three consecutive times to remove air, and allowing the L-lactide monomer to undergo bulk polymerization under vacuum. The bulk polymerization includes a first reaction stage and a second reaction stage, which are separately carried out at different temperatures, pressures, and reaction times.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: December 19, 2017
    Inventors: Hong Li, Quanxing Zhang, Xupeng Zong, Aimin Li, Wei Huang, Wei Jiang
  • Patent number: 9803039
    Abstract: A curable precursor composition for a fluoroelastomers, methods of making fluoroelastomers, shaped articles and methods of making shaped articles.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: October 31, 2017
    Inventors: Steven G. Corveleyn, Gregg D. Dahlke, Rudolf J. Dams, Werner M. A. Grootaert, Miguel A. Guerra, Anthony P. Manzara, Tom Opstal
  • Patent number: 9793483
    Abstract: Disclosed are a diamine represented by the following formula, a polyimide and a polyamide using the same as the raw material, a cyclized product thereof, and a method for producing the same. In the formula, A represents a single bond, an ether bond, a sulfide bond, CO, CH2, SO, SO2, C(CH3)2, NHCO or C(CF3)2, or a bivalent group having an aliphatic ring, a hetero ring or an aromatic ring, R1 represents a C1-4alkyl group or a halogen group, and each of “a” and “b” independently represents an integer of 0-2, and 1?a+b?4. The polyimide and the polyamide are a fluorescent polyimide and a fluorescent polyamide that are easily soluble in organic solvents to the extent that they can be formed into a film by a wet process when making an optical device, that have heat resistance and strength when formed into a film, and that have superior fluorescent characteristics.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: October 17, 2017
    Assignee: Central Glass Company, Limited
    Inventors: Hiroki Uoyama, Kazuhiro Yamanaka
  • Patent number: 9777302
    Abstract: This document describes biochemical pathways for producing 5-hydroxypentanoate methyl ester and pentanoic acid pentyl ester using one or more of a fatty acid O-methyltransferase, an alcohol O-acetyltransferase, and a monooxygenase, as well as recombinant hosts expressing one or more of such exogenous enzymes. 5-hydroxypentanoate methyl esters and pentanoic acid pentyl esters can be enzymatically converted to glutaric acid, 5-aminopentanoate, 5-hydroxypentanoate, cadaverine, or 1,5-pentanediol.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: October 3, 2017
    Inventors: Alex Van Eck Conradie, Adriana Leonora Botes, Ramdane Haddouche
  • Patent number: 9758927
    Abstract: A method for reducing force needed for ironing a fabric comprising laundering the fabric with a composition comprising a linear polyether having a weight average molecular weight less than 5000 that is terminated with —N—(—CH2—CH(OH)—CH2—Cl)2, wherein the linear polyether is deposited on the fabric and reduces the force needed for ironing.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: September 12, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Ana Acosta, Jose Javier Tovar Pescador, Amit Sachdev, Oscar Bautista Cid
  • Patent number: 9711710
    Abstract: A specific region of a polylactic acid sheet is heated by a microwave. To allow the polylactic acid sheet to exhibit piezoelectricity in the thickness direction of the polylactic acid sheet, a high voltage is applied to the heated polylactic acid sheet in the thickness direction of the polylactic acid sheet, and thereby the screw axes of at least a part of the polylactic acid molecules are relatively aligned with the thickness direction. Then the polylactic acid sheet is rapidly cooled, and thereby the polylactic acid molecules are immobilized. The same step is executed for other regions of the polylactic acid sheet, and thereby piezoelectricity is imparted to a wide area of the polylactic acid sheet in the thickness direction. The resultant piezoelectric sheet is capable of exhibiting a high piezoelectricity in the thickness direction.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: July 18, 2017
    Inventors: Masamichi Ando, Yoshiro Tajitsu
  • Patent number: 9434908
    Abstract: Methods for extracting an extract of volatile odorous compounds from an organic raw material containing odorous compounds is disclosed. The method includes contacting an organic raw material with dimethyl carbonate, as a solvent, in at least one bath at a temperature of 10° C. to 70° C. A liquid organic phase is obtained that includes the dimethyl carbonate charged with volatile odorous compounds and is collected. If the liquid organic phase comprises an immiscible aqueous phase, decanting occurs to separate the dimethyl carbonate charged with odorous compounds therefrom thereby eliminating the aqueous phase. Next, partially eliminating by evaporation forms a pre-concentrated extract of volatile odorous compounds, which is recovered and if water is present, decanting occurs to eliminate the water. Additionally, concentrating the pre-concentrated extract of volatile odorous compounds by evaporation is performed to obtain the extract of volatile odorous compounds.
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: September 6, 2016
    Assignee: CHARABOT
    Inventor: Sophie Lavoine-Hanneguelle
  • Patent number: 9381481
    Abstract: The present disclosure relates to a liquid dispersant of the formula I wherein T is selected from a polyethylene imine (PEI) or modified PEI moiety, polyvinylamine (PVA) or modified PVA, or polyallylamine (PAA) or modified PAA; B is a branched monomer; R1 and R2 independently of one another are hydrophobic groups; X is B with —OH terminal group, or R1 or R2, q is a number between 5-2000, with the proviso that q is less than the sum of all amine groups of PEI, PVA, PAA; and n is a number of 1-6.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: July 5, 2016
    Assignee: BASF SE
    Inventors: Huiguang Kou, Haiyang Yu, Yanfei Liu, Weiqiu Hu
  • Patent number: 9284471
    Abstract: A coated thermoplastic film and a method of making the coated film, wherein at least one side of the film is coated with a coating composition, the coating composition comprising the reaction product of a polyalkyleneimine having at least primary nitrogens, and an epoxide compound having at least one epoxide moiety and a weight average molecular weight (Mw) of at least 200 g/mole. The weight of the dried coating compound on each side of the film is within the range from 0.005 g/m2 to 0.100 g/m2, and is especially useful in coating films to allow for printability when the film surface will be exposed to high levels of silicon that might come from, for example, release paper/films.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: March 15, 2016
    Inventor: Dennis E. McGee
  • Patent number: 9187593
    Abstract: A PLG copolymer material, termed a PLG(p) copolymer material, adapted for use in a controlled release formulation for a bioactive material is provided, wherein the formulation exhibits a reduced “initial burst” effect when introduced into the tissue of a patient in need thereof. A method of preparation of the PLG copolymer material is also provided, as are methods of use.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: November 17, 2015
    Assignee: Tolmar Therapeutics, Inc.
    Inventors: Eric Dadey, John Middleton, Richard L. Norton
  • Patent number: 9120919
    Abstract: The present invention relates to polymer compositions namely biodegradable segmented block copolymers comprising polyol residues having a number average molecular weight of at least 4000 Daltons and in that the polyols are connected by actual linkages.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: September 1, 2015
    Assignee: Smith & Nephew, Inc.
    Inventor: Malcolm Brown
  • Patent number: 9101654
    Abstract: Bioresorbable compositions for treating skeletal tissue are disclosed. The biomedical compositions are formed from a polylactide polymer, a polyglycolide polymer, or a poly(lactic-co-glycolic acid) polymer having a relatively low molecular weight. For instance, the average number molecular weight of the polymer is generally less than 10,000, such as from about 500 to about 5,000. Fumarate groups are incorporated into the low molecular weight polymer that provide crosslinking sites. If desired, ethyl-lene oxide groups and ceramic particles may also be incorporated into the polymer for producing compositions having a variety of properties. For example, the biomedical composition of the present disclosure can be used to treat soft skeletal tissue or to treat hard skeletal tissue. The biomedical compositions are biodegradable and can contain various therapeutic, beneficial and pharmaceutical agents that may be released during degradation of the polymer.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: August 11, 2015
    Assignee: University of South Carolina
    Inventor: Esmaiel Jabbari
  • Patent number: 9096708
    Abstract: A partially esterified epoxy resin and an epoxy resin composition applied with the same, and a method for preparing the composition are provided. The preparation method includes the following steps. A bifunctional epoxy resin and an anhydride are mixed and heated, wherein the number of equivalent moles of the bifunctional epoxy resin is greater than that of the anhydride, to form a partially esterified epoxy resin. A curing agent is mixed into the partially esterified epoxy resin to form a mixed solution. The mixed solution is cured to form the partially esterified epoxy resin composition.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: August 4, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Tien-Shou Shieh, Chih-Hsiang Ho, Pei-Ching Liu
  • Patent number: 9085521
    Abstract: A process for producing lactic acid from glycerol using a reaction mixture comprising glycerol, a dehydrogenation catalyst (preferably a copper-based catalyst), an alkaline component, and water.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: July 21, 2015
    Inventors: Raghunath V. Chaudhari, Bala Subramaniam, Debdut S. Roy
  • Patent number: 9062159
    Abstract: A method for synthesizing a medical grade biodegradable material, poly(lactic-co-glycolic acid), copolycondensation of lactic acid and glycolic acid catalyzed by biomass creatinine. The present invention uses commercialized creatinine (a type of biomaterial organic guanidine compounds—the arginine metabolite creatinine (CR) in human body) as the catalyst and industrial lactic acid (LA, mass content 85%, aqueous solution) and glycolic acid (GA, 95%) as the monomer to synthesize the high biosafety of medical poly(lactic-co-glycolic acid) in terms of two steps polycondensation without solvent.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: June 23, 2015
    Assignee: Nanjing University
    Inventors: Hong Li, Quanxing Zhang, Wei Jiang, Bingcai Pan
  • Patent number: 9062006
    Abstract: Disclosed is a high molecular weight polylactic acid synthesized by using a method for synthesizing and catalytically-polycondensing bionic creatinine-guanidinium chloride. Creatinine is used as the material in a reaction with aqueous hydrochloric acid to synthesize a bionic creatinine-guanidinium salt catalyst, creatinine-guanidinium chloride (CR.Cl). The creatinine-guanidinium chloride synthesized is used as a catalyst, an industrial grade lactic acid (LA, 85% to 90%, aqueous solution) is used as a monomer, a solvent-free two-step polycondensation method is used to synthesize and afford metal-free and toxic residue-free polylactic acid featuring high biological safety and high molecular weight.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: June 23, 2015
    Inventors: Hong Li, Quanxing Zhang, Wei Huang, Wei Jiang, Xupeng Zong, Bingcai Pan
  • Publication number: 20150147276
    Abstract: The invention provides compositions and methods for targeted controlled drug release. The compositions and methods can be used for treating or imaging vascular stenosis, stenotic lesions, occluded lumens, embolic phenomena, thrombotic disorders and internal hemorrhage.
    Type: Application
    Filed: June 7, 2013
    Publication date: May 28, 2015
    Inventors: Donald E. Ingber, Netanel Korin, Mathumai Kanapathipilai, Oktay Uzun, Anne-Laure Papa
  • Publication number: 20150144836
    Abstract: The invention is directed towards methods and compositions for preventing dusting problems in mineral supplement. The method involves treating the mineral supplement or a dust releasing material with a composition comprising polymerized organic acid.
    Type: Application
    Filed: November 25, 2013
    Publication date: May 28, 2015
    Applicant: Ecolab USA Inc.
    Inventors: Daniel N. T. Hay, Peter A. Dimas
  • Publication number: 20150148513
    Abstract: The invention provides non-naturally occurring microbial organisms having a 4-hydroxybutyrate, 1,4-butanediol, or other product pathway and being capable of producing 4-hydroxybutyrate, 1,4-butanediol, or other product, wherein the microbial organism comprises one or more genetic modifications. The invention additionally provides methods of producing 4-hydroxybutyrate, 1,4-butanediol, or other product or related products using the microbial organisms.
    Type: Application
    Filed: June 3, 2013
    Publication date: May 28, 2015
    Applicant: Genomatica, Inc.
    Inventors: Priti Pharkya, Anthony P. Burgard, Stephen J. Van Dien, Robin E. Osterhout, Mark J. Burk, John D. Trawick, Michael P. Kuchinskas, Brian Steer
  • Publication number: 20150141614
    Abstract: The present invention provides a method for producing a polyester resin comprising dicarboxylic acid units and diol units, wherein at least a portion of the diol units is a diol unit having a cyclic acetal skeleton, the method comprising specific steps (1) to (4-2).
    Type: Application
    Filed: May 30, 2013
    Publication date: May 21, 2015
    Inventors: Tatsuya Yamauchi, Junichi Edahiro, Yasuhiro Kushida, Takami Morishita
  • Publication number: 20150126615
    Abstract: Compositions of P4HB with high purity have been developed. The compositions are prepared by washing P4HB biomass prior to solvent extraction, and precipitating P4HB from solution. The same solvent is preferably used to wash the P4HB biomass, and as a non-solvent to precipitate the polymer from a P4HB solvent solution. The highly pure P4HB compositions are suitable for preparing implants. The implants may be used for the repair of soft and hard tissues.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 7, 2015
    Inventors: David P. Martin, Simon F. Williams
  • Patent number: 9023977
    Abstract: A method of making a fluoropolyether elastomer containing triazine groups and having a glass transition temperature of less than ?40° C.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: May 5, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Steven G. Corveleyn, Rudolf J. Dams, Werner M. A. Grootaert, Gregg D. Dahlke, Miguel A. Guerra
  • Publication number: 20150118152
    Abstract: Compositions of P4HB (poly-4-hydroxybutyrate) and copolymers thereof, have been developed for pultrusion, as well as processes to produce profiles from these compositions by pultrusion. These pultrusion processes provide profiles without causing structural damage to the surface of the profile. The profiles may be used in medical applications. These compositions include P4HB, and copolymers thereof, having intrinsic viscosities less than 3.2 dl/g but greater than 0.8 dl/g. The profile may be formed using conditions such as: pull rate of 0.1 to 100 mm/min, die temperature of up to 95° C., rod stock temperature up to 95° C., draw ratio of up to 100×, pulling force of greater than 10 MPa, and clamping pressure at least 10% higher than the pulling force. Preferably, the profile is formed by pulling the rod stock through a series of dies placed at intervals with the hole sizes decreasing in diameter by 0.1 to 10 mm.
    Type: Application
    Filed: October 30, 2014
    Publication date: April 30, 2015
    Inventors: Amit Ganatra, Bhavin Shah, Said Rizk, David P. Martin, Simon F. Williams
  • Publication number: 20150112041
    Abstract: A method of producing lactic acid includes removing glycerol from an aqueous lactic acid solution containing glycerol as an impurity using an ion-exchange resin. The lactic acid can be separated simply and at low cost from an aqueous lactic acid solution containing glycerol as an impurity.
    Type: Application
    Filed: May 21, 2013
    Publication date: April 23, 2015
    Inventors: Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Publication number: 20150105533
    Abstract: The invention provides method for sequestering or trapping L-lactate in or near a tumor cell comprising contacting an isolated polymer of D-lactic acid (PDLA) or an equivalent, derivative or analog thereof with the tumor cell so that the PDLA binds L-lactate in or near the cell and thereby sequestering or trapping L-lactate in or near the tumor cells.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 16, 2015
    Inventors: Joel S. Goldberg, Joe Brice Weinberg
  • Patent number: 9006382
    Abstract: The present invention related to compositions and methods of producing polyesters with two and/or more different structural units and the materials of polyesters with structure sequence exactly specified therefore produced, and various articles produced from such exactly sequenced polyesters. More particularly, homogeneous copolymers with precisely defined sequences of various hydroxyl acids and their derivatives are produced according to the present invention.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: April 14, 2015
    Assignee: Molecon, Inc.
    Inventor: Bin Huang
  • Patent number: 8992799
    Abstract: A polymer composite composed of a polymerized mixture of functionalized carbon nanotubes and monomer which chemically reacts with the functionalized nanotubes. The carbon nanotubes are functionalized by reacting with oxidizing or other chemical media through chemical reactions or physical adsorption. The reacted surface carbons of the nanotubes are further functionalized with chemical moieties that react with the surface carbons and selected monomers. The functionalized nanotubes are first dispersed in an appropriate medium such as water, alcohol or a liquefied monomer and then the mixture is polymerized. The polymerization results in polymer chains of increasing weight bound to the surface carbons of the nanotubes. The composite may consists of some polymer chains imbedded in the composite without attachment to the nanotubes.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: March 31, 2015
    Assignee: Hyperion Catalysis International, Inc.
    Inventors: Chunming Niu, Lein Ngaw
  • Publication number: 20150087802
    Abstract: A method for producing polyhydroxyalkanoate (PHA) comprises the steps of culturing in a culture medium comprising pyrolysis wax obtained from the pyrolysis of polyethylene and optionally a surfactant one or more bacterial strains which are capable of accumulating PHA from pyrolysis wax, and recovering the PHA from the culture medium. Typically, the bacterial strains are selected from the group consisting of: A. calcoaceticus BD413; A. calcoaceticus RR8; B. sepacia RR10; P. aeruginosa 3924; P. aeruginosa GL-1; P. aeruginosa PAO1; P. aeruginosa RR1; and P. olevorans.
    Type: Application
    Filed: June 26, 2014
    Publication date: March 26, 2015
    Inventors: Kevin O'Connor, Maciej GUZIK, Ramesh PADAMATI, Shane KENNY
  • Publication number: 20150087732
    Abstract: Disclosed is an elastomer synthesized by a reacting epoxidized vegetable oil with carboxylic acid to form the elastomer compound. More specifically, disclosed herein is an elastomer compound having a polyester component. The method for making the elastomer comprises mixing a polybasic acid with an alcohol solvent to form a solution, reacting said solution having carboxylic groups with epoxidized vegetable oil, and heating the solution at a range of approximately 50° C. to 80° C., wherein an amorphous polyester elastomer is formed. Also disclosed is an elastomer foam product formed by a reacting epoxidized vegetable oil with carboxylic acid.
    Type: Application
    Filed: September 5, 2014
    Publication date: March 26, 2015
    Inventor: Zengshe Liu
  • Publication number: 20150087031
    Abstract: The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products. Also provided are hemicellulose sugars, cellulose sugars, lignin, cellulose, and other high-value products.
    Type: Application
    Filed: May 3, 2013
    Publication date: March 26, 2015
    Inventors: Robert Jansen, Claire Gregoire, philip Travisano, Lee Madsen, Neta Matis, Yael Har-Tal, Shay Eliahu, James Alan Lawson, Noa Lapidot, Luke Burke, Aharon M. Eyal, Timothy Allen Bauer, Hagit Sade, Paul Mcwilliams, Ziv-Vladimir Belman, Bassem Hallac, Michael Zviely, Yelena Gershinksy, Adam Carden
  • Patent number: 8981040
    Abstract: Provided is a cationically polymerizable resin which is rapidly cured upon irradiation with light and forms a cured product excellent in flexibility and thermal stability. The cationically polymerizable resin is obtained through radical polymerization of an oxetane-ring-containing (meth)acryloyl compound represented by following Formula (1) alone or in combination with another radically polymerizable compound. In the formula, R1 represents hydrogen atom or methyl group; R2 represents hydrogen atom or an alkyl group; and “A” represents a linear or branched chain alkylene group having 2 to 20 carbon atoms.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: March 17, 2015
    Assignee: Daicel Corporation
    Inventors: Naoko Araki, Yoshinori Funaki, Kiyoharu Tsutsumi, Tomoaki Mahiko
  • Patent number: 8980593
    Abstract: This invention relates to the production of short-chain polyhydroxyalkanoate biopolymers which include C3 to C5 3-hydroxyacyl monomers. The process includes culturing a native microorganism capable of synthesizing polyhydroxyalkanoate biopolymers using as a carbon source an amount of glycerol, levulinic acid and mixtures thereof that drives the microbial synthesis of polyhydroxyalkanoate biopolymers.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: March 17, 2015
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Richard D Ashby, Daniel K. Y. Solaiman, Gary D Strahan
  • Publication number: 20150072142
    Abstract: The present invention provides a polylactic acid film or sheet having tear strength so as not to break or tear during, for example, production or processing of the film or sheet or winding thereof into a roll, and causing neither melt nor deformation at high temperatures more than 100° C. In the polylactic acid film or sheet according to the present invention, the tear strength is not less than 100 N/mm when the film or sheet is torn at least in a flow direction (MD), a rate of dimensional change due to heating is not more than ±3% in the flow direction (MD) and a transverse direction (TD), and a rate of dimensional change due to loaded heating is not more than ±3% in the flow direction (MD).
    Type: Application
    Filed: December 21, 2012
    Publication date: March 12, 2015
    Inventors: Hiroki Senda, Shigeki Ishiguro, Satomi Yoshie, Yuka Sekiguchi, Rie Hayashiuchi, Asuka Endo
  • Patent number: 8975349
    Abstract: Disclosed is a cationically polymerizable resin composition which includes an oxetane-ring-containing vinyl ether compound (A) and/or an alicyclic-epoxy-containing vinyl ether compound (B); and an oligomer or polymer (C) having a molecular weight of 500 or more, being liquid at 0° C., and containing at least one of structures represented by following Formulae (1a) to (1f), wherein Rx represents hydrogen atom or methyl group; R1 to R3 each independently represent a hydrocarbon group having 1 to 5 carbon atoms; “a” is an integer of from 0 to 5; and “b” is 1 or 2. This cationically polymerizable resin composition has a low viscosity, is easy to work, cures extremely rapidly upon irradiation with light, and can give a cured object excellent in flexibility, thermal stability, and bendability after heat treatment.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: March 10, 2015
    Assignee: Daicel Corporation
    Inventors: Yoshinori Funaki, Kiyoharu Tsutsumi, Tomoaki Mahiko, Naoko Araki
  • Publication number: 20150065682
    Abstract: The synthesis of certain medium and long chain ?-hydroxy esters and certain ?-hydroxy fatty acids is disclosed. Such ?-hydroxy esters and ?-hydroxy fatty acids are derived from natural oils, and their corresponding polymers were obtained by melt polycondensation. Additionally, the present effort investigates the effects of structural and molecular parameters on the thermal and mechanical properties of ?-hydroxy ester based polymers. Additionally, the present effort investigates the co-polymerization of ?-hydroxy ester based polymers.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventors: Suresh Narine, Laziz Bouzidi, Shaojun Li, Jesmy Jose, Ghazaleh Pourfallah
  • Publication number: 20150056131
    Abstract: Methods to produce thermoforms from P4HB homopolymer and blends thereof have been developed. These thermoforms are produced from films and sheets including P4HB, wherein the intrinsic viscosity of the P4HB is less than 3.5 dl/g, but greater than 0.35 dl/g, and the thermoforms are produced at a temperature equal to or greater than the softening point of P4HB, and more preferably at a temperature higher than the melting point of P4HB. A preferred embodiment includes a P4HB thermoform wherein a film or sheet including a P4HB polymer is thermoformed at a temperature between its melting point and 150° C. In a particularly preferred embodiment the thermoform is a laminate made from a P4HB film and a P4HB mesh.
    Type: Application
    Filed: August 20, 2014
    Publication date: February 26, 2015
    Inventors: Matthew Bernasconi, Dennis Connelly, Said Rizk, David P. Martin, Simon F. Williams
  • Patent number: 8952106
    Abstract: The present invention is directed to linear, biodegradable polyesteramide (PEA) polymers synthesized with repeating units derived from aminophenol esters and diacids. These PEAs have a monomer repeat represented by as well as a variety of uses to coat, form or comprise medical devices, combination medical devices and pharmaceutical compositions, including sustained release formulations.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: February 10, 2015
    Assignee: TYRX, Inc.
    Inventors: Arthur Schwartz, Satish Pulapura, Sarita Nethula, Archana Rajaram, Arikha Moses
  • Patent number: 8952123
    Abstract: The present invention is directed to polymeric materials comprising biodegradable, dioxanone-based copolymers and implantable devices (e.g., drug-delivery stents) formed of such materials. The polymeric materials can also contain at least one additional biocompatible moiety, at least one non-fouling moiety, at least one biobeneficial material, at least one bioactive agent, or a combination thereof. The polymeric materials are designed to improve the mechanical, physical and biological properties of implantable devices formed thereof.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: February 10, 2015
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventor: Ni Ding