Solid Polymer Derived From Hydroxy-containing Carboxylic Acid Or Derivative Reactant Patents (Class 525/450)
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Patent number: 8709591Abstract: A resin composition includes a biodegradable resin (A), a polyolefin resin (B) and a dispersing agent (C), which has a sea-isle structure in which the biodegradable resin (A) is dispersed as isles in the polyolefin resin (B) existing as a sea component wherein the average dispersed particle size of the biodegradable resin (A) is 1 nm to 1000 nm.Type: GrantFiled: December 27, 2007Date of Patent: April 29, 2014Assignee: Toray Industries, Inc.Inventors: Saori Sumi, Kazuyoshi Nishikawa, Masahiro Kimura, Sadanori Kumazawa
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Publication number: 20140114028Abstract: Provided is a resin composition including a compound in which a vinyl group in a side chain of a phosphazene compound is bonded to an ? carbon in an aliphatic polyester resin.Type: ApplicationFiled: May 23, 2013Publication date: April 24, 2014Applicant: FUJI XEROX CO., LTD.Inventor: Akira IMADA
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Patent number: 8697817Abstract: The properties of a liquid crystalline polymer (LCP) containing ester linkages and made in the presence of an excess of diol are improved by treating the LCP with a dicarboxylic acid at elevated temperature. The resulting LCPs are useful as molding resins and for films.Type: GrantFiled: September 2, 2004Date of Patent: April 15, 2014Assignee: Ticona LLCInventors: Marion Glen Waggoner, Richard Alan Jackson
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Patent number: 8697832Abstract: The invention relates to a process for preparing lactic acid polymers of highly crystallinity and molecular weight, the process comprising melt polymerization of a lactide to form prepolymers having active end groups followed by solid state polymerization. The polymerization is carried out in the presence of a catalyst complex comprising a lactide, an organic metal-oxo compound and a lactic acid oligomer. The residual lactide after the melt polymerization is removed by heating the reaction mixture in the temperature range of 98° C. to a temperature less than the melting point of the prepolymer. The metal to oligomer ratio in the catalyst complex is in the range of 0.1 to 10, preferably in the range of 0.5 to 5, more preferably in the range of 0.8 to 1.5.Type: GrantFiled: April 4, 2008Date of Patent: April 15, 2014Assignee: Indian Institute of Technology, BombayInventors: Hemant Nanavati, Vimal Katiyar
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Publication number: 20140099277Abstract: The present invention relates to biocompatible, biodegradable polyurethane/urea polymeric compositions that are capable of in-vivo curing with low heat generation to form materials suitable for use in scaffolds in tissue engineering applications such as bone and cartilage repair. The polymers are desirably flowable and injectable and can support living biological components to aid in the healing process. They may be cured ex-vivo for invasive surgical repair methods, or alternatively utilized for relatively non-invasive surgical repair methods such as by arthroscope. The invention also relates to prepolymers useful in the preparation of the polymeric compositions, and to methods of treatment of damaged tissue using the polymers of the invention.Type: ApplicationFiled: December 6, 2013Publication date: April 10, 2014Applicant: POLYNOVO BIOMATERIALS PTY LIMITEDInventors: Raju Adhikari, Pathiraja Arachchillage Gunatillake
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Patent number: 8691882Abstract: Provided are an organic-inorganic hybrid scaffold with surface-immobilized nano-hydroxyapatite, and a method for the fabrication thereof. The scaffold is fabricated by reacting an acid group present on a surface of nano-hydroxyapatite with a primary amine present on a surface of a polymer support in the presence of EDC (1-ethyl-3-dimethylaminopropyl carbodiimide) to immobilize nano-hydroxyapatite onto the surface of the polymer support. The surface of nano-hydroxyapatite is previously grafted with poly(ethylene glycol methacrylate phosphate) (PolyEGMP) having phosphonic acid functionality or with a polymer having carboxylic acid functionality.Type: GrantFiled: December 10, 2009Date of Patent: April 8, 2014Assignee: Korea Institute of Ceramic Engineering & TechnologyInventors: Sang Cheon Lee, Jeong Ho Chang, Jin Hyung Lee, Kyung Ja Kim, Sung Eun Kim, Ho Chan Hwang, Ke-Won Kang, Seog-Jin Seo, Jin-Young Kim
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Patent number: 8691899Abstract: An antimicrobial composition and a medical device having that antimicrobial composition that includes a complex of an anionic polyester with a monomeric amidoamine having at least one amide group and at least one amine group, wherein the amine group is either a primary amine, or a secondary amine, or a tertiary amine, or a quaternary amine, or a combination thereof and the anionic polyester has at least one carboxylic group.Type: GrantFiled: October 9, 2007Date of Patent: April 8, 2014Assignee: Ethicon, Inc.Inventors: Modesto Erneta, Joerg Priewe
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Publication number: 20140091250Abstract: The method of manufacturing a polyurethane resin includes subjecting a (meth)acryloyl(oxy) group-containing polyurethane resin and a hydroxyl group-containing thiol to a Michael addition reaction in a solvent to provide a hydroxyl group-containing polyurethane resin.Type: ApplicationFiled: September 27, 2013Publication date: April 3, 2014Applicant: FUJIFILM CorporationInventor: Kazufumi OMURA
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Patent number: 8686090Abstract: The thermosetting, non-polymeric coating composition includes at least one monomeric material having a plurality of carbamate and/or urea groups, at least one crosslinker reactive with the at least one monomeric material, and a sag control agent that is a crystalline reaction product of an amine and an isocyanate.Type: GrantFiled: December 10, 2003Date of Patent: April 1, 2014Assignee: BASF Coatings GmbHInventors: Marvin L. Green, Swaminathan Ramesh, Walter H. Ohrbom
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Publication number: 20140088270Abstract: A polymer is characterized by a repeat unit represented by Structural Formula (I): or a copolymer thereof. A crosslinked polymer characterized by a repeat unit represented by Structural Formula (II), (III), (IV) or (V): or a copolymer thereof, wherein at least one such repeat unit of a first polymer strand is crosslinked with at least one repeat unit of a second polymer strand by at least one bridging unit, the first and second polymer strands and the repeat unit being components of the crosslinked polymer.Type: ApplicationFiled: May 14, 2013Publication date: March 27, 2014Applicants: The Government of the United States, as Represented by the Secretary of the Army, University of MassachusettsInventors: Arthur C. Watterson, Ravi Mosurkal, Jayant Kumar, Virinder S. Parmar, Lynne A. Samuelson, Rajesh Kumar, Vincent B. Tucci
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Publication number: 20140079642Abstract: The present invention relates to a poly(lactic glycolic) acid (PLGA) nanoparticle associated with therapeutic agents for a variety of therapeutic applications.Type: ApplicationFiled: January 24, 2012Publication date: March 20, 2014Applicant: Yissum Research Development Company of the Hebrew University of Jerusalem LTDInventors: Simon Benita, Taher Nasser, Nour Karra, Amit Badihi
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Patent number: 8674032Abstract: The invention relates to a biodegradable multi-block copolymer, comprising at least two hydrolysable segments derived from pre-polymers A and B, which segments are linked by a multi-functional chain-extender and are chosen from the pre-polymers A and B, and triblock copolymers ABA and BAB, wherein the multi-block copolymer is amorphous at physiological (body) conditions. The invention further relates to a process for preparing said copolymer and to its use as a medical implant, a coating for a medical device or a drug delivery vehicle.Type: GrantFiled: June 6, 2013Date of Patent: March 18, 2014Assignee: Innocore Technologies B.V.Inventors: Catharina Everdina Hissink, Rob Steendam, Ronald Meyboom, Theodorus Adrianus Cornelius Flipsen
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Patent number: 8674033Abstract: The invention is directed to biodegradable, thermoplastic, phase separated segmented multi-block copolymers. The copolymers of the present invention find use in various biomedical applications as well as in pharmaceutical applications. According to the invention, a biodegradable, phase separated copolymer is provided, comprising segments of a soft prepolymer (A) having a glass transition temperature, Tg, lower than 37° C.; and segments of a hard prepolymer (B) having a phase transition temperature, Tm, of 40-100° C.Type: GrantFiled: July 16, 2003Date of Patent: March 18, 2014Assignee: Innocore Technologies B.V.Inventors: Catharina Everdina Hissink, Ronald Meyboom, Theodorus Adrianus Cornelius Flipsen
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Publication number: 20140072633Abstract: Described herein are polymer-agent conjugates and particles, which can be used, for example, in the treatment of cancer or neurological deficits. Also described herein are mixtures, compositions and dosage forms containing the particles, methods of using the particles (e.g., to treat a disorder), kits including the polymer-agent conjugates and particles, methods of making the polymer-agent conjugates and particles, methods of storing the particles and methods of analyzing the particles.Type: ApplicationFiled: May 29, 2013Publication date: March 13, 2014Applicant: CERULEAN PHARMA INC.Inventors: Scott Eliasof, Thomas C. Crawford, Geeti Gangal, Lawrence Alan Reiter, Pei-Sze Ng
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Publication number: 20140073747Abstract: A polylactic acid has a terminal-modified structure represented by the following formula (1): wherein in the formula (1), R represents a residue of an organic phosphorus compound containing an epoxy group, and n represents an integer from 100 to 5000.Type: ApplicationFiled: February 27, 2013Publication date: March 13, 2014Applicant: FUJI XEROX CO., LTD.Inventor: Masaya IKUNO
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Publication number: 20140072746Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.Type: ApplicationFiled: November 15, 2013Publication date: March 13, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Fengkui Li, John Ashbaugh, David Rauscher, Robert Dotter
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Publication number: 20140058049Abstract: Disclosed herein is a biodegradable nitric oxide-generating polymer comprising a nitric oxide-releasing N2O231 (NONOate) functional group. The polymer can be applied to various medical devices for the treatment of various diseases such as thrombosis and restenosis.Type: ApplicationFiled: October 24, 2013Publication date: February 27, 2014Applicant: Northwestern UniversityInventors: Guillermo Ameer, Melina Kibbe, Haichao Zhao
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Publication number: 20140050690Abstract: There is provided a beraprost sodium-containing nanoparticle that contains beraprost sodium among other prostaglandin I2 (prostacyclin) derivatives, which are therapeutic agents for pulmonary hypertension. The beraprost sodium-containing nanoparticle is obtained by making beraprost sodium hydrophobic using a metal ion and allowing the hydrophobic beraprost sodium to react with poly-L-lactic acid or a poly(L-lactic acid/glycolic acid) copolymer, and a poly-DL- or L-lactic acid-polyethylene glycol block copolymer or a poly(DL- or L-lactic acid/glycolic acid)-polyethylene glycol block copolymer. The beraprost sodium-containing nanoparticle excels in sustained release of an active ingredient, reduces a side effect, and furthermore, has an excellent drug retention in the blood. Therefore, the beraprost sodium-containing nanoparticle is quite outstanding particularly regarding the sustainability of the medicinal effect.Type: ApplicationFiled: February 13, 2012Publication date: February 20, 2014Applicant: LTT Bio-Pharma Co., Ltd.Inventors: Toru Mizushima, Tsutomu Ishihara, Hongxing Liu
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Patent number: 8653188Abstract: The object of the present invention is to provide a thermoplastic polymer composition which is excellent in the impact resistance, a fracture morphology and rigidity, as well as has a possibility of the effect for reducing environmental load. The thermoplastic resin composition comprises 15 to 85% by mass of aliphatic polyester-based resin (A) comprising the following (AI) and (AII) components, and 15 to 85% by mass of styrene-based resin (B) which is at least one selected from the group consisting of the following (BI) to (BIII). The above (AI) is an aliphatic polyester-based resin having units formed from an aliphatic diol and/or an alicyclic diol and an aliphatic dicarboxylic acid (including derivatives thereof) and/or an alicyclic dicarboxylic (including derivatives thereof) as repeating units, and the above (AII) is a polylactic acid-based aliphatic polyester resin having not less than 70 mol % of lactic acid unit content.Type: GrantFiled: May 8, 2008Date of Patent: February 18, 2014Assignee: Techno Polymer Co., Ltd.Inventors: Tatsuya Toneri, Masaaki Mawatari
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Publication number: 20140046005Abstract: Described herein are polymers comprising a polyester and at least one polyhedral oligomeric silsesquioxane, wherein the polyester is capable of forming a stereocomplex with a polymer comprising a complimentary polyester and composites thereof.Type: ApplicationFiled: February 4, 2013Publication date: February 13, 2014Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventor: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
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Publication number: 20140046006Abstract: Implantable medical devices fabricated from branched polymers are disclosed.Type: ApplicationFiled: July 12, 2013Publication date: February 13, 2014Applicant: Abbott Cardiovascular Systems Inc.Inventors: Yunbing Wang, David C. Gale, Bin Huang, Mikael O. Trollsas, Thierry Glauser, Florian Ludwig
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Patent number: 8648151Abstract: The invention provides a piezoelectric polymer material including a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and having optical activity, the piezoelectric polymer material having a piezoelectric constant d14 at 25° C. of 10 pC/N or more, a degree of crystallinity obtained by X-ray diffraction of from 40% to 80%, and a haze of from 0.5 to 30.Type: GrantFiled: March 15, 2010Date of Patent: February 11, 2014Assignees: Mitsui Chemicals, Inc., A School Corporation Kansai UniversityInventors: Mitsunobu Yoshida, Masanobu Ajioka, Kenichi Goto, Ichiro Fujio, Takaharu Isaki, Takayuki Onogi, Yoshiro Tajitsu, Shinichi Usugi, Takeshi Karino, Yoshiaki Aso
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Publication number: 20140039103Abstract: Disclosed herein is a composition comprising a polyphenylene ether sulfone and a resorcinol based silicone aryl polyester carbonate copolymer wherein greater than or equal to 50 mol % of copolymer repeating units are ester units derived from resorcinol, based on the total molar amount of all repeating units in the polymer and wherein the blend has less than 1 weight percent polycarbonate, based on the total weight of the composition, has FAR 25.853 peak heat release of less than 60 KW/m2 and time to peak heat release of greater than or equal to 120 seconds.Type: ApplicationFiled: October 7, 2013Publication date: February 6, 2014Inventors: Robert Russell Gallucci, Paul Dean Sybert
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Publication number: 20140037747Abstract: The invention generally relates to the fields of drug delivery and cell capture. In particular, the invention relates to amphiphilic dendron-coils, micelles thereof and their use for drug delivery vehicles and/or cell capture.Type: ApplicationFiled: February 22, 2012Publication date: February 6, 2014Applicant: The Board of Trustees of the University of Illinoi sInventors: Seungpyo Hong, Jin Woo Bae
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Patent number: 8642694Abstract: There are provided: a bio-based coating composition which is a bio-based ingredient coating composition in consideration of environment and does not need any expensive ingredient and is also excellent in hydrolysis resistance; and an article coated with the coating composition. The bio-based coating composition is characterized by comprising the following film-forming ingredients: a lactic acid polymer (A) which contains a polyfunctional compound having a hydroxyl group and/or a carboxyl group in a functionality of not less than 3 and lactic acid as essential monomer ingredients and has a specific SP value; and a resin (B) which contains a hydroxyl group and/or a carboxyl group and has a specific SP value; wherein the difference (?SP) between the SP values of the lactic acid polymer (A) and the resin (B) is in the range of 0.2 to 4.0. The coated article is characterized by being obtained by being coated with the aforementioned coating composition.Type: GrantFiled: February 26, 2010Date of Patent: February 4, 2014Assignees: Nippon Bee Chemical Co., Ltd., National University Corporation Kyoto Institute of Technology, Toyota Jidosha Kabushiki KaishaInventors: Koji Morita, Hirofumi Yamashita, Hitomi Ohara, Shiro Kobayashi, Masahiko Ishii
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Publication number: 20140030944Abstract: The invention relates provides synthetic medical adhesives which exploit plant derivatives to form covalent bonds with amines and thiols on tissue surfaces.Type: ApplicationFiled: July 25, 2013Publication date: January 30, 2014Applicant: KNC NER ACQUISITION SUB, INC.Inventors: John L. Murphy, Jeffrey L. Dalsin, Arinne N. Lyman, Laura L. Vollenweider, Joel L. Broussard, Neil Winterbottom, Justin T. Koepsel
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Patent number: 8633294Abstract: Copolyester with improved transition temperature, melting temperature and crystallinity including units derived from lactic acid and isosorbide, where the ratio of lactic acid to isosorbide ranges from 99:1 to 50:50.Type: GrantFiled: November 30, 2012Date of Patent: January 21, 2014Assignee: Council of Scientific & Industrial ResearchInventors: Bhaskar Bhairavnath Idage, Susheela Bhaskar Idage, Sivaram Swaminathan
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Patent number: 8633283Abstract: Blends made of thermoplastic polyurethanes (TPUs) and of polylactides (PLAs) are produced via A) reaction of at least one thermoplastic polyurethane with at least one diisocyanate or one diisocyanate prepolymer which has at least two isocyanate groups, or a mixture thereof, in the melt, with reduction of the molar mass of the thermoplastic polyurethane and with formation of a thermoplastic polyurethane having an excess of isocyanate end groups, B) introduction of at least one polylactide into the melt of the stage A) product, and reaction of the stage A) product with the polylactide at a temperature below 190° C., C) cooling of the resultant blend, where no polyols are used in stages A) to C).Type: GrantFiled: June 15, 2011Date of Patent: January 21, 2014Assignee: BASF SEInventors: Klaus Hilmer, Kai Brüning, Hans-Gerhard Fritz, Alina Corina Zgaverdea
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Patent number: 8629151Abstract: This invention relates to compositions, and related compounds and methods, of conjugates of immunomodulatory agents and polymers or unit(s) thereof. The conjugates may be contained within synthetic nanocarriers, and the immunomodulatory agents may be released from the synthetic nanocarriers in a pH sensitive manner.Type: GrantFiled: May 26, 2010Date of Patent: January 14, 2014Assignee: Selecta Biosciences, Inc.Inventors: Charles Zepp, Grayson B. Lipford, Yun Gao, Lloyd Johnston, Fen-ni Fu, Mark J. Keegan, Sam Baldwin
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Patent number: 8629212Abstract: Compositions of PHAs with PBS and/or PBSA are described and methods of making the same.Type: GrantFiled: August 5, 2013Date of Patent: January 14, 2014Assignee: Metabolix, Inc.Inventors: Rajendra K. Krishnaswamy, Xiudong Sun
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Patent number: 8614280Abstract: A process for the continuous production of a biodegradable polyester, where a mixture of aliphatic dihydroxy compounds, aliphatic and aromatic dicarboxylic acids or their liquid esters, and, optionally, further comonomers is mixed, without addition of a catalyst, to give a paste, and i) this mixture with at least a portion of the catalyst, is continuously esterified or, transesterified; ii) the transesterification or, esterification product obtained in i) is continuously precondensed with any remaining amount of catalyst to an intrinsic viscosity of from 20 to 70 cm3/g; iii) the product obtainable from ii) is continuously polycondensed to an intrinsic viscosity of from 60 to 170 cm3/g, and iv) the product obtainable from iii) is reacted continuously with a chain extender in a polyaddition reaction to an intrinsic viscosity of from 150 to 320 cm3/g. The invention further relates to biodegradable polyesters obtained by this process.Type: GrantFiled: April 7, 2009Date of Patent: December 24, 2013Assignee: BASF SEInventors: Uwe Witt, Motonori Yamamoto
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Publication number: 20130338271Abstract: The present disclosure relates to a degradable material comprising (a) from about 60 weight percent to about 97 weight percent of a first material based on the total weight of the degradable material, and (b) from about 3 weight percent to about 40 weight percent of a second material based on the total weight of the degradable material, where the second material is an oligomer comprising lactate and giycolate. In another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a Tg less than 56° C. In still another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a tan delta peak of less than 65° C.Type: ApplicationFiled: December 8, 2011Publication date: December 19, 2013Applicant: 3M Innovative Properties CompanyInventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Jay M. Jennen, Sasha B. Myers
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Publication number: 20130337264Abstract: 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: ApplicationFiled: August 16, 2013Publication date: December 19, 2013Applicant: Molecon, Inc.Inventor: Bin Huang
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Publication number: 20130337712Abstract: Polyester materials, methods for making polyesters materials, and uses of the polyester materials in binder materials and articles of manufacture are disclosed. In one embodiment, a process is provided for preparing a polyester solution, including mixing monomers of at least one organic acid containing at least three carboxylic groups and at least one multi-hydroxyl alcohol containing at least three hydroxyl groups to form a reaction mixture, heating the reaction mixture to a first temperature, polymerizing the monomers at the first temperature until reaching an acid value from about 200 to about 400 mg KOH/g, adjusting the temperature to a second temperature less than the first temperature, and forming the polyester solution. The polyester materials may be mixed with cross-linking materials to form binder materials. The binder material may then be used to form articles of manufacture.Type: ApplicationFiled: June 15, 2012Publication date: December 19, 2013Inventors: Yingchao Zhang, Raman C. Subrayan, Vinay Malhotra, David A. Snover
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Publication number: 20130336889Abstract: A nanoparticle for detecting or treating a tumor is provided. The nanoparticle includes a plurality of polymer backbones and at least one first detectable substance, of which each of the polymer backbones includes a hydrophobic region, a hydrophilic region and a chelating region, and the first detectable substance is bound to the chelating region of the polymer backbone. The hydrophobic regions of the polymer backbones form a core block, and the hydrophilic regions of the polymer backbones form a shell block surrounding the core block. A method for detecting or treating a tumor using the nanoparticle is also provided.Type: ApplicationFiled: June 14, 2012Publication date: December 19, 2013Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Ming-Jium Shieh, Cheng-Liang Peng, Tsai-Yueh Luo
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Patent number: 8609783Abstract: The present invention relates to a blend of sulfo-modified copolyester wherein the diacid is aromatic or cyclic and polyglycolic acid. The blend of sulfo-modified copolyester and polyglycolic acid can be used to prepare containers with good transparency and high gas barrier properties. The preferred sulfo-modified copolyester composition comprises terephthalic acid, isophthalic acid and 5-sulfoisophthalic acid. A method of preparing a blend of sulfo-modified copolyester and polyglycolic acid is disclosed, as well as master batch processes. The present invention also relates to a method of making a container wherein the sulfo-modified copolyester is blended with the polyglycolic acid at an injection molding machine used to make preforms, which are then blown into bottles.Type: GrantFiled: October 6, 2006Date of Patent: December 17, 2013Assignee: Invista North America S.A.R.L.Inventor: Mehta Sanjay
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Publication number: 20130319288Abstract: Packaging materials for medical devices are provided. The packaging is formed of a biodegradable material which permits disposal by conventional methods, including landfills, composting, and the like. Use of the packaging avoids undesirable disposal methods such as incineration and the like.Type: ApplicationFiled: June 4, 2012Publication date: December 5, 2013Inventors: Nadya Belcheva, David Kirsch, Ahmad Robert Hadba
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Publication number: 20130324680Abstract: Disclosed are a polylactic acid block copolymer and a preparation method thereof. The polylactic acid block copolymer comprises block A and block B, and is presented as B-b-A-b-B triblock structure, wherein the block A is a cyclic aromatic polyester oligomer block, and the block B is a polylactic acid block. The polylactic acid block copolymer is obtained by ring-opening copolymerization of a cyclic aromatic polyester oligomer and a lactide. Disclosed are another polylactic acid block copolymer and a preparation method thereof. The polylactic acid block copolymer comprises block A and block B, and is presented as B-b-A-b-B triblock structure, wherein the block A is an aromatic polyester block with two hydroxyl end groups, and the block B is a polylactic acid block. The polylactic acid block copolymer is obtained by ring-opening copolymerization of an aromatic polyester with two hydroxyl end groups and a lactide.Type: ApplicationFiled: November 29, 2011Publication date: December 5, 2013Applicant: NINGBO INSTITUTE OF MATERIAL TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Jian Zhou, Peng Chen, Qun Gu, Jun Li, Wentao Shi, Zongbao Wang, Zhiqiang Jiang, Xuedong Wu
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Publication number: 20130323319Abstract: The current invention involves the surprising finding that when carboxylated particles, such as carboxylated polystyrene, PLGA, or diamond particles are administered to subjects, inflammatory immune responses are ameliorated. Additionally, the present invention describes methods of treating inflammatory diseases by administering these same carboxylated particles.Type: ApplicationFiled: November 14, 2011Publication date: December 5, 2013Applicant: GETTS CONSULTING AND PROJECT MANAGEMENTInventors: Daniel R. Getts, Rachael Terry, Nicholas King
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Publication number: 20130317181Abstract: The present invention relates to a polysiloxane-polylactide block copolymer and a preparation method thereof, in which the polysiloxane-polylactide block copolymer has improved impact resistance and flexibility, compared to the conventional polylactide resins and can be prepared by ring-opening polymerization of lactide monomers in the presence of a polymerization initiator of polysiloxane.Type: ApplicationFiled: July 26, 2013Publication date: November 28, 2013Applicant: LG Chem, Ltd.Inventors: Seong-Woo KIM, Seung-Young Park, Sung-Cheol Yoon, In-su Lee, Do-Yong Shim
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Publication number: 20130317163Abstract: Compositions of PHAs with PBS and/or PBSA are described and methods of making the same.Type: ApplicationFiled: August 5, 2013Publication date: November 28, 2013Applicant: Metabolix, Inc.Inventors: Rajendra K. Krishnaswamy, Xiudong Sun
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Publication number: 20130315963Abstract: Novel absorbable polymer blends are disclosed. The blends are useful for manufacturing medical devices having engineered degradation and breaking strength retention in vivo. The blends consist of a first absorbable polymeric component and a second absorbable polymeric component. The weight average molecular weight of the first polymeric component is higher than the weight average molecular weight of the second polymeric component. At least at least one of said components is at least partially end-capped by a carboxylic acid group. Further aspects are medical devices made therefrom.Type: ApplicationFiled: March 15, 2013Publication date: November 28, 2013Applicant: Ethicon, Inc.Inventors: Modesto Erneta, Daniel Steiger, Dennis D. Jamiolkowski
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Publication number: 20130317178Abstract: A polymer includes at least one pendant dioxirane moiety represented by Formula III or IV: In Formulas III and IV, R1 is absent or is alkylene, perhaloalkylene, cycloalkylene, arylene, heteroarylene, heterocyclylene, amino, carbonyl, carboxyl, alkylcarboxy, carboxyalkyl or alkylcarboxyalkyl; R2 is an electron withdrawing group; R8 is —N+R4R5 or alkylene; R9 is —N+R4R5 or alkylene; each R4 is independently H, alkyl, or cycloalkyl; and each R5 is independently H, alkyl, or cycloalkyl.Type: ApplicationFiled: August 1, 2013Publication date: November 28, 2013Applicant: Empire Technology Development LLCInventors: Angele Sjong, Kraig K. Anderson
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Patent number: 8592530Abstract: Polyurethane elastomers formed from prepolymers derived from copolyester polyols. The copolyester polyols have segments derived from one or more polyesters and caprolactone or polycaprolactone. The polyurethane elastomers have good hardness stability at temperatures ranging from 0° C. to 30° C. and preferably have good hydrolytic stability.Type: GrantFiled: August 4, 2010Date of Patent: November 26, 2013Assignee: Chemtura CorporationInventor: Biau-Hung Chang
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Patent number: 8592529Abstract: A resin composition which comprises a polyester and is free from a smell produced from a free isocyanate compound. The resin composition comprises a polyester (component A) whose end is modified and a compound including a cyclic structure having one carbodiimide group whose first nitrogen and second nitrogen are bonded together by a bond group (component B).Type: GrantFiled: September 6, 2012Date of Patent: November 26, 2013Assignee: Teijin LimitedInventors: Shinichiro Shoji, Hirotaka Suzuki
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Publication number: 20130309166Abstract: Compositions of P4HB and processes to injection mold these compositions have been developed. These compositions are prepared from P4HB polymers and blends having intrinsic viscosities less than 3.2 dl/g but greater than 0.8 dl/g, moisture contents of less than 0.5% by weight, and more preferably less than 0.05% by weight, and using a polymer melt temperature during molding of at least 150° C. A preferred embodiment comprises a P4HB molding with an intrinsic viscosity of less than 3.2 dl/g that degrades rapidly in vivo.Type: ApplicationFiled: March 13, 2013Publication date: November 21, 2013Applicant: TEPHA, INC.Inventors: Said Rizk, Dennis W. Connelly, Matthew Bernasconi, Andrew J. Carter, David P. Martin, Simon F. Williams
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Publication number: 20130310491Abstract: There is provided self-degrading fibers, and methods of making and methods of using such self-degrading fibers.Type: ApplicationFiled: December 8, 2011Publication date: November 21, 2013Applicant: 3M 9NNOVATIVE PROPERTIES COMPANYInventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Daniel J. Zillig, Jay M. Jennen, Sasha B. Myers
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Publication number: 20130310490Abstract: A heat-shrinkable film comprising an aliphatic polycarbonate, wherein the film is uniaxially or biaxially oriented, and exhibits a heat-shrinkage of at least 30% in at least one direction when treated with hot air at 70° C. for 10 min, has an improved transparency and good heat-shrinkability which can be used for various purposes such as a label or wrapping material.Type: ApplicationFiled: November 21, 2011Publication date: November 21, 2013Applicant: SKC CO., LTDInventors: Deuk-Young Lee, Sang Il Kim
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Patent number: 8586643Abstract: A composition used for preparing foaming material comprising a polyhydroxyalkanoate, a polylactic acid and a foaming agent, which posses certain tensile strength, elongation in break and expansion ratio as well as full bio-degradability, thus can be used in packaging industry.Type: GrantFiled: October 16, 2006Date of Patent: November 19, 2013Inventors: Weichuan Lu, Mei Li
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Patent number: 8579428Abstract: Disclosed are colorants comprising a colored laked complex of (a) a chromogen molecule having at least one (i) carboxylic acid group, (ii) carboxylate group, (iii) sulfonic acid group, (iv) sulfonate group, or (v) combination thereof, and (b) a polymer, said chromogen molecule and said polymer each being complexed to (c) a metal. Also disclosed are phase change inks containing the colorants.Type: GrantFiled: January 18, 2012Date of Patent: November 12, 2013Assignee: Xerox CorporationInventors: Jeffery H. Banning, Kelley A. Moore, Randall R. Bridgeman, Scott M. Broce, Stephan V. Drappel, Michael B. Meinhardt, Jule W. Thomas, Jr.