Solid Polymer Derived From Hydroxy-containing Carboxylic Acid Or Derivative Reactant Patents (Class 525/450)
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Publication number: 20140296435Abstract: This invention provides Chelating Complex Micelles as a drug carrier. The Chelating Complex Micelles can load drugs without changing their structure, and therefore extend the half-life of drugs in the human body. The chelating complex micelles contain a metal ion core, at least one polymer, and at least one drug molecule. The metal ion is considered as a Lewis acid while polymer chain and drug molecules are referred to as Lewis bases. The drug molecule is linked to the polymer via forming coordinate bonds with metal ion, and then self-assembled to form chelating complex micelles as a drug carrier.Type: ApplicationFiled: June 17, 2014Publication date: October 2, 2014Inventors: Chau-Hui Wang, Chia-Hung Chen, Johnson Lin, Jing-Yi Chen, Wei-Chuan Liao
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Patent number: 8846071Abstract: A stent having a stent body made from a crosslinked bioabsorbable polymer is disclosed. A method of making the stent including exposing a tube formed from a bioabsorbable polymer to radiation to crosslink the bioabsorbable polymer and forming a stent body from the exposed tube is disclosed. The tube can include a crosslinking agent which induces crosslinking upon radiation exposure. Additionally or alternatively, the bioabsorbable polymer can be a copolymer that crosslinks upon exposure to radiation in the absence of a crosslinking agent.Type: GrantFiled: February 17, 2012Date of Patent: September 30, 2014Assignee: Abbott Cardiovascular Systems Inc.Inventor: Lothar W. Kleiner
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Publication number: 20140288236Abstract: The invention relates to silicone resins comprising metallosiloxane which contains for example Si—O-Aluminium bonds. It also relates to their use in thermoplastics, thermosettings organic polymers or any blends of the laters or rubbers or thermoplastic/rubbers blends compositions to reduce the flammability or to enhance scratch and/or abrasion resistance of the organic polymer compositions. It further relates to coatings containing such silicone resins for scratch and/or abrasion resistance enhancement or flame retardant properties.Type: ApplicationFiled: November 14, 2012Publication date: September 25, 2014Inventors: Michael Depierro, David Pierre, Vincent Rerat, Nanguo Liu, Gerald Witucki
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Publication number: 20140265053Abstract: Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive that is a cross-linkable polycarbonate resin containing a photoactive group derived from a dihydroxybenzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: SABIC Innovative Plastics IP B.V.Inventors: Jean-Francois Morizur, Paul Dean Sybert
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Patent number: 8835570Abstract: A hydrophilic material having a hydrophilic nature and being biocompatible and processable into nanoparticles wherein a hydrophilic monomer such as threitol or a hydrophilic polymer such as polyethylene glycol is attached to the ?position of an ?,?-unsaturated carboxyl group of a (co)polymer comprising an aromatic compound such as 4-hydroxycinnamic acid in which an aromatic ring is substituted by the ?,?-unsaturated carboxyl group and one or more hydroxyl groups. In particular, a hydrophilic material having a nanoparticle size which is highly dispersible in water, can well migrate into the blood and is useful as a drug carrier, a medical material and a sustained drug release material.Type: GrantFiled: September 29, 2009Date of Patent: September 16, 2014Assignees: Osaka University, Terumo Kabushiki KaishaInventors: Mitsuru Akashi, Michiya Matsusaki, Dongjian Shi, Makoto Onishi, Yotaro Fujita
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Patent number: 8835558Abstract: Disclosed is a polylactic acid/polycarbonate resin composition including (A) a mixed resin including (a1) a polycarbonate resin and (a2) a polylactic acid resin, and (B) a modified acrylic-based resin, and a molded product made using the same.Type: GrantFiled: December 18, 2009Date of Patent: September 16, 2014Assignee: Cheil Industries Inc.Inventors: Hyung-Tak Lee, Doo-Han Ha, Chang-Do Jung, Young-Chul Kwon, Jin-Kyung Cho, Young-Mi Chung, Byung-Choon Lee
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Patent number: 8834763Abstract: The present disclosure relates to a method of forming fibers. First and second precursors, each possessing a core and at least one functional group known to have click reactivity, are mixed in a hopper. The mixed precursors are then extruded through an extrusion die to crosslink and produce a filament. Polymerization of the first and second precursors is catalyzed by transition metal ions.Type: GrantFiled: February 22, 2010Date of Patent: September 16, 2014Assignees: Covidien LP, Sofradim ProductionInventors: Ahmad Robert Hadba, Sebastien Ladet
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Patent number: 8835571Abstract: A fatty acid derivative-polymer conjugate including a conjugate comprising a fatty acid derivative and an alkyl substituted polylactide compound is provided. A pharmaceutical composition comprising the conjugate is also provided.Type: GrantFiled: April 19, 2013Date of Patent: September 16, 2014Assignee: Sucampo AGInventors: Ryuji Ueno, Peter Lichtlen, Robert Gurny, Michael Möller
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Publication number: 20140251432Abstract: An object of the present invention is to provide a urethane adhesive for solar battery back sheets, which has satisfactory initial adhesion to a film in the production of a solar battery back sheet, satisfactory initial adhesive property after curing and high adhesive property at high temperature, and also has a sufficient hydrolysis resistance over the long term and is excellent in overall balance; a solar battery back sheet which is obtainable by using the adhesive; and a solar battery module. Disclosed is an adhesive for solar battery back sheets, including a urethane resin obtainable by the reaction of an acrylic polyol with an isocyanate compound, wherein the acrylic polyol is obtainable by polymerizing polymerizable monomers, the polymerizable monomers include a monomer having a hydroxyl group and other monomers, the monomer having a hydroxyl group includes a hydroxyalkyl (meth)acrylate, and the other monomers include acrylonitrile and (meth)acrylic ester(s).Type: ApplicationFiled: May 23, 2014Publication date: September 11, 2014Inventor: Shoko Ito
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Publication number: 20140256881Abstract: The invention provides methods for stably binding and immobilizing deoxyribonucleic acid onto objects and substrates. The method includes exposing the deoxyribonucleic acid to alkaline conditions, and contacting the deoxyribonucleic acid to the object or substrate. The alkaline conditions are produced by mixing the deoxyribonucleic acid with an alkaline solution having a pH of about 9.0 or higher, and contacting the deoxyribonucleic acid to the substrate. The immobilized DNA can be used as a taggant and can be used in combination with other detectable taggants, such as optical reporters. Methods for authentication of a DNA marked object are also provided.Type: ApplicationFiled: March 7, 2013Publication date: September 11, 2014Applicant: APPLIED DNA SCIENCES, INC.Inventor: APPLIED DNA SCIENCES, INC.
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Patent number: 8829112Abstract: A composition comprises or is produced from polyester, a first modifier, and a second modifier wherein the first modifier includes a polymer that is incompatible with poly(hydroxyalkanoic acid) and is not an acid-containing or acid generating polymer. Also disclosed is an article comprising or produced from the composition. Further disclosed is a process combining a first modifier, a second modifier, or both, with a poly(hydroxyalkanoic acid) to produce the composition and optionally injection molding or thermoforming the composition into the article.Type: GrantFiled: August 1, 2012Date of Patent: September 9, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Jingjing Xu, Toshikazu Kobayashi, Edmund Arthur Flexman
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Patent number: 8829121Abstract: The invention provides a piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 20% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 ?m, of from 40 to 700.Type: GrantFiled: February 9, 2012Date of Patent: September 9, 2014Assignees: Mitsui Chemicals, Inc., A School Corporation Kansai UniversityInventors: Mitsunobu Yoshida, Shunsuke Fujii, Hitoshi Onishi, Yoshiro Tajitsu, Taizo Nishimoto, Kazuhiro Tanimoto, Kenichi Goto
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Patent number: 8829098Abstract: The present invention provides a polylactic acid resin composition, containing a polylactic acid resin and a metal hydrate surface-treated with at least one silane coupling agent selected from an amino-silane coupling agent, a mercapto-silane coupling agent and an isocyanate-silane coupling agent, wherein the content of an alkali metal component in the metal hydrate is not more than 0.2% by mass and a polylactic acid resin molded article produced by molding the polylactic acid resin composition.Type: GrantFiled: April 8, 2009Date of Patent: September 9, 2014Assignees: KAO Corporation, NEC CorporationInventors: Hiroaki Kishimoto, Akira Takenaka, Yukihiro Kiuchi, Tsunenori Yanagisawa, Kazuhiko Inoue, Masatoshi Iji, Shin Serizawa
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Publication number: 20140243482Abstract: Disclosed herein is a polyamide-imide copolymer film, comprising a copolymer resin in which a unit structure derived from TFDB (2,2?-bistrifluoromethyl-4,4?-biphenyl diamine), a unit structure derived from 6FDA (4,4?-(hexa-fluoroisopropylidene)diphthalic anhydride), a unit structure derived from BPDA (3,3?,4,4?-biphenyltetracarboxylic dianhydride) and a unit structure derived from TPC (terephthaloyl chloride or 1,4-benzenedicarbonyl chloride) are copolymerized, wherein the copolymer resin has a weight average molecular weight of 10,000˜400,000.Type: ApplicationFiled: September 27, 2012Publication date: August 28, 2014Inventors: Hyo Jun Park, Hak Gee Jung
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Publication number: 20140238255Abstract: Disclosed is a resin composition for laser engraving, comprising (Component A) a binder polymer and (Component B) a crosslinking agent, and a crosslinked relief-forming layer formed from the composition being depolymerizable. Component A preferably comprises (Component A-1) a depolymerizable binder polymer. Component A-1 preferably comprises any one selected from the group consisting of a polyester resin, a resin containing at least 50 mol % of a (meth)acrylic acid ester as a monomer unit, and a resin containing at least 50 mol % of ?-methylstyrene as a monomer unit.Type: ApplicationFiled: February 21, 2014Publication date: August 28, 2014Applicant: FUJIFILM CorporationInventor: Atsushi SUGASAKI
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Patent number: 8816018Abstract: 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: December 15, 2009Date of Patent: August 26, 2014Assignee: Teijin LimitedInventors: Shinichiro Shoji, Hirotaka Suzuki
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Publication number: 20140235799Abstract: The present invention relates to a method for the preparation of a controlled release system and especially to a method for entrapment of compounds in polymer carriers for controlled release of active ingredients, preferably bioactive ingredients, such as drugs. This method results in a system for controlled release of active ingredients and especially for controlled drug delivery. In accordance with the present invention, the term “controlled release” encompasses all kinds of controlled release, including slow release, sustained and delayed release. Particularly, the present invention results in active ingredients, entrapped in or otherwise incorporated in or coupled to polymer carriers or polymeric devices, such as micelles, nanoparticles, microspheres and other types of polymer devices for controlled release; the active ingredients are covalently bonded to the polymer carriers or polymeric devices.Type: ApplicationFiled: February 20, 2014Publication date: August 21, 2014Applicant: Universiteit Utrecht Holding B.V.Inventors: Cristianne Johanna Ferdinand RIJCKEN, Wilhelmus Everhardus HENNINK, Cornelis Franciscus VAN NOSTRUM
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Publication number: 20140235777Abstract: The present invention relates to a composition comprising a poly-D-lactic acid (PDLA) polymer and a poly-L-lactic acid (PLLA) polymer. The present invention also relates to a method for the production of a moulded part comprising the steps of heating a mould, and supplying to the mould a composition comprising a poly-D-lactic acid (PDLA) polymer and a poly-L-lactic acid (PDLA) polymer. The present invention relates to a composition comprising a poly-D-lactic acid (PDLA) polymer and a poly-L-lactic acid (PLLA) polymer for use in injection-moulding, thermoforming and/or film blowing. The present invention also relates to a composition that can be obtained by heating a composition comprising a poly-D- lactic acid (PDLA) polymer and a poly-L-lactic acid (PDLA) polymer.Type: ApplicationFiled: October 24, 2012Publication date: August 21, 2014Inventors: Jan Noordegraaf, Josephus Petrus Maria De Jong
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Publication number: 20140228449Abstract: The present invention relates to a novel polymeric material with enhanced hydrophilicity for medical use comprising a biocompatible polyester material selected from the group consisting of poly(hydroxyalkanoate)s, poly(lactic acid)s, poly(glycolic acid)s, poly(caprolactone)s and copolymers and blends thereof, wherein the biocompatible polyester material is crosslinked with a functionalized poly(alkylene oxide) having at least two functional groups independently selected from the group consisting of azido-formate and alkanoyl azide. The novel polymeric material with enhanced hydrophilicity is useful as a biocompatible material in a variety of medical applications, including medical implants, bioresorbable implants, tissue engineering, and controlled release.Type: ApplicationFiled: June 20, 2012Publication date: August 14, 2014Applicant: Technische Universitat GrazInventors: Frank Wiesbrock, Clemens Ebner, Franz Stelzer, Annelie-Martina Weinberg, Klaus-Dieter Kühn
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Patent number: 8801955Abstract: Disclosed are water-soluble nanoparticles. The water-soluble nanoparticles are each surrounded by a multifunctional group ligand including an adhesive region, a cross linking region, and a reactive region. In the water-soluble nanoparticles, the cross-linking region of the multifunctional group ligand is cross-linked with another cross-linking region of a neighboring multifunctional group ligand.Type: GrantFiled: July 16, 2012Date of Patent: August 12, 2014Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jin-Woo Cheon, Young-Wook Jun, Jin-Sil Choi
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Patent number: 8802738Abstract: The invention relates to polymers, such as aliphatic polyesters, with grafted zwitterions. More particularly, the invention relates to polyester-graft-phosphorylcholine polymers prepared by ring-opening polymerization and click chemistry, compositions and products comprising same, and related methods and uses, for example, in drug delivery.Type: GrantFiled: December 11, 2009Date of Patent: August 12, 2014Assignee: University of MassachusettsInventor: Todd Emrick
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Publication number: 20140221549Abstract: Novel silicone polymers are provided which possess grafted pendant hydrophilic polyalkylene oxide side chains and, optionally, reactive functional end groups. These features make them well suited for use in chemical, marine, biomedical and industrial applications, particularly those involving surface modifications.Type: ApplicationFiled: June 15, 2012Publication date: August 7, 2014Applicant: NDSU Research FoundationInventors: Dean C. Webster, Rajan B. Bodkhe
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Patent number: 8796396Abstract: 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: GrantFiled: February 27, 2013Date of Patent: August 5, 2014Assignee: Fuji Xerox Co., Ltd.Inventor: Masaya Ikuno
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Publication number: 20140210136Abstract: Embodiments of the disclosure provide a method for removing residual BPA from a residual BPA-containing substance and a method for making a container with residual BPA removed. The method may consist of preparing a stabilization reagent, wherein water is removed from the stabilization reagent. The method may also include preparing the residual BPA-containing substance. The method may also include reacting the residual BPA-containing substance in a melt condensation process with the stabilization reagent, wherein the stabilization reagent is non-toxic.Type: ApplicationFiled: January 29, 2013Publication date: July 31, 2014Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Travis R. Hebig, Joseph Kuczynski, Robert E. Meyer, III, Steven R. Nickel
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Patent number: 8791228Abstract: Process for bulk polymerization of lactide at a temperature between 160° C. and 195° C. in the presence of a zinc-based catalyst.Type: GrantFiled: December 3, 2010Date of Patent: July 29, 2014Assignee: Futerro S.A.Inventor: Sabine Sirol
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Publication number: 20140206790Abstract: Provided are modified bio-derived polymers having improved processability as well as methods of producing such polymers and articles produced therefrom. The modified bio-derived polymers have improved melt strength compared with presently available bio-derived polymers. Thus, the inventive bio-derived polymers are suitable for use in plastic processing techniques such as blow molding and blown film extrusion.Type: ApplicationFiled: May 13, 2011Publication date: July 24, 2014Applicants: STERIGENICS U.S., LLC, PENNSYLVANIA COLLEGE OF TECHNOLOGYInventors: John R. Barolomucci, Song Cheng
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Patent number: 8785569Abstract: This invention provides Chelating Complex Micelles as a drug carrier. The Chelating Complex Micelles can load drugs without changing their structure, and therefore extend the half-life of drugs in the human body. The chelating complex micelles contain a metal ion core, at least one polymer, and at least one drug molecule. The metal ion is considered as a Lewis acid while polymer chain and drug molecules are referred to as Lewis bases. The drug molecule is linked to the polymer via forming coordinate bonds with metal ion, and then self-assembled to form chelating complex micelles as a drug carrier.Type: GrantFiled: November 21, 2012Date of Patent: July 22, 2014Assignee: Original Biomedicals Co., Ltd.Inventors: Chau-Hui Wang, Chia-Hung Chen, Johnson Lin, Jing-Yi Chen, Wei-Chuan Liao
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Publication number: 20140199385Abstract: This invention is directed to a biodegradable, semi-crystalline, phase separated thermoplastic multi-block copolymer, a process for preparing said multi-block copolymer, a composition for the delivery of at least one biological active compound, and to a method for delivering a biologically active compound to a subject in need thereof. A multi-block copolymer of the invention is characterised in that: a) it comprises at least one hydrolysable pre-polymer (A) segment and at least one hydrolysable pre-polymer (B) segment, b) said multi-block copolymer having a Tg of 37° C. or less and a Tm of 110-250° C. under physiological conditions; c) the segments are linked by a multifunctional chain-extender; d) the segments are randomly distributed over the polymer chain; e) at least part of the pre-polymer (A) segment is derived from a water-soluble polymer.Type: ApplicationFiled: July 23, 2012Publication date: July 17, 2014Applicant: INNOCORE TECHNOLOGIES B.V.Inventors: Rob Steendam, Theodorus Adrianus Cornelius Flipsen, Christine Hiemstra, Johan Zuidema
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Patent number: 8778322Abstract: Polylactic acid derivatives capable of forming micelles in an aqueous solution with a pH of 4 or above, having one terminal carboxyl group. The polylactic acid derivatives may be applied as a drug delivery system in various forms since poorly water soluble drugs can be entrapped inside the micelles.Type: GrantFiled: October 17, 2002Date of Patent: July 15, 2014Assignee: Samyang Biopharmaceuticals CorporationInventors: Min-Hyo Seo, Bong-Oh Kim, In-Ja Choi, Myung-Seob Shim
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Publication number: 20140193453Abstract: 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: ApplicationFiled: December 23, 2013Publication date: July 10, 2014Applicant: 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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Publication number: 20140193475Abstract: The present invention provides an implantable article comprising an amorphous terpolymer and a semi-crystalline polymer. The amorphous terpolymer can be admixed with the semi-crystalline polymer or form a block copolymer with the semi-crystalline polymer.Type: ApplicationFiled: March 10, 2014Publication date: July 10, 2014Applicant: Abbott Cardiovascular Systems Inc.Inventors: Mikael Trollsas, Michael Ngo, Florencia Lim
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Patent number: 8772420Abstract: A fluorinated polyester blend is prepared by melt blending a fluorovinyl ether functionalized polyester with a non-fluorinated polyester. The fluoroether functionalized polyester can be a homopolymer or a copolymer. The blend is useful for preparing fibers, yarns, fabrics, garments, carpets, and other shaped articles. The shaped articles exhibit durable soil, oil, and water repellency.Type: GrantFiled: December 28, 2011Date of Patent: July 8, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Neville Everton Drysdale, Fredrik Nederberg
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Publication number: 20140187722Abstract: Described herein is a composition comprising at least one of: X—R—(Z)n wherein X is selected from: an aziridine amide, an aziridine urea, an isocyanate, an alcohol, an amine, an epoxy, or a sulfhydryl, R is a multifunctional organic group, and Z is selected from —N3 or —C?C—R?, wherein R? is a hydrogen or a monofunctional organic group and n is from one to about 10. Also, described are mixtures, curable polymeric compositions, and methods of making cured polymeric compositions.Type: ApplicationFiled: March 5, 2014Publication date: July 3, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Anthony P. Manzara, Michael D. Crandall, Joshua R. Wurst
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Patent number: 8765878Abstract: 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: GrantFiled: May 23, 2013Date of Patent: July 1, 2014Assignee: Fuji Xerox Co., Ltd.Inventor: Akira Imada
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Publication number: 20140171598Abstract: A laminated film includes a substrate film and layer A provided at least on one side thereof, layer A containing (1) a (poly)caprolactone segment and (2) a urethane bond, wherein a distilled water contact angle on layer A and a diiodomethane contact angle on layer A are 95° or more, but less than 120° and 70° or more, but less than 87°, respectively.Type: ApplicationFiled: May 10, 2012Publication date: June 19, 2014Applicant: Toray Industries, Inc.Inventors: Yoshihiro Masuda, Syunichi Osada, Kazumori Sonoda, Takashi Mimura
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Publication number: 20140170394Abstract: Disclosed is an environmentally-friendly sheet using a PLA resin. The environmentally-friendly sheet using the PLA resin according to the present invention comprises: a back layer; a printed layer which is formed on the upper part of the back layer, wherein a printing pattern is formed on the upper surface thereof; and a transparent layer formed on the upper part of the printed layer, wherein one or more of the back layer, the printed layer, and the transparent layer have a PLA (polylactic acid) resin.Type: ApplicationFiled: August 16, 2012Publication date: June 19, 2014Applicant: LG Hausys, Ltd.Inventors: Seung Baik Nam, Jeong Ho Jeong, Jong Seok Son
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Publication number: 20140171385Abstract: Biodegradable materials are formed by mixing together two or more materials which have different resorption times and different mechanical characteristics. Devices formed of these materials can be used in mammals in numerous medical and surgical applications, including those for which the mechanical properties of the device, left in vivo, much change over time.Type: ApplicationFiled: December 13, 2013Publication date: June 19, 2014Applicant: ECD MEDICALInventors: Fred Burbank, Michael Jones
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Patent number: 8754173Abstract: The present invention relates to a process for the continuous production of polymer mixtures comprising: a) from 10 to 80% by weight of a biodegradable polyester (Q) composed of aliphatic or aliphatic and aromatic dicarboxylic acids and of aliphatic dihydroxy compounds, and b) from 20 to 90% by weight of one or more polymers (T) selected from the group consisting of: polylactic acid, polycaprolactone, polypropylene carbonate, polyglycolide, aliphatic polyester, cellulose acetate, and polyhydroxyalkanoate, where i) a mixture composed of the aliphatic dihydroxy compounds, of the aliphatic and aromatic dicarboxylic acids and, if appropriate, of further comonomers (component C) is mixed, without addition of any catalyst, to give a paste or, as an alternative, the liquid esters of the dicarboxylic acids are fed into the system, as also are the dihydroxy compound and, if appropriate, further comonomers, without addition of any catalyst, and in a first stage this mixture, together with the entire amount or with aType: GrantFiled: October 12, 2010Date of Patent: June 17, 2014Assignee: BASF SEInventors: Robert Loos, Uwe Witt, Motonori Yamamoto, Günther Mair, Andreas Garbe
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Publication number: 20140163144Abstract: Polymeric composites are produced by melt processing biobased polymers with an acrylated silicone polyether at temperatures that promote free radical reactions between the bio-based polymer and the acrylated silicone polyether. The bio-based compositions have an excellent balance of mechanical properties and are suitable for flame retardant applications.Type: ApplicationFiled: March 23, 2012Publication date: June 12, 2014Applicant: Interfacial Solutions IP, LLCInventors: Jeffrey Jacob Cernohous, Adam R Pawloski
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Publication number: 20140163174Abstract: Methods for forming rosin-derived cationic compounds are provided. The method can include attaching a cationic group to a conjugated diene on a hydrophenathrene-based ring of a resin acid (e.g., levopimaric acid, abietic acid, dehydroabietic acid, or a mixture thereof) to form a rosin-derived cationic compound. Attaching the cationic group to the conjugated diene on the hydrophenathrene-based ring of the resin acid can be achieved via a Diels-Alder reaction of a dienophile with the hydrophenathrene-based ring of the resin acid. Rosin-derived cationic compounds are also provided. The rosin-derived cationic compound can include a cationic group attached to a conjugated diene on a hydrophenathrene-based ring of a resin acid, wherein the rosin-derived cationic compound further comprises a carboxylic acid group.Type: ApplicationFiled: December 10, 2013Publication date: June 12, 2014Inventors: Chuanbing Tang, Jifu Wang, Alan W. Decho, Yung Pin Chen
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Publication number: 20140161931Abstract: Chewing gums and chewing gum bases which are cud-forming and chewable at mouth temperature contains a multi-block copolymer having at least two repeating sequences of at least two different polymeric blocks having at least three monomer units each. The multi-block copolymer optionally includes linking units and may be formulated to have non-covalent crosslinking between the copolymer chains. The multi-block copolymer is optionally plasticized with a compatible di-block copolymer to function as an elastomer system in the gum base. Characteristics of the multi-block copolymers can be selected to produce gum bases and chewing gums having desired properties. In some cases, chewed cuds formed from the gum bases may exhibit improved removability from environmental surfaces to which they may become undesirably attached.Type: ApplicationFiled: March 9, 2012Publication date: June 12, 2014Applicants: REGENTS OF THE UNIVERSITY OF MINNESOTA, WM. WRIGLEY JR. COMPANYInventors: Leslie D. Morget, Michael S. Haas, Marc A. Hillmyer, Wilhelm Risse, Frank S. Bates, Mark T Martello, Sangwoo Lee
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Publication number: 20140163171Abstract: A substrate having a flame retardant polymer chemically bonded to at least a portion of the substrate. The use of a substrate possessing at least a partially coated outer surface of a flame retardant polymer enables the manufacturing of polymer composites, containing the coated substrate, that possess very effective flame retardant performance while reducing the loading levels over conventional flame retardant additives.Type: ApplicationFiled: February 3, 2012Publication date: June 12, 2014Applicant: INTERFACIAL SOLUTIONS IP, LLCInventors: Jeffrey Jacob Cernohous, Adam R. Pawloski, Kent A. Kaske, David Garaint Roberts
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Patent number: 8747971Abstract: Bag made of a breathable biodegradable uniform film having thickness from 10 to 40 ?m and with permeability to water greater than 950 g 30 ?m/m2 24 h in which the biodegradable film comprises starch and possibly a thermoplastic polymer insoluble in water with melting temperature between 60° C. and 150° C.Type: GrantFiled: April 7, 2005Date of Patent: June 10, 2014Assignee: Novamont S.p.A.Inventors: Catia Bastioli, Gianfranco Del Tredici, Roberto Ponti, Maurizio Tosin
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Patent number: 8748543Abstract: The polylactic acid film is obtained by melt extruding polylactic acid (A) prepared by melt kneading together polylactic acid (B) which comprises an L-lactic acid unit as the main ingredient and polylactic acid (C) which comprises a D-lactic acid unit as the main ingredient in a specific weight ratio, wherein the polylactic acid film has: (a) a stereocomplex crystal rate (S) defined by the following equation (i) of 90% or more: S={(?Hmsc/(?Hmsc+?Hmh)}×100??(i) (in the above equation, ?Hmh is the melting enthalpy of a low-melting point crystal melting peak at a temperature lower than 190° C. obtained by differential scanning calorimeter (DSC) measurement and ?Hmsc is the melting enthalpy of a high-melting point crystal melting peak at a temperature of 190° C. or higher obtained by DSC measurement), (b) a haze of 10% or less, and (c) a haze change of 5% or less after it is heated at 140° C. for 10 minutes.Type: GrantFiled: September 29, 2009Date of Patent: June 10, 2014Assignee: Teijin LimitedInventors: Shigeyoshi Masuda, Kohei Endo, Kinji Hasegawa
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Publication number: 20140154489Abstract: The present invention relates to a packaging film including a lactide copolymer having no problem of pollution or toxicity while having good flexibility in addition to excellent properties such as mechanical properties, transparency, and processability, and preferably being applicable to food packaging. The packaging film includes a lactide copolymer including two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, wherein the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3.Type: ApplicationFiled: December 4, 2013Publication date: June 5, 2014Applicant: LG CHEM LTD.Inventors: Jung-Min SOHN, Seung Young PARK, Sung-Cheol YOON, Do-Yong SHIM
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Publication number: 20140155557Abstract: The invention relates to the invention provides innovative long-lived and hydrolysis-stable biobased plastics based on polyhydroxyalkanoate (PHA) and featuring sufficient melt stability, a method for producing them and their use.Type: ApplicationFiled: May 2, 2012Publication date: June 5, 2014Applicant: RHEIN CHEMIE RHEINAU GMBHInventors: Andrea Fruth, Andreas Krug, Bernd Wiloth
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Patent number: 8742013Abstract: The present disclosure provides polymer compounds binding with lipoamide produced by the reaction of the primary amine group of lipoamide with the carboxy group of polysaccharide compounds such as chondroitin sulfates, carboxymethyl celluloses, or hyaluronic acids; functional compounds such as peptides, proteins, growth factors; or drugs; or biocompatible polymers such as poly(ethylene oxide), poly(vinyl alcohol), or poly(vinyl pyrrolidone). The present disclosure also provides their synthesis methods, products of hydrogels and films using the same as and methods for manufacturing the products.Type: GrantFiled: October 29, 2009Date of Patent: June 3, 2014Assignee: Seoul National University of Technology Center for Industrial CollaborationInventors: Insup Noh, Seongyeun Jo, Doyeon Kim, Junghoon Woo
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Patent number: 8742029Abstract: Blends comprising 65-95 wt % poly(trimethylene terephthalate-co-sebacate), 5 to 35 wt % polylactic acid and a chain extender are provided that exhibit greatly increased melt strength compared to that of poly(trimethylene terephthalate-co-sebacate) alone. Such improvements allow these compositions to be processed readily by melt-blowing, which is useful for packaging and for preparing items such as biodegradable garbage bags.Type: GrantFiled: December 28, 2012Date of Patent: June 3, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Rameshchandra M Gohil, Yuefei Tao, Mark F Teasley, Lech Wilczek
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Publication number: 20140148558Abstract: The present invention relates to the field of tailored di-, tri- and multi-block as well as gradient polyesters/polycarbonates copolymers prepared by introducing monomers simultaneously in the reaction medium in the presence of an organometallic, metal salt or organic catalyst.Type: ApplicationFiled: September 2, 2011Publication date: May 29, 2014Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE(CNRS), TOTAL RESEARCH & TECHNOLOGY FELUYInventors: Marion Helou, Sophie Guillaume, Jean-François Carpentier, Martine Slawinski, William Guerin
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Publication number: 20140128540Abstract: The present invention relates to new copolymers made of polylactic acid and aromatic polycarbonate, to processes for their preparation and their uses.Type: ApplicationFiled: August 26, 2011Publication date: May 8, 2014Applicant: UNIVERSITA' DI PISAInventors: Andrea Lazzeri, Thanh Vu Phuong, Patrizia Cinelli