Polymer From Ethylenic Monomers Only Patents (Class 514/772.4)
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Publication number: 20140120061Abstract: The present invention relates to compositions for oral administration. The invention preferably comprises at least one abuse-resistant drug delivery composition for delivering a drug having potential for dose dumping in alcohol, related methods of preparing these dosage forms, and methods of treating a patient in need thereof comprising administering the inventive compositions to the patient. Most preferably, the dosage form includes verapamil. These formulations have reduced potential for abuse. In another formulation, preferably the abuse relevant drug is an opioid and the non-abuse relevant drug is acetaminophen or ibuprofen. More preferably, the opioid is hydrocodone, and the non-abuse relevant analgesic is acetaminophen. In certain preferred embodiments, the dosage forms are characterized by resistance to solvent extraction; tampering, crushing or grinding.Type: ApplicationFiled: July 8, 2013Publication date: May 1, 2014Inventors: Wolfgang Roth, Alexander Burst, Martina Zietsch
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Patent number: 8709452Abstract: The disclosure provides bone-mimetic mineral/polymer composite materials useful for formation of artificial bone grafts and for bone tissue engineering. The disclosure provides a hydrogels, cryogels and macroporous compositions modified with varying lengths of anionic pendant side chains (CH2?CHCONH(CH2)nCOOH, where n=1 to 12).Type: GrantFiled: July 13, 2012Date of Patent: April 29, 2014Assignee: The Regents of the University of CaliforniaInventors: Shyni Varghese, Ameya Phadke
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Publication number: 20140113926Abstract: The present invention relates to a process for the production of an abuse-proofed solid dosage form containing at least one active ingredient with potential for abuse and a binder with a breaking strength of ?500 N, by exposing a mixture comprising the active ingredient and the binder to ultrasound and force.Type: ApplicationFiled: December 30, 2013Publication date: April 24, 2014Applicant: GRUENENTHAL GMBHInventors: Elisabeth Arkenau Maric, Johannes Bartholomäus
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Publication number: 20140105840Abstract: The present invention provides a solid cosmetic for lips that has excellent secondary adhesion resistance effect, excellent feeling in use, gloss durability, and excellent stability. The solid cosmetic for lips of the present invention is characterized by comprising the following (a) to (d): (a) 5 to 30 mass % of hydrogenated polyisobutene, (b) 30 to 70 mass % of one or more kinds of methyl phenyl silicones that separate from (a) when mixed therewith at 25° C., (c) 0.5 to 15 mass % of oil that separates from both (a) and (b) when mixed therewith at 25° C., and (d) 4 to 12 mass % of wax.Type: ApplicationFiled: May 14, 2012Publication date: April 17, 2014Applicant: SHISEIDO COMPANY, LTD.Inventors: Noriko Tomita, Kaori Sasada, Tomoko Ikeda, Mika Katayama, Tomoko Watanabe
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Publication number: 20140100291Abstract: The invention provide a class of actinically-crosslinkable silicone-containing prepolymers obtained by functionalizing an intermediary copolymer to have two or more thiol or ethylenically-unsaturated groups covalently attached thereto, wherein the intermediary copolymer is an atom-transfer radical polymerization (ATRP) product of a reactive mixture comprising a polysiloxane ATRP macroinitiator and at least one hydrophilic vinylic monomer. The present invention is also related to silicone hydrogel contact lenses made from a prepolymer of the invention and methods for making the contact lenses in a cost-effective way and with high consistency and high fidelity to the original lens design.Type: ApplicationFiled: December 11, 2013Publication date: April 10, 2014Applicant: Novartis AGInventors: Frank Chang, Jinyu Huang, Robert Scott, Guigui Wang
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Publication number: 20140086854Abstract: The invention relates to water-soluble or water-swellable polymers that contain a) 20.0 to 98.97 mole-% of one or more repeating structural units originating from special monomers with sulfonic acid groups or the salts thereof such as e.g. 2-acrylamido-2-methyl-propanesulfonic acid or the salts thereof, b) 1.0 to 60.0 mole-% of one or more repeating structural units containing an amide group and d) 0.01 to 8.0 mole-% of one or more repeating structural units originating from special crosslinking agents with at least three polymerizable double bonds. The polymers for example have an advantageous sensory property profile and are highly suitable as thickening agents even in salt-containing compositions. They are furthermore advantageously suitable for producing cosmetic, dermatological or pharmaceutical compositions.Type: ApplicationFiled: March 3, 2012Publication date: March 27, 2014Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Peter Klug, Dirk Fischer, Thomas Lindner, Wiebke Mueckenheim, Bianca Brasch, Michael Hornung
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Patent number: 8680011Abstract: This invention relates to an improved granular formulation of herbicide glyphosate in form of ammonium salt using environmentally friendly adjuvants, and a process for preparation thereof. The formulation minimizes the use of some inactive ingredients without compromising the effectiveness of the product.Type: GrantFiled: October 3, 2008Date of Patent: March 25, 2014Assignees: Excel Crop Care Limited, C C Shiroff Research InstituteInventors: Dipesh Kantisen Shroff, Ashwin Champraj Shroff, Ashok Kundanmal Jain, Rajendra Pralhad Chaudhari, Sanjay Dhirajlal Vadodaria, Sanjay Shambhubhai Vaghela, Vandana Chandrakant Mhatre, Bhakti Rajesh Thakkar
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Publication number: 20140079758Abstract: A medical appliance or prosthesis may comprise one or more layers of electrospun nanofibers, including electrospun polymers. The electrospun material may comprise layers including layers of polytetrafluoroethylene (PTFE). Electrospun nanofiber mats of certain porosities may permit tissue ingrowth into or attachment to the prosthesis.Type: ApplicationFiled: March 14, 2013Publication date: March 20, 2014Applicant: MERIT MEDICAL SYSTEMS, INC.Inventors: John William Hall, Bart Dolmatch, Zeke Eller, Robert S. Kellar, Rachel Lynn Simmons, Wayne L. Mower
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Publication number: 20140072518Abstract: The present disclosure is directed to a class of fluorinated copolymers, such as a PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline.Type: ApplicationFiled: September 12, 2013Publication date: March 13, 2014Applicant: W. L. Gore & Associates, Inc.Inventors: Robert L. Cleek, Paul D. Drumheller, Theresa A. Holland
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Publication number: 20140072514Abstract: The present disclosure is directed to a class of fluorinated copolymers, such as PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline.Type: ApplicationFiled: September 12, 2013Publication date: March 13, 2014Applicant: W. L. Gore & Associates, Inc.Inventors: Robert L. Cleek, Edward H. Cully, Paul D. Drumheller, Theresa A. Holland
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Publication number: 20140066471Abstract: Disclosed is an external preparation composition having good transdermal absorbability. An external preparation composition having excellent transdermal absorbability can be produced by dissolving a medicinal substance or a salt thereof in a fatty acid-based ionic liquid to form a composite ionic composition of the medicinal substance. The external preparation composition can be used as a liquid preparation, an ointment, a cream, a plaster or the like, and enables to provide a preparation having excellent transdermal absorbability.Type: ApplicationFiled: November 6, 2013Publication date: March 6, 2014Applicant: MEDRX CO., LTD.Inventors: Toshikazu YAMAGUCHI, Kenta KAWAI, Katsuhiro YAMANAKA, Noboru TATSUMI
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Publication number: 20140065226Abstract: A thermo-responsive hydrogel, including a biocompatible monomer and/or polymer having a side chain-linked amino acid. The hydrogel is thermo-responsive at a physiological temperature, and can include, incorporate, or encapsulate a treatment agent, such as a drug composition, a biomolecule, and/or a nano-particle. The hydrogel is useful in delivering the treatment agent. The hydrogel is in a first physicochemical state for administration to a mammal. The hydrogel is thermo-responsive at a physiological temperature of the mammal, and changes to a second physicochemical state that is more solid than the first physicochemical state. In the second physicochemical state the thermo-responsive hydrogel releases the treatment agent.Type: ApplicationFiled: March 5, 2012Publication date: March 6, 2014Inventors: Eric Brey, Jennifer J. Kang-Mieler, Victor Perez-Luna, Bin Jiang, Pawel Drapala, Rolf Schäfer, Hans Hitz
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Patent number: 8658204Abstract: An object of the present invention is to provide a liposome which is excellent in intrapulmonary delivery controllability of drugs or genes and is suited for pulmonary administration. By modifying the surface of a liposome using a terminal hydrophobized polyvinyl alcohol and/or chitosan, retention of drugs or genes encapsulated in the liposome on the surface of lung tissue and transfer of drugs or genes into lung tissue can be properly modulated, and thus in vivo behavior can be controlled.Type: GrantFiled: March 28, 2008Date of Patent: February 25, 2014Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hirofumi Takeuchi, Koji Nakano, Hidekazu Toyobuku
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Publication number: 20140051771Abstract: A molded polyethylene component that comprises polyethylene having a melt flow index of about 3.5 g/10 min or greater as measured by ASTM D1238 at 190° C./21.5 kg weight and having an ash content of about 500 ppm or less may be useful biomedical devices, including kits and methods relating thereto.Type: ApplicationFiled: August 12, 2013Publication date: February 20, 2014Applicant: Ticona LLCInventors: Julia Hufen, Anthony Verrocchi, Rainer Walkenhorst
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Publication number: 20140044787Abstract: The present application discloses a sustained release composition in pellet form, wherein the core of the pellet comprises: (a) a therapeutically effective amount of a medicament; (b) 0.5 to 50% by weight of a water-soluble polymer; and (c) 1 to 25% by weight of a water-insoluble polymer applied as an aqueous latex dispersion and subsequently the water is removed, wherein the sum of the percentages of the medicament, the water-insoluble polymer and the water-soluble polymer is equal to or less than 100%. It also discloses methods of making this composition.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: NOSTRUM PHARMACEUTICALS, LLCInventor: Nirmal MULYE
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Publication number: 20140038996Abstract: The present invention relates to a freeze-dried (also called lyophilized) drug nanosuspension. The present freeze-dried drug nanosuspension composition has an acceptable stability of the particle size distribution during storage, including long term storage.Type: ApplicationFiled: April 13, 2012Publication date: February 6, 2014Applicant: Janssen Pharmaceutica NVInventors: Sabine Karine Katrien Inghelbrecht, Jakob Andreas Beirowski, Henning Gieseler
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Publication number: 20140037706Abstract: The invention relates to methods for forming a pest control composition, comprising the steps of providing a lower polymer weave; providing an upper polymer film; and mixing a pest control agent with a polymer and extruding the resulting mixture between the lower polymer weave and the upper polymer film. In another embodiment, the method of forming a pest control composition comprises providing a lower polymer weave layer and mixing a pest control agent with a polymer and extruding the resulting mixture on the lower polymer weave layer. Other embodiments involve pellets and monolayer films of pest control agent and polymer. In other embodiments, the invention relates to pest control compositions formed by such processes.Type: ApplicationFiled: July 31, 2013Publication date: February 6, 2014Applicant: ProvisionGard Holdings, LLCInventor: James Bagwell
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Patent number: 8637579Abstract: A first object of the invention is a process for thickening of an aqueous composition, through the introduction into the said composition for thickening of at least one polymer, characterized in that the said polymer contains at least one anionic monomer, which is an organophosphate monomer.Type: GrantFiled: June 1, 2007Date of Patent: January 28, 2014Assignee: Coatex S.A.S.Inventors: Yves Kensicher, Jean-Marc Suau
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Publication number: 20140018395Abstract: Disclosed herein are compositions and methods for the treatment of otic diseases or conditions with auris sensory cell modulating agent compositions and formulations administered locally to an individual afflicted with an otic disease or condition, through direct application of these compositions and formulations onto or via perfusion into the targeted auris structure(s).Type: ApplicationFiled: June 26, 2013Publication date: January 16, 2014Applicants: The Regents of the University of California, Otonomy, Inc.Inventors: Jay Lichter, Andrew M. Trammel, Fabrice Piu, Qiang Ye, Michael Christopher Scaife, Benedikt Vollrath, Sergio G. Durón, Luis A. Dellamary, Carl Lebel, Jeffrey P. Harris
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Publication number: 20140010873Abstract: The present disclosure relates to pharmaceutical compositions that are abuse resistant and may also provide controlled release. The present disclosure also relates to the use of pharmaceutical compositions in the treatment of pain.Type: ApplicationFiled: July 1, 2013Publication date: January 9, 2014Inventors: Peter Holm Tygesen, Karsten Lindhardt, Martin Rex Olsen, Gina Engslev Fischer, Jan Martin Overgard, Georg Boye, Nikolaj Skak, Torben Elhauge
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Patent number: 8623343Abstract: The present invention relates to a copolymer with high cationic charge based on quaternized nitrogen-containing monomers, to cosmetic or pharmaceutical compositions which comprise at least one such copolymer, and to further uses of these copolymers.Type: GrantFiled: July 1, 2008Date of Patent: January 7, 2014Assignee: BASF SEInventors: Nicole Meier, Ivette Garcia Castro, Claudia Wood, Jessica Staub
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Patent number: 8617900Abstract: Co-topo-polymeric indicator compositions and methods for making and using the same are provided. Indicator compositions of the invention include a polymer and undergo a color change, which may be reversible or irreversible, in response to an applied stimulus, e.g., temperature. Aspects of methods of producing the compositions include setting a fluid co-topo-polymeric precursor composition into a solid product and then subjecting the solid product (either immediately or after a delay period) to polymerizing conditions to produce the desired indicator composition. Also provided are indicator devices that include the indicator compositions of the invention. The compositions of the invention find use in a variety of different applications.Type: GrantFiled: April 27, 2012Date of Patent: December 31, 2013Assignee: Segan Industries, Inc.Inventor: Hans O. Ribi
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Publication number: 20130338569Abstract: A polymeric hydrogel composition is described for the delivery of a pharmaceutically active agent when an electrical stimulus is applied to the composition. The composition comprises a polymer which forms the hydrogel, such as poly vinyl alcohol (PVA) cross-linked with diethyl acetamidomalonate (DAA), an electroactive polymer such as polyaniline and a pharmaceutically active agent such as an analgesic, and in particular, indomethacin. The composition can be subcutaneously implanted at a targeted site and under normal conditions, the active agent will be entrapped in the hydrogel itself. However, upon the application of an electric current to the hydrogel, the active agent will be released. When the electric current is removed, the change is reversed and the active agent will cease to be released. In one embodiment of the invention, the hydrogel composition is for use in alleviating chronic pain.Type: ApplicationFiled: November 28, 2011Publication date: December 19, 2013Applicant: UNIVERSITY OF WITWATERSRAND, JOHANNESBURGInventors: Thomas Tsai, Viness Pillay, Yahya Essop Choonara, Lisa Claire Du Toit
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Publication number: 20130336882Abstract: The adhesive composition for soft tissues, the adhesive composition for wound dressing or the wound dressing agent composition of the present invention is an adhesive composition for soft tissues, an adhesive composition for wound dressing or a wound dressing agent composition, comprising a monomer (A), a polymer (B) and a polymerization initiator composition (C) containing an organoboron compound, and is characterized by having a viscosity of 0.4 to 75,000 cp within 30 seconds after mixing of the components (A), (B) and (C). The composition of the present invention not only has low toxicity, low harmfulness and high adhesive strength but also is excellent in workability during application and is capable of forming films of excellent properties.Type: ApplicationFiled: August 14, 2013Publication date: December 19, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Noriaki ASADA, Shinya Aoki, Hiroshi Naruse, Shoichi Miyakoshi, Masami Arata
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Patent number: 8604079Abstract: The present invention relates to a solid cosmetic composition comprising, as a structure agent, a combination consisting of a saturated straight-chain polymer and an agglutinating agent for this polymer. The composition of the invention has a rigid, moldable and stable structure, being suitable for application as, for example, lipstick, blush, eye shadow, stick base, lip protectors (either colorful or colorless), deodorants, perfumes, among others.Type: GrantFiled: February 28, 2008Date of Patent: December 10, 2013Assignee: Nature Cosmeticos S.A.Inventors: Adriana Amaral Rodrigues, Claudia Léo
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Publication number: 20130312970Abstract: An aqueous fluid contains an aqueous solution or dispersion of a polymer to thicken the fluid together with a cross linking agent to enhance the viscosity of the fluid by crosslinking the polymer, wherein the crosslinking agent comprises supporting structures bearing functional groups to react with the polymer molecules and has a mean particle size of 2 nanometer or more. The supporting structures may be nanoparticles and the functional groups may be boronic acid groups. The concentration of boron in a thickened fluid may be low and in some instances there is resistance to applied pressure. The fluid may be a hydraulic fracturing fluid.Type: ApplicationFiled: November 22, 2011Publication date: November 28, 2013Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Valerie Lafitte, Laetitia Corde, Laurent Pirolli, Gary John Tustin, Bruno Drochon
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Patent number: 8592511Abstract: Preparation of semiconductor nanocrystals and their dispersions in solvents and other media is described. The nanocrystals described herein have small (1-10 nm) particle size with minimal aggregation and can be synthesized with high yield. The capping agents on the as-synthesized nanocrystals as well as nanocrystals which have undergone cap exchange reactions result in the formation of stable suspensions in polar and nonpolar solvents which may then result in the formation of high quality nanocomposite films.Type: GrantFiled: April 25, 2011Date of Patent: November 26, 2013Assignee: Pixelligent Technologies, LLCInventors: Zehra Serpil Gonen Williams, Yijun Wang, Robert J. Wiacek, Xia Bai, Linfeng Gou, Selina I. Thomas, Wei Xu, Jun Xu, Rakesh Patel
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Publication number: 20130310464Abstract: The invention relates to a copolymer which can be obtained by free-radical copolymerization of one or more urethane-based, polysiloxane-containing macromonomers and one or more further free-radically polymerizable comonomers. Processes for preparing the copolymer and its use as additive in coating compositions and plastics and as wetting agent and dispersant in homogeneous dispersions are also described.Type: ApplicationFiled: November 17, 2011Publication date: November 21, 2013Applicant: BYK-Dhemie GmbHInventor: Heike Bubat
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Publication number: 20130310466Abstract: Kit for producing a bone cement paste, comprising a paste A and a paste B; paste A comprising at least one monomer for radical polymerization, at least one peroxide polymerization initiator and at least one tertiary amine, at least one amidine or a mixture of a tertiary amine and amidine; paste B comprising at least one monomer for radical polymerization, at least one heavy metal compound as polymerization accelerator, and as polymerization co-accelerator at least one sulfimide, at least one dicarboxylic acid imide or a mixture thereof, at least one of the pastes A and B comprising at least one filling agent that is insoluble in the monomer of paste A and/or the monomer of paste B.Type: ApplicationFiled: April 30, 2013Publication date: November 21, 2013Inventor: Sebastian VOGT
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Publication number: 20130289137Abstract: The present invention describes methods for preparing a pigment particle dispersion. Specifically, a premix composition including pigments, dispersants and a liquid carrier is milled by a solid milling agent to predetermined particle size. The solid milling agent is solubilized in the liquid carrier which eliminates the need for separating the solid milling agent from the dispersion.Type: ApplicationFiled: December 13, 2011Publication date: October 31, 2013Applicant: Sun Chemical CorporationInventor: Mark Ortalano
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Publication number: 20130287735Abstract: Materials and methods for preparing three dimensional scaffolds are described. The materials, as improved high internal phase emulsions (HIPES), and the polymerization thereof may be suitable for injection prior to curing and when in an injectable form may be for site-directed in vivo use, curing after injection. In addition, said materials before curing may be engineered as a tissue substitution or enhancement and/or to include cell encapsulation. Said materials described herein form a monolith after curing and are biodegradable and porous after curing. Said materials are made from starting molecules using a process that does not rely on toxic solvents or monomers. Making of said materials to form the emulsion take advantage of one or more surfactants for HIPE stability. In addition, said materials cure at temperatures appropriate for use in an in vivo or in situ environment.Type: ApplicationFiled: October 12, 2012Publication date: October 31, 2013Inventor: The Texas A&M University System
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Patent number: 8568701Abstract: The present invention is related to surfactant-based formulations comprising the polyelectrolytes and blends of such polyelectrolytes with non-cellulosic cationic polysaccharide polymers wherein the surfactant is a phosphate ester. The surfactant-based formulations exhibit improved clarity of the resulting formulations, their improved conditioning of keratin substrates, textile substrates, and hard-surface substrates, their improved deposition of dispersed phase materials onto keratin substrates, textile substrates, and hard-surface substrates, their improved lather performance, and their improved rheology in applications such as personal care and household care products and textile applications.Type: GrantFiled: December 6, 2011Date of Patent: October 29, 2013Assignee: Hercules IncorporatedInventors: Patric Bierganns, Paquita Erazo-Majewicz, Nabil Naouli
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Publication number: 20130280338Abstract: A tamper-resistant pharmaceutical dosage form comprising a pharmacologically active ingredient embedded in a prolonged release matrix, which comprises a prolonged release matrix material selected from the group consisting of nonionic acrylic polymers and waxy materials and which provides prolonged release of the pharmacologically active ingredient, resistance against solvent extraction, resistance against grinding, and resistance against dose-dumping in aqueous ethanol.Type: ApplicationFiled: April 17, 2013Publication date: October 24, 2013Inventors: Klaus WENING, Lutz BARNSCHEID, Sebastian SCHWIER
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Publication number: 20130274348Abstract: It is an object of the present invention to provide an orally disintegrating tablet that has desirable oral disintegrability and excellent tablet hardness, a process for producing the same, and the like. The present invention provides an orally disintegrating tablet comprising: at least one diluent selected from D-mannitol, lactose, trehalose, xylitol, maltitol, and erythritol; a drug; a disintegrant; and at least one binder selected form methacrylic acid copolymer S, methacrylic acid copolymer L, methacrylic acid-ethyl acrylate copolymer, ethyl acrylate-methyl methacrylate copolymer, and methyl methacrylate-butyl methacrylate-dimethylaminoethyl methacrylate copolymer.Type: ApplicationFiled: August 31, 2011Publication date: October 17, 2013Applicant: KYOWA HAKKO KIRIN CO., LTD.Inventors: Takafumi Sato, Motohiro Ota, Makoto Kigoshi, Hideki Morita
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Publication number: 20130261093Abstract: A cosmetic composition in the form of an oil-in-water emulsion methods of using and producing cosmetic compositions is provided. The cosmetic composition includes an aqueous phase, an oil phase comprising a water-in-oil emulsifier, and an oil stabilizing component. The water-in-oil emulsifier is at concentration, by weight, of about 0.01% to about 6.0%, based upon weight of the composition. The oil stabilizing component includes one or both of an amphiphilic compound or a surfactant having an HLB of 13 or greater added to the aqueous phase. The oil stabilizing component is at a concentration, by weight, of about 0.01% to about 1.0%, based upon weight of the composition. The oil-in-water emulsion has an increased water load relative to water-in-oil emulsions without having an increased viscosity.Type: ApplicationFiled: March 29, 2012Publication date: October 3, 2013Applicant: L'OREAL S.A.Inventors: Patricia BRIEVA, Angelike GALDI, Jean-Thierry SIMONNET, Anthony POTIN
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Publication number: 20130259812Abstract: Described are novel polymers and home and personal care compositions incorporating said polymers.Type: ApplicationFiled: December 12, 2011Publication date: October 3, 2013Applicant: ROHM AND HAAS COMPANYInventors: Fanwen Zeng, Miao Wang
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Publication number: 20130261526Abstract: Hydrogel compositions are provided (a) that have a continuous hydrophobic phase and a discontinuous hydrophilic phase, (b) that have a discontinuous hydrophilic phase and a continuous hydrophilic phase, or (c) that are entirely composed of a continuous hydrophilic phase. The hydrophobic phase, if present, is composed of a hydrophobic polymer, particularly a hydrophobic pressure-sensitive adhesive (PSA), a plasticizing elastomer, a tackifying resin, and an optional antioxidant. The discontinuous hydrophilic phase, if present, is composed of a crosslinked hydrophilic polymer, particularly a crosslinked cellulosic polymer such as crosslinked sodium carboxymethylcellulose. For those hydrogel compositions containing a continuous hydrophilic phase, the components of the phase include a cellulose ester composition or an acrylate polymer or copolymer, and a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding thereto.Type: ApplicationFiled: May 10, 2013Publication date: October 3, 2013Applicants: CORIUM INTERNATIONAL, INC., A.V. TOPCHIEV INSTITUTE OF PETROCHEMICAL SYNTHESIS, RUSSIAN ACADEMY OF SCIENCESInventors: Gary W. Cleary, Shoreh Parandoosh, Mikhail M. Feldstein, Anatoly E. Chalykh, Nicolai A. Platè, Valery G. Kulichikhin
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Publication number: 20130251773Abstract: Generally, controlled release insect repellent materials include at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof and at least one insect repellent and may optionally include at least one insect repellent synergist, at least one additive, at least one additional polymer, and any combination thereof. Further, controlled release insect repellent materials may be used to form articles or products with long-term efficacy.Type: ApplicationFiled: March 15, 2013Publication date: September 26, 2013Applicant: Celanese EVA Performance Polymers, Inc.Inventors: Vassilios Galiatsatos, Jeffrey C. Haley, J. Gregory Little
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Publication number: 20130243832Abstract: The present invention comprises poly(vinyl benzoate) nanoparticle suspensions as molecular carriers. These nanoparticles can be formed by nanoprecipitation of poly(vinyl benzoate) in water using Pluronic F68 as surfactant, to create spherical nanostructures measuring about 200-250 nm in diameter which are stable in phosphate buffer and blood serum, and only slowly degrade in the presence of esterases. Kinetics experiments in phosphate buffer indicate that 78% of the coumarin-6 was encapsulated within the polymer matrix of the nanoparticle, and the residual 22% of coumarin-6 was surface-bound and quickly released. The nanoparticles are non-toxic in vitro towards human epithelial cells (IC50>1000 ?g/mL) and primary bovine primary aortic endothelial cells (IC50>500 ?g/mL), and exert non-observable bactericidal activity against a selection of representative test microbes (MIC >250 ?g/mL).Type: ApplicationFiled: May 20, 2013Publication date: September 19, 2013Applicant: University of South FloridaInventors: Edward Turos, Raphael Labruere, Ryan Scott Cormier, Renaud Sicard
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Publication number: 20130243715Abstract: The invention relates to a composition, especially a cosmetic composition, comprising at least one acrylic thickener, water and at least one oil, as well as methods of using such compositions.Type: ApplicationFiled: May 5, 2011Publication date: September 19, 2013Applicant: L'OREAL S.A.Inventors: Anita Chon Tong, Sarah Fairneny, Hy Si Bui, Nishith Patel, Ramakrishnan Hariharan, Mohamed Kanji
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Publication number: 20130236401Abstract: Process for the preparation of a composition including an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex including from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, the production process being characterized in that the preparation of the aqueous phase includes the dissolution in the aqueous medium of solid 2-acrylamido-2-methyl propanesulfonic acid before neutralization. Cosmetic, dermopharmaceutical or pharmaceutical composition including the inverse latex directly obtained by the process.Type: ApplicationFiled: April 24, 2013Publication date: September 12, 2013Applicants: SCOTT BADER COMPANY LIMITED, SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPICInventors: Paul MALLO, Olivier BRAUN, Francois GUY, Audrey BONNARDEL
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Patent number: 8530526Abstract: A biobeneficial coating composition for coating an implantable device, such as a drug eluting stent, a method of coating the device with the composition, and an implantable device coated with the composition are provided.Type: GrantFiled: September 2, 2010Date of Patent: September 10, 2013Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Stephen D. Pacetti
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Publication number: 20130231401Abstract: The present invention provides an oil-in-water external skin preparation that has an excellent stability, excellent rough-surface correction effect, and excellent texture. The oil-in-water external skin preparation of the present invention is characterized by comprising (a) an aqueous phase containing resin particles obtained from 100 parts by weight of a vinyl-type monomer and 0.1 to 20 parts by weight of a monomer represented by the below general formula (I), (b) an oil phase, and (c) a surfactant comprising one or more selected from polyoxyethylene hydrogenated castor oil, silicone-type surfactants, and sulfonic acid-type surfactants, in the amount of 0.01 to 5% by mass of the total amount of the external skin preparation and 30% by mass or more of the total amount of surfactants. (In the above formula, R represents a hydrogen atom or a methyl group, 1 represents 1 to 50, and m represents 1 to 50.Type: ApplicationFiled: September 13, 2011Publication date: September 5, 2013Applicant: SHISEIDO COMPANY, LTD.Inventors: Takuya Hiruma, Tetsuya Kanemaru, Yukiko Sato, Shun Kubota, Katsuhiko Yagi
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Publication number: 20130230482Abstract: There is provided a water dispersion for a sustained release preparation, the dispersion having viscosity at 25° C. of not more than 100 mPa·s and including polymer particles which are obtained by polymerizing ethylenically unsaturated group-containing monomers (A); at least one kind of a hydrophilic substance (B) in an amount of more than 0% by weight but not more than 20% by weight relative to a total amount of the ethylenically unsaturated group-containing monomers (A), being selected from a group consisting of a surfactant, a plasticizer and a moisturizer; polyvinyl alcohol (C) in an amount of more than 0% by weight but not more than 30% by weight relative to a total amount of the ethylenically unsaturated group-containing monomers (A), having a degree of saponification of more than 82 mol %; and water.Type: ApplicationFiled: April 19, 2013Publication date: September 5, 2013Applicant: Nissin Chemical Industry Co., Ltd.Inventors: Ryuichi Saguchi, Takehiko Fukumoto, Masahiko Ikka, Kouji Kinoshita, Hiroyuki Saitou, Yoshihiro Ozawa
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Patent number: 8524273Abstract: A transdermal absorption preparation having a support and a pressure-sensitive adhesive layer consisting of multiple layers, wherein the pressure-sensitive adhesive layer comprises a drug-retaining layer containing a drug and an acrylic pressure-sensitive adhesive and a skin adhesion layer containing a styrene-isoprene-styrene block copolymer. This preparation can continuously release bisoprolol at a constant concentration. Moreover, it can be easily produced.Type: GrantFiled: February 27, 2007Date of Patent: September 3, 2013Assignee: Hisamitsu Pharmaceutical Co., Inc.Inventors: Satoshi Amano, Sachiko Honma, Tetsuro Tateishi, Natsumi Kase
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Publication number: 20130224133Abstract: There is described an oil-in-water emulsion free of surfactant agents comprising: A) At least a cross-polymer acrylate/alkyl-acrylate or derivatives thereof, or mixtures thereof in the aqueous phase of the emulsion; b) At least a polyacrylate or derivatives thereof, or mixtures thereof in the oily phase of the emulsion, and c) At least a neutralizing agent. Further, the present invention refers to a process of obtaining a surfactant-free emulsion and its use in cosmetics and pharmaceuticals compositions. The emulsion in question can be applied to all kinds of skin, being also indicated for people with sensitive skin.Type: ApplicationFiled: July 29, 2011Publication date: August 29, 2013Applicant: NATURA COSMETICOS S.A.Inventors: Rodrigo Collina Romanhole, Leda Fernanda de Jesus, Debora Midori Myaki Pedroso, Valeria Maria Di Mambro, Elisangela Gama, Eduardo Alexandre de Oliveria Reis, Rodrigo Fuscelli Pytel, Kassandra Azevedo Tadini, Joice Panzarin Savietto
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Publication number: 20130225699Abstract: A polymerizable dental material with reactive paste-forming agent, hardened dental material and the use thereof. A polymerizable dental material containing at least one paste-like component A and at least one paste-like component B is described, whereby component A contains at least one initiator of the radical polymerization c) selected from the group of barbituric acid derivatives and/or of malonyl sulfamides, and whereby component B contains an organic compound d) comprising at least one acrylic acid ester and/or methacrylic acid ester, at least one metal compound e) and at least one halide and/or pseudo halide compound f). The polymerizable dental material is characterized in that component A as reactive paste-forming agent contains at least one organic compound a) derived from maleic acid and/or fumaric acid and/or itaconic acid, and/or at least one compound comprising at least one allyl and/or methallyl residue b).Type: ApplicationFiled: September 23, 2011Publication date: August 29, 2013Applicant: KETTENBACH GMBH & CO. KGInventors: Alexander Bublewitz, Alexander Theis, Jens-Peter Reber
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Patent number: 8519010Abstract: What is described herein are antimicrobial compositions which are defined blends of a 1,2-diol and phenoxyethanol which show broad activity against bacteria, fungi and mold spores. This activity is potentiated by the addition thereto of small amounts of a co-biocide for which the blend acts as a delivery system for the otherwise water-insoluble co-biocide.Type: GrantFiled: April 29, 2011Date of Patent: August 27, 2013Assignee: ISP Investments Inc.Inventors: John J. Merianos, Paul Garelick, Susan M. Lindstrom
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Patent number: 8513225Abstract: Disclosed herein is a composition containing a high concentration of PG is unexpectedly capable of quickly killing other bacteria, fungi, and/or virus in vitro that is indicative of its potential high efficacy in treating various skin infection. Embodiments disclosed herein relate to a composition and method for effective topical treatment of inflammatory skin lesions in mammals, comprising of a high concentration of propylene glycol alone, or in combination with an astringent. The PG at high concentrations can be regarded as an extremely effective, safe, topical, universal, microbicide.Type: GrantFiled: April 5, 2011Date of Patent: August 20, 2013Assignee: Winlind Skincare, LLCInventor: Win L Chiou
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Patent number: 8512757Abstract: The invention provides a block copolymer comprising at least a first block and a second block. The first block comprises a plurality of temperature-sensitive monomeric units, a plurality of hydrophilic monomeric units and a plurality of targeting monomeric units, and the second block comprises a plurality of hydrophobic monomeric units. The second block comprises at least one pH-sensitive moiety.Type: GrantFiled: July 5, 2006Date of Patent: August 20, 2013Assignee: Agency for Science, Techology and ResearchInventors: Yi-Yan Yang, Shao-Qiong Liu