Synthetic Polymer Patents (Class 424/486)
  • Patent number: 8795730
    Abstract: Compositions are provided for promoting healing of tissue of a vertebrate organism. The compositions can be for internal administration of a therapeutically effective amount of pharmacologically active, protease inhibiting, aqueous media soluble polysulfonated materials in salt form and associated with a secondary material to reduce one or more of inflammation, bacterial proliferation, proteolytic activity, and cancerous cell growth. The compositions may additionally or alternatively be cross-linked so as to alter the solubility of these pharmacologically active salts or slow dissolution by providing biodegradable cross-linkers. Compositions for healing the tissue of a multicellular organism are provided that can include a polysulfonated material in a liquid mixture, as solid particles or constructs that may or may not biodegrade or deliver a pharmacologically relevant value.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: August 5, 2014
    Inventor: David John Vachon
  • Publication number: 20140212493
    Abstract: A composition including an association complex of a pharmaceutical composition and one or more polyethylene-polypropylene glycol block copolymers (poloxamers) is provided. The pharmaceutical composition may include a member selected from the group consisting of (a) an association complex of an eprosartan composition including eprosartan or a pharmaceutically acceptable salt of eprosartan and (b) the non-zwitterionic compound 2-(7-chloro-S-methyl-4-oxo-3-phenyl-4,S dihydro-3H-pyridazino (4,S-b)indol-1-yl)N, N-dimethylacetamide (NZ).
    Type: Application
    Filed: April 2, 2014
    Publication date: July 31, 2014
    Applicant: BVM Holding Co.
    Inventors: Ketan Mehta, Yu-Hsing Tu
  • Publication number: 20140212355
    Abstract: It is provided herein methods, devices, and compositions for trans-arterial local delivery of therapeutic agent for the treatment of liver cancers.
    Type: Application
    Filed: January 28, 2013
    Publication date: July 31, 2014
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Mikael TROLLSAS, Syed Hossainy, John Stankus, Paul Consigny
  • Patent number: 8790700
    Abstract: An aqueous liquid suspension containing a coated drug-ion exchange resin complex comprising a core composed of an amphetamine complexed with a pharmaceutically acceptable ion-exchange resin and an uncoated amphetamine-ion exchange resin complex is provided. The coated amphetamine-ion exchange resin complex is in admixture with a polymer to form a matrix. The coating is a polyvinyl acetate polymer and a plasticizer. Methods of making the coated complex and the liquid suspension are described.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: July 29, 2014
    Assignee: TRIS Pharma, Inc.
    Inventors: Ketan Mehta, Yu-Hsing Tu
  • Patent number: 8791150
    Abstract: Block copolymer pharmaceutical compositions containing 3,3?-diindolylmethane (DIM). The pharmaceutical composition for peroral administration comprises 3,3?-diindolylmethane as an active component and a target additive, the target additive being a block copolymer of oxyethylene and oxypropylene, in which the content of the hydrophobic oxypropylene block is less than 50 mass % and the molecular mass of the hydrophilic oxyethylene block is equal to 2,250 Da or more, at a ratio of the active component to the selected block copolymer varying between 1:2 and 1:10. The composition improves absorption of the active compound by the bloodstream upon peroral delivery.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: July 29, 2014
    Assignee: Zakrytoe Aktsionernoe Obschestvo “Veles Farma”
    Inventors: Vsevolod Ivanovich Kiselev, Irina Gennadievna Vassilieva
  • Publication number: 20140199244
    Abstract: The present invention relates to controlled release systems that may be administered other than intravenously. The controlled release system is directed to 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. The controlled release systems may suitably be used to treat diseases.
    Type: Application
    Filed: June 26, 2012
    Publication date: July 17, 2014
    Applicant: CRISTAL DELIVERY B.V.
    Inventors: Cristianne Johanna Ferdinand Rijcken, Martin Stigter, Josephus Johannes Maria Holthuis
  • Patent number: 8778396
    Abstract: This invention relates to an orally administrable, gastroretentive pharmaceutical dosage form which contains at least one pharmaceutically active ingredient and at least one polymeric adjuvant. The adjuvant serves to retain the dosage form in a selected region of the gastrointestinal tract for sufficient time for the pharmaceutically active ingredient to be released and absorbed. Ideally the dosage form will contain two or more pharmaceutically active ingredients which are delivered to different regions of the gastrointestinal tract.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: July 15, 2014
    Assignee: University of the Witwatersrand, Johannesburg
    Inventors: Viness Pillay, Yahya Choonara, Caragh Murphy, Sarashnee Moonisami
  • Patent number: 8771738
    Abstract: Method of forming tissue adhesives by reacting an oxidized polysaccharide with a water-dispersible multi-arm polyether amine, wherein at least three of the arms are terminated by primary amine groups, are disclosed. The use of the tissue adhesives for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; drug delivery; anti-adhesive applications; and as a bulking agent to treat urinary incontinence are described.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: July 8, 2014
    Assignee: Actamax Surgical Materials, LLC
    Inventors: George K. Kodokian, Samuel David Arthur
  • Patent number: 8771720
    Abstract: Polyhydroxyalkanoates (PHAs) from which pyrogen has been removed are provided. PHAs which have been chemically modified to enhance physical and/or chemical properties, for targeting or to modify biodegradability or clearance by the reticuloendothelial system (RES), are described. Methods for depyrogenating PHA polymers prepared by bacterial fermentation processes are also provided, wherein pyrogens are removed from the polymers without adversely impacting the polymers' inherent chemical structures and physical properties. PHAs with advantageous processing characteristics, including low melting points and/or solubility in non-toxic solvents, are also described. The PHAs are suitable for use in in vivo applications such as in tissue coatings, stents, sutures, tubing, bone, other prostheses, bone or tissue cements, tissue regeneration devices, wound dressings, drug delivery, and for diagnostic and prophylactic uses.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: July 8, 2014
    Assignee: Metabolix, Inc.
    Inventors: Simon F. Williams, David P. Martin, Tillman Gerngross, Daniel M. Horowitz
  • Patent number: 8771713
    Abstract: The present invention includes compositions, methods, systems for the controlled delivery of an active agent in a tablet polymer comprising two or more layers, wherein each of the two or more layers comprises at least one active agent and at least one molecular recognition polymer, wherein the two or more layers are compressed into a single tablet.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: July 8, 2014
    Assignee: Board of Regents, The University of Texas System
    Inventors: Nicholas A. Peppas, Barbara Ekerdt, Marta Gomez-Burgaz
  • Publication number: 20140186441
    Abstract: A biocompatible, resorbable composite for osteosynthesis includes osteoconductive particles dispersed within a porous polymer matrix having a plurality of fluid passageways that expose at least a portion of a plurality of the osteoconductive particles to an exterior of the polymer matrix. The composite may further include a chemical additive incorporated within the polymer matrix, the chemical additive being configured to modify one or more of acidity, degradation rate, melting point, hydrophilicity, and hydrophobicity of the polymer matrix. A method for making the composite includes mixing the osteoconductive particles with polymer material and the chemical additive to form a mixture and treating the mixture to bind the osteoconductive particles with the polymer material to create a solid unit.
    Type: Application
    Filed: March 13, 2013
    Publication date: July 3, 2014
    Applicant: DePuy Synthes Products, LLC
    Inventors: Stefan Beck, Lorenz Niederberger, Nico Stohler
  • Patent number: 8758803
    Abstract: Water-soluble, solid, film-shaped preparations comprising at least one film-forming polymer selected from the group consisting of the fully and partially hydrolyzed polyvinyl alcohols, and at least one water-insoluble, oily liquid which is incorporated into the film-forming polymer and amounts to at least 30 percent by weight, relative to the dry portion of the preparation. Methods for producing the preparations and the use thereof are also provided.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: June 24, 2014
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Markus Müller, Holger Piotrowski
  • Patent number: 8747820
    Abstract: The biodegradable drug delivery systems described here are formulated for implantation into the nail unit and its surrounding tissues for the treatment of various nail unit conditions. The systems include non-temperature dependent phase change compositions that may be formulated as solutions, solids, semisolids, microparticles, or crystals.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 10, 2014
    Assignee: Hallux, Inc.
    Inventors: Frank Kochinke, Corinne Bright
  • Publication number: 20140154321
    Abstract: An injectable drug delivery includes a core containing one or more drugs and one or more polymers. The core may be surrounded by one or more polymer outer layers (referred to herein as “coatings,” “skins,” or “outer layers”). In certain embodiments, the device is formed by extruding or otherwise preforming a polymeric skin for a drug core. The drug core may be co-extruded with the skin, or inserted into the skin after the skin has been extruded, and possibly cured. In other embodiments, the drug core may be coated with one or more polymer coatings. These techniques may be usefully applied to fabricate devices having a wide array of drug formulations and skins that can be selected to control the release rate profile and various other properties of the drugs in the drug core in a form suitable for injection using standard or non-standard gauge needles.
    Type: Application
    Filed: November 27, 2013
    Publication date: June 5, 2014
    Applicant: PSIVIDA US, INC.
    Inventor: Paul Ashton
  • Patent number: 8741316
    Abstract: The present invention includes compositions, methods, systems of making a composition that includes one or more active agent; a recognitive polymeric matrix; and a porosigen, wherein the composition comprises a porous recognitive, swellable hydrogel that dissociates under conditions of low water or humidity.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: June 3, 2014
    Assignee: Board of Regents, The University of Texas System
    Inventors: Nicholas A. Peppas, Aditya Durgam
  • Patent number: 8734851
    Abstract: The present invention provides implantable medical devices coated with polyelectrolyte assemblies that are fabricated by layer-by-layer deposition of nucleic acid and polycation. Such devices facilitate the local delivery of a nucleic acid contained in the polyelectrolyte assembly into a cell or tissue at an implantation site. Also provided are methods of fabricating and using implantable medical devices according to the invention.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: May 27, 2014
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: David M. Lynn, Jingtao Zhang, Christopher M. Jewell, Nathaniel J. Fredin
  • Patent number: 8734819
    Abstract: An article, such as a container or bag for garbage, or electrical wiring insulation, which repels animals such as cats, dogs, rodents, and crows. The article is made from a synthetic resin composition including a thermoplastic polymer, and from 10 to 15,000 ppm by weight of an odorant compound such as a salicylic acid ester, menthol, corn mint oil, eucalyptus oil, and camphor, and combinations thereof. The resin composition may comprise more than one thermoplastic polymer, polyethylene and ethylene/vinyl acetate copolymer being preferred first and second thermoplastic polymers, respectively. In a method for forming the synthetic resin composition, the compound is added to the second polymer in a ratio of about 1:2 parts by weight to form a master blend that then is added to an amount of the first polymer at a master blend percentage of about 1.5%.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: May 27, 2014
    Inventors: Joseph A. Dussich, Jr., Jeffrey A. Dussich, James A. Dussich, Joseph A. Dussich, III
  • Patent number: 8734828
    Abstract: A cell-free graft contains (i) a cohesive, scaffold-forming matrix with open porosity containing a biologically and pharmaceutically acceptable material, and (ii) a gel of a biologically and pharmaceutically acceptable material. The cell-free graft is produced by (v) contacting the matrix with the gel, and (vi) drying the matrix-gel complex formed in (v). The cell-free graft can be used for covering and increasing the viscoelasticity of defects, for tissue regeneration and in particular for regenerating mesenchymal tissue, especially cartilage and/or bone.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: May 27, 2014
    Assignee: BioTissue AG
    Inventors: Christian Kaps, Eszter Tanczos
  • Patent number: 8734843
    Abstract: The present invention provides theophylline sustained release particles which contain a polyglycerol fatty acid ester as a matrix base material, which have a homogenous nucleus particle structure, which can effectively mask the unpleasant taste of medicaments, and which exhibit an excellent sustained medicament releasability (dissolvability) and outstanding storage stability. In particular, the present invention provides, among other things, a method for preparing theophylline sustained release particles comprising the steps of heating a matrix base material containing a polyglycerol fatty acid ester, theophylline and ethyl cellulose to give a molten mixture; spray-cooling the molten mixture to obtain spherical core particles having an average particle diameter of 250 ?m or less; and applying fine particles to the core particles by fusion coating.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: May 27, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventor: Yuso Tomohira
  • Patent number: 8734772
    Abstract: Disclosed herein are cosmetic compositions comprising (a) at least one styrene-maleic anhydride copolymer bearing at least one group chosen from styrylpyridine and styrylpyridinium groups and (b) at least one co-film forming agent and/or at least one plasticizer. The cosmetic composition optionally further comprises at least one pigment and at least one solvent. Also disclosed herein are methods for making up and/or enhancing the appearance of a keratinous substrate comprising (1) forming a film on the keratinous substrate by applying to said keratinous substrate a cosmetic composition comprising (a) at least one styrene-maleic anhydride copolymer bearing at least one group chosen from styrylpyridine and styrylpyridinium groups and (b) at least one co-film forming agent and/or at least one plasticizer and (2) exposing the film to radiation chosen from UV and visible light radiation.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: May 27, 2014
    Assignee: L'Oreal
    Inventors: XianZhi Zhou, Jean-Thierry Simonnet, Hy Si Bui, Chunhua Li
  • Publication number: 20140141079
    Abstract: An orally deliverable pharmaceutical composition comprises a therapeutically effective amount of pramipexole or a pharmaceutically acceptable salt thereof and at least one pharmaceutically acceptable excipient, said composition exhibiting at least one of (a) an in vitro release profile wherein on average no more than about 20% of the pramipexole is dissolved within 2 hours after placement of the composition in a standard dissolution test; and (b) an in vivo pramipexole absorption profile following single dose administration to healthy adult humans wherein the time to reach a mean of 20% absorption is greater than about 2 hours and/or the time to reach a mean of 40% absorption is greater than about 4 hours. The composition is useful for oral administration, not more than once daily, to a subject having a condition or disorder for which a dopamine receptor agonist is indicated.
    Type: Application
    Filed: January 28, 2014
    Publication date: May 22, 2014
    Applicant: Pharmacia Corporation
    Inventors: Ernest J. Lee, Gerard M. Bredael, John R. Baldwin, Steven R. Cox, Mark J. Heintz
  • Patent number: 8729242
    Abstract: Methods for reducing the T-cell mitogenicity of lectin compositions are provided. In one aspect this is achieved by chemically modifying mitogenic lectin compositions under optimized conditions. Additionally or alternatively, the reduction in T-cell mitogenicity is achieved by removing unmodified subunits chemically modified mixtures. Modified lectin compositions with reduced T-cell mitogenicity are also provided as are uses of the inventive compositions.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: May 20, 2014
    Assignee: Smartcells, Inc.
    Inventors: Thomas M. Lancaster, Wenyi Cai, Ryan Faucette, Matthew Pecukonis, Todd C. Zion
  • Patent number: 8722024
    Abstract: Gels of isopropyl esters of fatty alcohols that include a dimethyl/methylhydrogensiloxane copolymer, a silanol-terminated PDMS or an ethenyl-terminated PDMS, and a hydride functional siloxane. Also provided are methods for making the gels and articles containing them.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: May 13, 2014
    Assignee: Jeen International Corporation
    Inventors: Juan Mateu, Adam Perle
  • Patent number: 8722749
    Abstract: A method for producing foams, such as sponges, from hydrocolloids is described. A solid or semi-solid gel is formed by dissolving polymeric material in an aqueous solvent. The gel formed is allowed to set, and may optionally then be cut into the desired shape. The gel may be frozen to allow formation of ice crystals to act as porogens. Subsequently, the gel is exposed to a radiant energy field for drying under vacuum. This causes the solvent to boil and the foam or sponge is formed. Medicinally active ingredients may be included in the process, so that the sponge or foam formed contains the active ingredient dispersed within the structure. The method described provides an alternative to the conventional methods of particulate leaching or freeze drying.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: May 13, 2014
    Assignee: Enwave Corporation
    Inventors: Timothy D. Durance, Jaya Sundaram, Mareike Ressing
  • Patent number: 8722066
    Abstract: The present invention provides, compositions, devices, and methods for affecting, among other things, weight loss and/or weight control, by sequestering nutrients or other compounds such as toxins from absorption in the digestive tract. The compositions, devices, and methods employ one or more members made of a compressible, absorbent matrix material. In various embodiments, the matrix material is suitable for routine use. The compressible absorbent matrix material has a size, shape and/or geometry configured for efficient packing into a small space, and/or configured to absorb and substantially retain digested material in the stomach. The devices and compositions may further comprise one or more hydrogel(s), soluble or insoluble fibers, waxes and/or gums to provide the desired mechanical properties and/or absorptive or shielding properties.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: May 13, 2014
    Assignee: Primigenia, LLC
    Inventor: Paolo Costa
  • Publication number: 20140127292
    Abstract: Oral pharmaceutical compositions for the controlled release of heparin or derivatives thereof, for example dalteparin, salts and/or derivatives thereof, comprising (a) a matrix consisting of amphiphilic compounds and lipophilic compounds with melting point lower than 90° C. in which the active ingredient is at least partially dispersed; (b) an outer hydrophilic matrix in which the lipophilic/amphiphilic matrix is dispersed; (c) optionally, other excipients suitable for solid pharmaceutical forms. The treatment of inflammatory bowel diseases (IBD) by administering to a patient in need thereof an effective amount of dalteparin, salts and/or derivatives thereof is also disclosed.
    Type: Application
    Filed: December 30, 2013
    Publication date: May 8, 2014
    Applicant: Cosmo Technologies Limited
    Inventors: Mauro Ajani, Luigi Moro, Roberto Villa
  • Patent number: 8715710
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: May 6, 2014
    Assignee: Heron Therapeutics, Inc.
    Inventors: Steven Y. Ng, Hui Rong Shen, Jorge Heller
  • Patent number: 8715711
    Abstract: This invention provides for novel antiparasitic and pesticidal forms of moxidectin, including a long-acting polymeric implant. The resulting compounds may be used in veterinary compositions which are used in treating, controlling and preventing of endo- and ectoparasite infections in animals.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: May 6, 2014
    Assignee: Merial Limited
    Inventors: Susan Mancini Cady, Baoqing Ma, Robert Clark Chapman, Chunhua Yang, Uday Jain
  • Patent number: 8715732
    Abstract: Methods and compositions are provided for producing nucleic acid-based compositions. Methods include enzyme catalyzed or nucleic acid polymer conjugation. Compositions include nucleic acid-containing hydrogels which can be elongated via rolling circle amplification. The hydrogels can encapsulate bioactive agents for drug delivery.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: May 6, 2014
    Assignee: Cornell University
    Inventors: Dan Luo, Jong Bum Lee, Hisakage Funabashi
  • Publication number: 20140120164
    Abstract: A pharmaceutical composition for controlled release of an active substance, the composition being a matrix composition of: (a) a substantially water soluble or crystalline polymer, (b) an active substance, and optionally, (c) one or more pharmaceutically acceptable excipients having a water solubility of at least 1 mg/ml at ambient temperature. The matrix composition does not contain a water dispersible or water soluble surface active agent that has at least one domain, which is compatible with the polymer in the matrix composition, and which substantially eliminates water diffusion between the interface between the polymer crystals.
    Type: Application
    Filed: August 23, 2013
    Publication date: May 1, 2014
    Applicant: EGALET LTD.
    Inventors: Gina Fischer, Daniel Bar-Shalom, Lillian Slot, Anne-Marie Lademann, Christine Andersen
  • Patent number: 8709482
    Abstract: A pharmaceutical delivery device, such as a suppository or pessary, comprises a synthetic prostaglandin PGE1 analogue (e.g. misoprostol) in a solid polyurethane hydrogel.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: April 29, 2014
    Assignee: Ferring B.V.
    Inventor: Steven Robertson
  • Patent number: 8709481
    Abstract: A system for controlled release of an active principle, includes at least (a) a degradable polymer matrix which produces acid compounds and (b) at least one acid-sensitive complex of an active principle having at least one electrostatic charge and a complexing polyelectrolyte partner of opposite charge which complexes with the active principle. A method for preparation of such a system is described. The release of the active principle (7P) is prolonged over 18 days (ternary system PMLA/7P/PLAGA) in comparison to binary systems (7P/PLAGA) and (PMLA/7P).
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: April 29, 2014
    Assignees: Centre National de la Recherche Scientifique, Univeriste de Montpellier 1
    Inventors: Michel Vert, Laurent Leclercq, Mahfoud Boustta
  • Publication number: 20140112990
    Abstract: The invention provides polymer compositions for cell and drug delivery.
    Type: Application
    Filed: April 27, 2012
    Publication date: April 24, 2014
    Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Sidi A. Bencherif, David J. Mooney, David Edwards, Roger Warren Sands
  • Publication number: 20140112980
    Abstract: An abuse-resistant controlled release pharmaceutical composition comprising a pharmaceutically effective amount of discrete particles of an active capable of abuse, wherein surfaces of said particles are wetted with a water insoluble coating material, and preferably wherein said composition comprises a matrix, in which said particles are distributed, and which renders the abuse-capable compound within the matrix difficult to separate from the matrix; and a method for the preparation of a controlled release pharmaceutical composition having a reduced potential for abuse, comprising applying a pressure force to a mixture comprising a water insoluble material, and particles of a pharmaceutically active compound capable of inducing in a subject a reaction that is physiologically or psychologically detrimental if administered in an immediate release dosage form, thereby resulting in surface coated particles, and incorporating said surface coated particles into a pharmaceutical composition
    Type: Application
    Filed: December 23, 2013
    Publication date: April 24, 2014
    Inventors: Farid Vaghefi, Gary G. Liversidge, Stephen B. Ruddy, Eugene R. Cooper
  • Patent number: 8703197
    Abstract: A branched polyamine comprises about 45 to about 70 backbone tertiary amine groups, about 90 to about 140 backbone secondary amine groups, a positive number n? greater than 0 of backbone terminating primary amine groups, and a positive number q greater than 0 of backbone terminating carbamate groups of formula (2): wherein (n?+q) is a number equal to about 45 to about 70, the starred bond of formula (2) is linked to a backbone nitrogen of the branched polyamine, L? is a divalent radical comprising 3 to 30 carbons, and q/(n?+q)×100% equals about 9% to about 47%.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: April 22, 2014
    Assignees: International Business Machines Corporation, Agency for Science, Technology and Research
    Inventors: Wei Cheng, Daniel J. Coady, Amanda C. Engler, James L. Hedrick, Pei Yun Teo, Chuan Yang, Yi Yan Yang
  • Patent number: 8703194
    Abstract: There is presently provided a stimulus-responsive polymer comprising a biodegradable polymer backbone and a stimulus-responsive pendant group attached to the biodegradable polymer backbone, wherein the biodegradable polymer backbone comprises a poly(amino ester) or a poly(amido amine), the poly(amido amine) optionally comprising a disulfide linkage in the backbone.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: April 22, 2014
    Assignee: Agency for Science, Technology and Research
    Inventors: Ye Liu, Decheng Wu, Chaobin He
  • Patent number: 8703196
    Abstract: A pharmaceutical composition comprises a dispersion comprising a low-solubility drug and a matrix combined with a concentration-enhancing polymer. At least a major portion of the drug is amorphous in the dispersion. The compositions improve the stability of the drug in the dispersion, and/or the concentration of drug in a use environment.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: April 22, 2014
    Assignee: Bend Research, Inc.
    Inventors: Walter C. Babcock, William J. Curatolo, Dwayne T. Friesen, Rodney J. Ketner, Julian B. Lo, James A. S. Nightingale, Ravi M. Shanker, James B. West
  • Patent number: 8703171
    Abstract: The present invention relates to a method of easing childbirth using a composition having a lubricant effect for use in particular during human vaginal delivery. The methods comprise applying a bioadhesive composition comprising (a) a polyacrylic acid, (b) a water-soluble thickener and (c) a humectant and (d) optionally water.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: April 22, 2014
    Assignee: HCB Happy Child Birth Holding AG
    Inventor: Andreas F. Schaub
  • Patent number: 8703195
    Abstract: Disclosed is a method in which poloxamer, a resin, and/or a tocopherol is/are fused, and the material that is to be treated is intimately dispersed with said melt. After being introduced into the melt, the material that is to be treated is coated with water to prevent hardening, and the spontaneously forming gel is homogenized. The obtained product is composed of a transparent gel that is based on at least one poloxamer, a resin or a tocopherol, and an active substance which is solubilized, dispersed, and stabilized therein and whose consistency ranges from solid, semisolid, i.e. aspic-like, to liquid. The micelles of said solubilized matter remain stable even when the same is diluted well below the CMC of poloxamer.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: April 22, 2014
    Assignee: Biorem AG
    Inventor: Hanspeter Strobel
  • Patent number: 8697746
    Abstract: A solid dispersion comprising ((1S)-1-((((1S)-1-benzyl-2,3-dioxo-3-(cyclopropylamino)propyl)amino)carbonyl)-3-methylbutyl)carbamic acid 5-methoxy-3-oxapentyl ester made amorphous in the presence of a water-soluble cellulosic polymer has improved storage stability. The solid dispersion also has improved solubility for an improved bioavailability.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: April 15, 2014
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Andrew Xian Chen, John Fan, Masazumi Yamaguchi
  • Patent number: 8697112
    Abstract: A method for treating a surface with a therapeutic agent is disclosed. The method comprises precipitating a therapeutic agent from a hydrophilic polymeric base layer with which the therapeutic agent has been complexed, to form a layer comprising microparticles of the therapeutic agent on the hydrophilic polymeric base layer, the hydrophilic polymeric base layer being grafted to the surface. Devices comprising a surface having a hydrophilic polymeric base layer comprising a hydrophilic polymer grafted to the surface and a layer comprising microparticles of a therapeutic agent disposed on and complexed with the hydrophilic polymeric base layer are also disclosed.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: April 15, 2014
    Assignee: Covalon Technologies
    Inventors: Vyacheslav Dudnyk, Valerio DiTizio
  • Patent number: 8697105
    Abstract: The invention provides an injectable formulation that includes an active agent; a biocompatible solvent system, crosslinkable polymers such as polysaccharides; and crosslinking agents; wherein the formulation is substantially free of water. The invention also provides a drug delivery depot formed from the injectable formulation wherein the polymers crosslink in the presence of water in the body of a patient, or in the air, prior to implantation in the patient. Also provided are methods of treatment using such formulations and drug delivery systems.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: April 15, 2014
    Assignee: SurModics, Inc.
    Inventor: Joram Slager
  • Patent number: 8697127
    Abstract: The present invention relates to a method for preparing microspheres and microspheres prepared thereby, more particularly to a method for preparing a polymeric microsphere, including preparing an emulsion including a polymer compound, a drug, a water-insoluble organic solvent and a dispersion solvent and adding to the prepared emulsion a base or an acid to remove the water-insoluble organic solvent from the emulsion, a polymeric microsphere prepared thereby, and a composition for drug delivery including the microsphere. According to the present invention, a drug-containing polymer microsphere may be prepared quickly and simply without the solvent evaporation or solvent extraction process, thereby reducing water consumption and minimizing wastewater generation.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: April 15, 2014
    Assignees: Ewha University-Industry Collaboration Foundation, SK Chemicals Co., Ltd.
    Inventor: Hong Kee Sah
  • Patent number: 8696760
    Abstract: Biocompatible synthetic or natural scaffolds are provided for the reconstruction, repair, augmentation or replacement of organs or tissue structures in a patient in need of such treatment. The scaffolds are shaped to conform to at least a part of the organ or tissue structure and may be seeded with one or more cell populations. Inserts, receptacles and ports are also provided for the attachment of tubular vessels to the neo-organ scaffolds. The seeded scaffolds are implanted into the patient at the site in need of treatment to form an organized organ or tissue structure. The scaffolds may be used to form organs or tissues, such as bladders, urethras, valves, and blood vessels.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: April 15, 2014
    Assignee: Tengion, Inc.
    Inventors: Timothy A. Bertram, Andrew Bruce, Deepak Jain, Manuel J. Jayo, John W. Ludlow, Darell McCoy, Richard Payne, Namrata D. Sangha, Oluwatoyin A. Knight
  • Publication number: 20140099370
    Abstract: The present invention relates to biodegradable polymers (e.g., polyesters and polyester amides) derived from functionalized biologically active compounds that can provide site specific delivery of bioactive compounds upon biodegradation in a controlled manner.
    Type: Application
    Filed: September 24, 2013
    Publication date: April 10, 2014
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S Bezwada
  • Patent number: 8691278
    Abstract: Provided are bioerodible compositions that can be implanted into cavities or mammalian tissue as a liquid or semi-liquid and which solidify upon exposure of the body temperature of the mammal. The implants erode over a prescribed period of time and elute a drug. The implants also form a seal with the skin or mucosa surrounding the cavity to prevent the entry of bacterial pathogens.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: April 8, 2014
    Assignee: Trilogic Pharma LLC
    Inventors: Hemant H. Alur, James A. H. Harwick, Pravakar Mondal, Thomas P. Johnston
  • Patent number: 8691203
    Abstract: The present inventions in various aspects provide elastic biodegradable polymers. In various embodiments, the polymers are formed by the reaction of a multifunctional alcohol or ether and a difunctional or higher order acid to form a pre-polymer, which is cross-linked to form the elastic biodegradable polymer. In preferred embodiments, the cross-linking is performed by functionalization of one or more OR groups on the pre-polymer backbone with vinyl, followed by photopolymerization to form the elastic biodegradable polymer composition or material. Preferably, acrylate is used to add one or more vinyls to the backbone of the pre-polymer to form an acrylated pre-polymer. In various embodiments, acrylated pre-polymers are co-polymerized with one or more acrylated co-polymers.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: April 8, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: Christopher J. Bettinger, Joost P. Bruggeman, Lino Da Silva Ferreira, Jeffrey M. Karp, Robert S. Langer, Christiaan Nijst, Andreas Zumbuehl, Jason Burdick, Sonia J. Kim
  • Patent number: 8691878
    Abstract: A solid pharmaceutical dosage form providing improved oral bioavailability is disclosed for inhibitors of HIV protease. In particular, the dosage form comprises a solid dispersion of at least one HIV protease inhibitor and at least one pharmaceutically acceptable water-soluble polymer and at least one pharmaceutically acceptable surfactant, said pharmaceutically acceptable water-soluble polymer having a Tg of at least about 50° C. Preferably, the pharmaceutically acceptable surfactant has an HLB value of from about 4 to about 10.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: April 8, 2014
    Assignee: AbbVie Inc.
    Inventors: Jeorg Rosenberg, Ulrich Reinhold, Bernd Liepold, Gunther Berndl, Joerg Breitenbach, Laman Alani, Soumojeet Ghosh
  • Publication number: 20140093569
    Abstract: A pharmaceutical composition for controlled release of an active substance is provided. The active substance is released into an aqueous medium by erosion of at least one surface of the composition. The composition comprises i) a matrix comprising a) polymer or a mixture of polymers, b) an active substance and, optionally, c) one or more pharmaceutically acceptable excipients, and ii) a coating.
    Type: Application
    Filed: August 23, 2013
    Publication date: April 3, 2014
    Applicant: EGALET LTD.
    Inventors: Gina Fischer, Daniel Bar-Shalom, Lillian Slot, Christine Andersen
  • Patent number: 8679523
    Abstract: The present invention comprises methods and compositions for delivery devices. More particularly, the present invention comprises methods and compositions for devices comprising a matrix comprising a polymer network and a non-gellable polysaccharide having oxygen and optionally active agents incorporated therein. The matrix may be formed into any desired shape for treatment of compromised tissue or for delivery of oxygen to a localized environment.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: March 25, 2014
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Bruce L. Gibbins, Lance D. Hopman