Lipid Particle Patents (Class 977/797)
  • Patent number: 11478897
    Abstract: A blasting processing method using shot media. A particle diameter distribution of the shot media before forming an operating mix is bimodal and substantially continuous, and both a first particle group corresponding to a first peak and a second particle group corresponding to a second peak are aggregates of particles in a shape having an angular part.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: October 25, 2022
    Assignee: SINTOKOGIO, LTD.
    Inventors: Hayato Taniguchi, Yuto Kato
  • Patent number: 8753541
    Abstract: The molecule is prepared by capping phospholipid on a single gold nanoparticle (GNP). Since the thiol-related molecule bounded on GNP shows the characteristic of surface-enhanced Raman scattering (SERS), the phospholipid-capped gold nanoparticle (PLGNP) can be formed as a nanoprobe applied on the detection device integrating optics and chemistry and used in the fields of biomedicine, medical diagnosis and environment for detecting, such as solutions containing salts or proteins.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: June 17, 2014
    Assignee: National Tsing Hua University
    Inventors: Ja-An Ho, Si-Han Chen
  • Patent number: 8715736
    Abstract: Methods and formulations for treating a condition of the skin by delivering therapeutic formulations to the skin that translocates active substances across the stratum corneum barrier to a targeted skin tissue. The methods and formulations comprise active substances encapsulated within surface modified nanostructured lipid carrier nanoparticles.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: May 6, 2014
    Assignee: Florida Agricultural and Mechanical University
    Inventors: Mandip Singh Sachdeva, Ram Patlolla
  • Patent number: 8709379
    Abstract: Formulations of neutral retinoids, in particular fenretinide (HPR) in the form of lipid nanoparticles, solid dispersions and emulsions are disclosed. These compositions are used to treat diseases that are amenable to treatment by HPR, such as neoplastic diseases by achieving higher and more prolonged concentrations of HPR in the subject. The key steps for preparing lipid nanovesicles of HPR include mixing and sonication, sterile filtration, without or without lyophilization for long-term stable storage, and employ processes and materials that are scalable from the laboratory to the manufacturing level. The formulation are suitable for injection into human or animal patients without causing allergic or hypersensitivity responses by avoiding chemical surfactants and animal sources of phospholipids in their manufacture.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: April 29, 2014
    Assignee: Scitech Development, LLC
    Inventors: Ralph E. Parchment, Bhaskara R. Jasti, Ramesh R. Boinpally, Stephen E. Rose, Earle T. Holsapple
  • Patent number: 8652487
    Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising B cell and/or MHC Class II-restricted epitopes and immunosuppressants in order to generate tolerogenic immune responses, such as the generation of antigen-specific regulatory B cells.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 18, 2014
    Assignee: Selecta Biosciences, Inc.
    Inventor: Roberto A. Maldonado
  • Patent number: 8623414
    Abstract: A composition comprising a lipid and copolymer of styrene and maleic acid, wherein the copolymer of styrene and maleic acid is non-alternating, and wherein the polymer and lipid are in the form of macromolecular assemblies.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: January 7, 2014
    Assignee: Malvren Cosmeceutics Limited
    Inventor: Stephen Tonge
  • Patent number: 8597678
    Abstract: Nanolipidic Particles (NLPs) having average mean diameters of 1 nm to 20 nm are made from a precursor solution. NLPs can be loaded with a desired passenger molecule. Assemblies of these particles, called NLP assemblies, result in a vehicle population of a desired size. Single application or multifunction NLP assemblies are made from the loaded NLPs and range in size from about 30 to about 200 nm. A method of using preloaded NLPs to make larger carrier vehicles or a mixed population provides increased encapsulation efficiency. NLPs have application in the cosmetics, pharmaceutical, and food and beverage industries.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: December 3, 2013
    Assignee: Dermazone Solutions, Inc.
    Inventor: Michael W. Fountain
  • Patent number: 8491928
    Abstract: Compositions and nanoemulsions containing lipid nanocapsules dispersed in a hydrophilic phase, such nanocapsules including at least one avermectin compound, are useful for the treatment of dermatological pathologies, e.g., rosacea.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: July 23, 2013
    Assignee: Galderma S.A.
    Inventors: Claire Mallard, Lara Baudonnet
  • Patent number: 8481691
    Abstract: The present invention relates to a method for selectively extracting membrane proteins using at least one calixarene of formula (I). The use of calixarenes in the method according to the invention enables the selective solubilization of the membrane proteins while preserving the three-dimensional structure that is essential to the enzymatic activity thereof.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: July 9, 2013
    Assignees: Centre National de la Recherche Scientifique—CNRS, Universite Claude Bernard de Lyon 1
    Inventors: Anthony W. Coleman, Cyrille Mbemba, Pierre Falson, Rima Matar, Frederic Huche
  • Patent number: 8466122
    Abstract: The present invention provides compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel cationic lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo. The compositions of the present invention are highly potent, thereby allowing effective knock-down of a specific target protein at relatively low doses. In addition, the compositions and methods of the present invention are less toxic and provide a greater therapeutic index compared to compositions and methods previously known in the art.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: June 18, 2013
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: James Heyes, Mark Wood, Alan Martin
  • Publication number: 20130121917
    Abstract: The present invention provides a conjugate having a peptide with from about 10 to about 100 amino acids, wherein the peptide adopts a helical structure. The conjugate also includes a first polymer covalently linked to the peptide, and a hydrophobic moiety covalently linked to the N-terminus of the peptide, wherein the hydrophobic moiety comprises a second polymer or a lipid moiety. The present invention also provides helix bundles form by self-assembling the conjugates, and particles formed by self-assembling the helix bundles. Methods of preparing the helix bundles and particles are also provided.
    Type: Application
    Filed: September 11, 2012
    Publication date: May 16, 2013
    Applicant: Lawrence Berkeley National Laboratory
    Inventors: Ting Xu, He Dong, Jessica Shu
  • Publication number: 20130102993
    Abstract: A liposome including an elastin-like polypeptide (ELP) and a tumor cell targeting material, a pharmaceutical composition including the liposome, and a method of delivering an active agent to a target site using the liposome.
    Type: Application
    Filed: September 10, 2012
    Publication date: April 25, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Sang KIM, Hyun Ryoung KIM, Jae Chan PARK, Su Young CHAE, Sang Joon PARK
  • Publication number: 20130102898
    Abstract: A liposome comprising elastin-like polypeptides, a pharmaceutical composition comprising the liposome, and a method of delivering active agents to a target site using the liposome.
    Type: Application
    Filed: October 19, 2012
    Publication date: April 25, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Samsung Electronics Co., Ltd.
  • Patent number: 8410260
    Abstract: Novel double-stranded RNA oligonucleotides are useful for decreasing tyrosinase expression, have cosmetic and/or pharmaceutical applications, for example are useful skin depigmenting or anti-browning agents, and can be associated with cationic particles less than or equal to 1 ?m in size, having a zeta potential of from 10 to 80 mV.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: April 2, 2013
    Assignee: L'Oreal
    Inventors: Christine Collin-Djangone, Jean-Thierry Simonnet
  • Publication number: 20130059009
    Abstract: Disclosed are antigen-specific induced tolerogenic dendritic cells (itDCs) that are produced from combining itDCs with antigen in particulate form, as well as related compositions and methods.
    Type: Application
    Filed: April 27, 2012
    Publication date: March 7, 2013
    Applicant: Selecta Biosciences, Inc.
    Inventors: Takashi Kei Kishimoto, Roberto A. Maldonado, Christopher Fraser, David H. Altreuter
  • Publication number: 20130039974
    Abstract: The present invention is directed to antibodies binding to the MUC1 cytoplasmic domain and methods of using such antibodies to treat, diagnose, detect and monitor cancers that express the MUC1 antigen.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 14, 2013
    Inventors: Donald W. Kufe, Surender Kharbanda
  • Publication number: 20130034612
    Abstract: Compositions and nanoemulsions containing lipid nanocapsules dispersed in a hydrophilic phase, such nanocapsules including at least one avermectin compound, are useful for the treatment of dermatological pathologies, e.g., rosacea.
    Type: Application
    Filed: October 9, 2012
    Publication date: February 7, 2013
    Applicant: GALDERMA S.A.
    Inventor: Galderma S.A.
  • Publication number: 20130028959
    Abstract: Formulations for preventing the sexual transmission of the HIV virus are provided. In one embodiment, the formulations contain un-conjugated liposomes whose physicochemical properties allow binding to the HIV virus. The liposomes are made up of natural or synthetic lipids, alone or in combination. Preferably, the liposomes are made entirely of cardiolipin. In other embodiments the liposomes are modified to contain Hgands which bind HIV. The method for preventing the sexual transmission of the HIV virus includes self-administration of a formulation containing an effective amount of liposomes which bind to the HIV virus to the surface of a mucosal membrane prior to intercourse.
    Type: Application
    Filed: December 16, 2010
    Publication date: January 31, 2013
    Applicants: Massachusetts Institute of Technology, Children's Medical Center Corporation
    Inventors: Nikita Kiran Malavia, Daniel S. Kohane
  • Publication number: 20130004523
    Abstract: Various embodiments of the present invention pertain to therapeutic compositions that comprise: (1) an active agent (e.g., paclitaxel); and (2) a nanoparticle (e.g., gold nanoparticle). In such embodiments, the active agent is covalently linked to the nanoparticle through a cleavable linker (e.g., a linker containing a hydrazone species). Other embodiments of the present invention pertain to methods of treating a condition in a subject by administering the above-described therapeutic compositions to the subject.
    Type: Application
    Filed: December 9, 2010
    Publication date: January 3, 2013
    Applicant: William Marsh Rice University
    Inventors: Eugene Zubarev, Jacob Gibson
  • Publication number: 20120321683
    Abstract: The aim of the invention is to preserve the morphology of bicelles in high-water-content environments. For this purpose, the invention relates to a liposome comprising, in its internal aqueous medium, at least one bicelle. The bicelles concentration in said aqueous means is between 5 and 25% dry weight in relation to the end liposome. The invention also relates to the use of said liposomes for the encapsulation of active principles, as well as to the use thereof as a medicament or to produce a cosmetic product. The invention further relates to the method for obtaining said liposomes.
    Type: Application
    Filed: February 28, 2011
    Publication date: December 20, 2012
    Inventors: Alfons De La Maza Rivera, Lucyana Barbosa, Olga López Serrano, Mercedes Cocera Núñez, Gelen Rodríguez Delgado, Laia Rubio Toledano, Ana María Planas Obradors, Guadalupe Soria Rodríguez
  • Patent number: 8323696
    Abstract: Nanoparticles that activate complement in the absence of biological molecules are described. The nanoparticles are shown to specifically target antigen presenting cells in specifically in lymph nodes, without the use of a biological molecule for targeting. These particles are useful vehicles for delivering immunotherapeutics. Surface chemistries and chemical formulations for the nanoparticles are described.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: December 4, 2012
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Jeffrey A. Hubbell, Conlin P. O'Neil, Sai T. Reddy, Melody A. Swartz, Diana Velluto, André van der Vlies, Eleonora Simeoni
  • Publication number: 20120294888
    Abstract: Disclosed are synthetic nanocarrier compositions, and related methods, comprising immunosuppressants and MHC Class II-restricted epitopes of an allergen that provide tolerogenic immune responses specific to the allergen.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 22, 2012
    Applicant: Selecta Biosciences, Inc.
    Inventors: Takashi Kei Kishimoto, Christopher Fraser, Roberto A. Maldonado
  • Patent number: 8303992
    Abstract: A method of producing a dried formulation for an active substance such as a drug compound is described. The method involves dispersing a discontinuous phase (e.g. an oil-based or lipidic medium) comprising the active substance into a continuous phase (e.g. water) so as to form a two-phase liquid system comprising droplets of said discontinuous phase, allowing nanoparticles to congregate at the phase interface at the surface of the droplets such that at least one layer of nanoparticles coat the droplets and thereby provide sufficient structural integrity to the droplets to enable the subsequent removal of the continuous phase, and thereafter removing the continuous phase from the nanoparticle-coated droplets to produce a dried formulation.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: November 6, 2012
    Assignee: University of South Australia
    Inventors: Clive Allan Prestidge, Spomenka Simovic
  • Publication number: 20120276159
    Abstract: This invention relates, at least in part, to compositions comprising synthetic nanocarriers and immunosuppressants that result in immune suppressive effects. Such compositions can further comprise antigen and provide antigen-specific tolerogenic immune responses.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: Selecta Biosciences, Inc.
    Inventors: Christopher Fraser, Grayson B. Lipford, Christopher J. Roy, Roberto A. Maldonado
  • Publication number: 20120276160
    Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising administering B cell and/or MHC Class II-restricted epitopes of an antigen and immunosuppressants in order to reduce antigen-specific activation of innate immune cells.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: Selecta Biosciences, Inc.
    Inventor: Roberto A. Maldonado
  • Publication number: 20120276158
    Abstract: Disclosed are synthetic nanocarrier compositions, and related methods, comprising MHC Class I-restricted and/or MHC Class II-restricted epitopes associated with undesired CD8+ T cell responses and immunosuppressants that provide tolerogenic immune responses against antigens that comprise the epitopes.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: Selecta Biosciences, Inc.
    Inventors: Christopher Fraser, Takashi Kei Kishimoto, Roberto A. Maldonado
  • Publication number: 20120276133
    Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising B cell and/or MHC Class II-restricted epitopes and immunosuppressants in order to generate tolerogenic immune responses, such as the generation of antigen-specific regulatory B cells.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: Selecta Biosciences, Inc.
    Inventor: Roberto A. Maldonado
  • Patent number: 8283333
    Abstract: The present invention provides novel, serum-stable lipid particles comprising one or more active agents or therapeutic agents, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles. More particularly, the present invention provides serum-stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (e.g., one or more interfering RNA molecules), methods of making the SNALP, and methods of delivering and/or administering the SNALP (e.g., for the treatment of cancer). In particular embodiments, the present invention provides tumor-directed lipid particles that preferentially target solid tumors. The tumor-directed formulations of the present invention are capable of preferentially delivering a payload such as a nucleic acid to cells of solid tumors compared to non-cancerous cells.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: October 9, 2012
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
  • Publication number: 20120195940
    Abstract: Nanolipidic Particles (NLPs) having average mean diameters of 1 nm to 20 nm are made from a precursor solution. NLPs can be loaded with a desired passenger molecule. Assemblies of these particles, called NLP assemblies, result in a vehicle population of a desired size. Single application or multifunction NLP assemblies are made from the loaded NLPs and range in size from about 30 to about 200 nm. A method of using preloaded NLPs to make larger carrier vehicles or a mixed population provides increased encapsulation efficiency. NLPs have application in the cosmetics, pharmaceutical, and food and beverage industries.
    Type: Application
    Filed: April 10, 2012
    Publication date: August 2, 2012
    Applicant: DERMAZONE SOLUTIONS INC.
    Inventor: Michael W. Fountain
  • Publication number: 20120189677
    Abstract: A formulation comprising botulinum toxin (BT), lipid and surfactant, characterised in that the lipid and surfactant are in the form of macromolecular assemblies of less than 100 nm in diameter. The surfactant may have an HLB number of less than 20.
    Type: Application
    Filed: January 20, 2012
    Publication date: July 26, 2012
    Inventors: Stephen TONGE, Andrew HARPER
  • Publication number: 20120164189
    Abstract: This invention provides a method for inducing immune tolerance toward an antigen comprising the antigen in lipidic particles or lipidic compositions. The lipidic particles are made up of phosphatidylserine and phosphatidylcholine, or phosphatidylinositol and phosphatidylcholine. The lipidic compositions comprise the antigen and O-phospho-L-serine. Administration of these composition results in inducing immune tolerance to the antigen.
    Type: Application
    Filed: July 7, 2010
    Publication date: June 28, 2012
    Inventors: Sathy V. Balu-Iyer, Puneet Rajeev Gaitonde, Richard Bankert
  • Publication number: 20120121689
    Abstract: A liposomal siRNA composition is described. The liposomes are formed of neutral liposome forming components, and the composition comprising additionally sugar. The composition provides reduced expression of target gene, without causing systemic toxicity. The composition is produced by a dehydration-rehydration technique to provide high yields and good control of liposome size.
    Type: Application
    Filed: November 9, 2009
    Publication date: May 17, 2012
    Applicant: Lipoxen Technologies Limited
    Inventors: Andrew David Bacon, Peter Laing, Gregory Gregoriadis
  • Publication number: 20120121670
    Abstract: The present invention relates to a system for administering active ingredients comprising nanocapsules with a diameter less than 1 ?m comprising a polyarginine salt, a negative phospholipid and an oil. The invention also relates to methods for obtaining said nanocapsule system, the pharmaceutical and cosmetic compositions thereof, as well as the use thereof in medicine, particularly in the preparation of a drug for treating cancer.
    Type: Application
    Filed: April 22, 2010
    Publication date: May 17, 2012
    Inventors: Victoria Lozano López, José Alonso Fernández, Dolores Torres López
  • Publication number: 20120093718
    Abstract: Formulations of neutral retinoids, in particular fenretinide (HPR) in the form of lipid nanoparticles, solid dipersions and emulsions are disclosed. These compositions are used to treat diseases that are amenable to treatment by HPR, such as neoplastic diseases by achieving higher and more prolonged concentrations of HPR in the subject. The key steps for preparing lipid nanovesicles of HPR include mixing and sonication, sterile filtration, without or without lyophilization for long-term stable storage, and employ processes and materials that are scalable from the laboratory to the manufacturing level. The formulation are suitable for injection into human or animal patients without causing allergic or hypersensitivity responses by avoiding chemical surfactants and animal sources of phospholipids in their manufacture.
    Type: Application
    Filed: March 29, 2007
    Publication date: April 19, 2012
    Applicants: SCITECH DEVELOPMENT, LLC, WAYNE STATE UNIVERSITY
    Inventors: Ralph E. Parchment, Bhaskara R. Jasti, Ramesh R. Boinpally, Stephen E. Rose, Earle T. Holsapple
  • Publication number: 20120082616
    Abstract: The present invention provides targeted delivery compositions and their methods of use in treating and diagnosing a disease state in a subject.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 5, 2012
    Applicant: Mallinckrodt LLC
    Inventors: Bobby N. Trawick, Todd A. Osiek, James R. Wheatley, JR.
  • Publication number: 20120070498
    Abstract: The present invention is concerned with the formation of submicron particles of an antineoplastic agent, particularly paclitaxel, by precipitating the antineoplastic agent in an aqueous medium to form a pre-suspension followed by homogenization. Surfactants with phospholipids conjugated with a water soluble or hydrophilic polymer such as PEG are used as coating for the particles. The particles produced generally have an average particle size of less than about 1000 nm and are not rapidly soluble.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 22, 2012
    Applicants: Baxter Healthcare S.A., BAXTER INTERNATIONAL INC.
    Inventors: Mahesh V. Chaubal, Jane Werling, Barrett Rabinow
  • Publication number: 20120058153
    Abstract: This invention relates to compositions and methods that can be used immunize a subject against influenza. Generally, the compositions and methods include polypeptides obtained or derived from human influenza A virus hemagglutinin.
    Type: Application
    Filed: August 19, 2011
    Publication date: March 8, 2012
    Applicant: Selecta Biosciences, Inc.
    Inventors: Petr Ilyinskii, Yun Gao, Grayson B. Lipford
  • Publication number: 20120052099
    Abstract: The invention relates to the fields of medicine and pharmacology and concerns a storage-stable composition made up of nanoparticles which are based on vegetable phospholipids and contain the antiviral drug Arbidol. The aim of the present invention is to develop a non-fatty phospholipid composition of Arbidol in which the micellar and liposomal particles have an average diameter of 8-25 nm, and which has low toxicity, can be stored for long periods and is capable of transporting the medicinal agent in the body and ensuring the high bioaccessibility of the agent. This aim is achieved by a phospholipid composition of Arbidol in the form of phospholipid nanoparticles with a size of 8-25 nm, which contains phosphatidylcholine, maltose and Arbidol in the following component ratio: 20-43 mass % phosphatidylcholine; 55-78 mass % maltose; 2-8 mass % Arbidol.
    Type: Application
    Filed: April 7, 2010
    Publication date: March 1, 2012
    Inventors: Alexandr Ivanovich Archakov, Mariya Kirillovna Guseva, Vasily Fedorovich Uchaykin, Olga Mikhaylovna Ipatova, Yury Fedorovich Dochshitsin, Yelena Georgiyevna Tikhonova, Natalya Velorikovna Medvedeva, Vladimir Nikolayevich Prozorovsky, Oksana Sergeevna Strekalova, Alexandr Vladimirovich Shironin
  • Publication number: 20120034294
    Abstract: Liposomes of constrained particle size are prepared by substantially continuously mixing substantially continuously flowing streams of water, and of an organic solvent contain lipid(s) capable of forming liposomes, and cooling the mixture so liposomes form, the ratio of the flow rate of the stream of water to the flow rate of the stream of organic solvent, and the rate of cooling of said mixture, being controlled so as to obtain a preparation of liposomes such that at least about 90% of the liposomes are of a particle size less than about 200 nm.
    Type: Application
    Filed: December 17, 2009
    Publication date: February 9, 2012
    Applicant: ONCOTHYREON, INC.
    Inventors: Robert A. Dupuit, William J. Reilley
  • Publication number: 20120021044
    Abstract: The present invention provides a novel cationic lipid, a preparation method of the same and a delivery system comprising the same. The cationic lipid of the present invention is used for the preparation of delivery systems of nucleic acids or physiologically active anionic proteins. The cationic lipid of the present invention can be conveniently prepared and purified by a simple process and is therefore economically highly advantageous for industrial-scale production thereof. Further, a nucleic acid or protein delivery system comprising the cationic lipid of the present invention not only significantly improves the intracellular delivery efficiency of desired nucleic acid drugs (such as DNAs, RNAs, siRNAs, antisense oligonucleotides, and nucleic acid aptamers) or anionic proteins having physiological activity, but also is usefully used to augment therapeutic efficacy of nucleic acid or protein drugs due to attenuated cytotoxicity of the delivery system.
    Type: Application
    Filed: August 20, 2008
    Publication date: January 26, 2012
    Applicants: SNU R&DB FOUNDATION, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Yu-Kyoung Oh, Min-Sung Suh, Hye-Jeong Shin, Ga Yong Shim
  • Publication number: 20110311442
    Abstract: A lipid vesicle comprising a phospholipid which is a stable vesicle former and at least one unstable vesicle forming member, wherein the unstable vesicle forming member is selected from the group consisting of a polar lipid which is not a stable vesicle former, a PEG, a raft former and a fusion protein is provided. The vesicle can further comprise a biomolecule, such as for example ATP. Methods of using the vesicle for delivery of biomolecules are also provided.
    Type: Application
    Filed: June 17, 2011
    Publication date: December 22, 2011
    Applicant: UNIVERSITY OF LOUISVILLE RESEARCH FOUNDATION, INC.
    Inventors: William D. Ehringer, Sufan Chien
  • Publication number: 20110305769
    Abstract: The present invention is directed to cationic lipid for the delivery of oligonucleotides and methods of modulating an expression of a targeted gene using the nanoparticle compositions. In particular, the invention relates to cholesterol and its derivatives having multiple positively charged moieties via branching spacers, and nanoparticle compositions of oligonucleotides encapsulated in a mixture of a cationic lipid, a fusogenic lipid and a PEG lipid.
    Type: Application
    Filed: July 31, 2009
    Publication date: December 15, 2011
    Applicant: ENZON PHARMACEUTICALS, INC.
    Inventors: Hong Zhao, Weili Yan, Lianjun Shi, Dechun Wu
  • Patent number: 8067011
    Abstract: The present invention provides a targeted multi-layered drug delivery system for the delivery of cytotoxic agents to B-cells.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: November 29, 2011
    Assignee: Chimeros, Inc.
    Inventors: Claude Geoffrey Davis, Miguel A. de los Rios, Kenneth J. Oh, Timothy L. Bullock, Patrick T. Johnson, Jacek Ostrowski
  • Publication number: 20110269731
    Abstract: The present invention relates to a complex made up of at least one beta-lactam molecule covalently bonded to at least one hydrocarbon radical including at least 18 carbon atoms and containing at least one unit of 2-methyl-buta-2-ene, to nanoparticles of said complexes, and to a method for preparing same, said complex and/or said nanoparticles optionally being in the form of a lyophilisate. The present invention also relates to a pharmaceutical composition including at least said complex and/or said nanoparticles. The invention finally relates to said complex and/or to said nanoparticles for the treatment and/or prevention of bacterial infections, in particular caused by strains that are sensitive to beta-lactams.
    Type: Application
    Filed: October 28, 2009
    Publication date: November 3, 2011
    Inventors: Patrick Couvreur, Didier Demaele, Fatima Zouhiri
  • Publication number: 20110269830
    Abstract: The present invention relates to a complex made up of at least one molecule of statin or a derivative thereof, covalently bonded to at least one hydrocarbon radical including at least 18 carbon atoms and containing at least one 2-methyl-buta-2-ene unit, to nanoparticles of such a complex, and to a method for preparing same, said complex and/or said nanoparticles optionally being in the form of a lyophilisate. The present invention also relates to a pharmaceutical composition including at least one complex and/or nanoparticles such as previously defined. The invention finally relates to said complex and/or to said nanoparticles for the treatment and/or prevention of hyperlipemia and hypercholesterolemia.
    Type: Application
    Filed: October 28, 2009
    Publication date: November 3, 2011
    Inventors: Patrick Couvreur, Didier Desmaele, Fat'ma Zouhiri, Reddy Harivardhan Lakkireddy
  • Publication number: 20110236957
    Abstract: Compositions and methods for labeling biological targets using a conjugate of a luminescent component and a targeting molecule attached to a nanoparticle core structure are described. The labeling conjugates offer high intensity and low background, and are ideal for histology and pathology.
    Type: Application
    Filed: October 2, 2009
    Publication date: September 29, 2011
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventor: Kevin C. Weng
  • Publication number: 20110229581
    Abstract: The present invention is directed to releasable cationic lipids and nanoparticle compositions for the delivery of nucleic acids and methods of modulating an expression of a target gene using the same. In particular, the invention relates to cationic lipids including an acid labile linker, and nanoparticle compositions containing the same.
    Type: Application
    Filed: November 17, 2009
    Publication date: September 22, 2011
    Applicant: ENZON PHARMACEUTICALS, INC.
    Inventors: Hong Zhao, Weili Yan, Lianjun Shi, Dechun Wu, Maksim Royzen
  • Publication number: 20110182973
    Abstract: The invention relates to polymerase inhibitors, particularly polymerase alpha inhibitors, and the use thereof in the treatment of cell growth disorders, particularly tumor disorders, preferably actinic keratoses, basal cell carcinomas, and/or spinocellular carcinomas.
    Type: Application
    Filed: May 13, 2008
    Publication date: July 28, 2011
    Applicants: FREIE UNIVERSITAET BERLIN, HEINRICH-HEINE-UNIVERSITAET DUESSELDORF
    Inventors: Monika Schaefer-Korting, Hans-Dieter Hoeltje
  • Patent number: 7964196
    Abstract: A self-assembling nanoparticle drug delivery system for the delivery of drugs including peptides, proteins, nucleic acids or synthetic chemical drugs is provided. The self-assembling nanoparticle drug delivery system described herein includes viral capsid proteins, such as Hepatitis B Virus core protein, encapsulating the drug, a lipid bi-layer envelope and targeting or facilitating molecules anchored in the lipid bilayer. A method for construction of the self-assembling nanocparticle drug delivery system is also provided.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: June 21, 2011
    Assignee: Chimeros, Inc.
    Inventors: Miguel de los Rios, Kenneth J. Oh
  • Publication number: 20110144314
    Abstract: The present invention relates to a method for selectively extracting membrane proteins using at least one calixarene of formula (I). The use of calixarenes in the method according to the invention enables the selective solubilization of the membrane proteins while preserving the three-dimensional structure that is essential to the enzymatic activity thereof.
    Type: Application
    Filed: May 28, 2009
    Publication date: June 16, 2011
    Applicants: Centre National De La Recherche Scientifique CNRS, Universite Claude Bernard De Lyon 1
    Inventors: Anthony William Coleman, Cyrille Mbemba, Pierre Falson, Rima Matar, Frédéric Huché