Solid Synthetic Organic Polymer Patents (Class 514/772.3)
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Patent number: 12195458Abstract: The present invention relates to compounds of formula (I) that function as inhibitors of METTL3 (N6-adenosine-methyltransferase 70 kDa subunit) enzyme activity: X—Y—Z?? (I) wherein X, Y and Z are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, and autoimmune diseases, as well as other diseases or conditions in which METTL3 activity is implicated.Type: GrantFiled: December 1, 2020Date of Patent: January 14, 2025Assignee: Storm Therapeutics LimitedInventors: Wesley Peter Blackaby, Elizabeth Jane Thomas, David James Hardick, Jon Shepherd, Frederick Arthur Brookfield, Christian Bubert, Mark Peter Ridgill
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Patent number: 12178913Abstract: The invention provides particles, compositions including the particles, and methods of making the particles using electrospray. In certain embodiments, the particles allow for high concentrations of a therapeutic or diagnostic agent to be delivered at low viscosity. Particles may also exhibit beneficial properties with respect to stability.Type: GrantFiled: April 18, 2023Date of Patent: December 31, 2024Assignee: Elektrofi, Inc.Inventors: Chase Coffman, Lyndon Charles, Paul Brown, Daniel Benjamin Dadon, Lisa Liu, Cory Robinson
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Patent number: 12129324Abstract: Methods for using a copolymer, especially as a dispersant for solid particles, in particular as a dispersant for mineral binder compositions, where the copolymer is obtained from ionizable monomers m1 and side chain-bearing monomers m2 that are polymerized by nitroxide-mediated solution polymerization to give the copolymer, wherein the polymerization is conducted in the presence of an agent including a carboxyl group-bearing and phosphated alkoxy amine.Type: GrantFiled: May 10, 2021Date of Patent: October 29, 2024Assignee: SIKA TECHNOLOGY AGInventors: Jürg Weidmann, Fabia Ulber, Jörg Zimmermann
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Patent number: 12121560Abstract: A liquid ink composition includes a liquid phase and particles suspended in the liquid phase, the particles containing a target pharmaceutical or biological agent. The biological activity of the target pharmaceutical or biological agent is preserved upon suspension of the particles in the liquid phase. The liquid phase is capable of solidifying via a solidification process.Type: GrantFiled: November 9, 2021Date of Patent: October 22, 2024Assignee: TissueGen, Inc.Inventors: Paul R. Sood, Alpeshkumar P. Patel, Jennifer Seifert, Ryszard Zarzycki
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Patent number: 12097283Abstract: Disclosed herein is a method for alleviating dry eye syndrome using a composition containing a polylysine nanoparticle. The polylysine nanoparticle is produced by subjecting lysine hydrochloride to a pyrolysis treatment at a temperature ranging from 240° C. to 280° C.Type: GrantFiled: September 19, 2022Date of Patent: September 24, 2024Assignees: Chang Gung University, Giant Bio Technology Inc.Inventors: Jui-Yang Lai, Chih-Ching Huang, Han-Jia Lin, Hong-Jyuan Jian
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Patent number: 11975053Abstract: Disclosed is a wound treatment that includes collagen and a gelatin-reducing agent. Also disclosed is a wound dressing including a substrate, collagen, and a gelatin-reducing agent. The collagen and gelatin-reducing agent may be present in any suitable a weight ratio relative to one another, such as a weight ratio of about 0.25:1 to about 4:1 with respect to one another. Also disclosed is a method for promoting wound healing including administering collagen and a gelatin-reducing agent to a wound in need of treatment.Type: GrantFiled: July 27, 2022Date of Patent: May 7, 2024Assignee: Medline Industries, LPInventors: Debashish Chakravarthy, Brian Mattorano, Anthony Frei
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Patent number: 11952511Abstract: An aqueous coating composition may include an aqueous carrier liquid; xanthan gum in an amount between about 0.05 wt. % and 0.5 wt. % of the aqueous coating composition; and a secondary rheology agent comprising at least one of a waterborne clay, a hydrophobically modified alkaline swellable emulsion, a hydrophobically enhanced urethane, a polyether polyol, or a hydrophobically modified ethoxylated aminoplast.Type: GrantFiled: March 13, 2020Date of Patent: April 9, 2024Assignee: SWIMC LLCInventors: Randy Chamberlain, Rachael Ilic, Isaac Quinones, Zhiwei Xie
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Patent number: 11904070Abstract: The invention relates to a scaffold material composition for forming a solid tissue scaffold, the composition comprising a plurality of hollow polymer pellets, each pellet comprising an open hollow extending through the pellet, and wherein the plurality of hollow polymer pellets are capable of interlinking and setting into a solid scaffold. The invention further relates to associated compositions, uses, method of treatment and kits associated with such material.Type: GrantFiled: February 12, 2018Date of Patent: February 20, 2024Assignee: LOCATE THEAPEUTICS LIMITEDInventors: Antonio Leonardi, Helen Celia Cox, Robin Andrew Quirk, Kevin Morris Shakesheff
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Patent number: 11872325Abstract: Embodiments of the invention include lubricious medical device coatings. In an embodiment the invention includes a coating for a medical device including a first layer comprising polyvinylpyrrolidone derivatized with a photoreactive group; and a first cross-linking agent comprising at least two photoreactive groups; a second layer disposed on the first layer comprising polyvinylpyrrolidone derivatized with a photoreactive group; a second cross-linking agent comprising at least two photoreactive groups; and a polymer comprising polyacrylamide, the polymer derivatized with at least one photoreactive group. Other embodiments are included herein.Type: GrantFiled: January 28, 2021Date of Patent: January 16, 2024Assignee: Surmodics, Inc.Inventor: David E. Babcock
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Patent number: 11850309Abstract: Cationic polymers are provided for delivering anionic active agents, preferably in the form or nanoparticles and other nanostructures. The polymer can be a polycation homopolymer or a copolymer containing a polycation block. The polycations and polycation containing polymers can contain dicarboxylic acid ester units and units of (?-amino acid)-?,?-alkylene diester units. The nanoparticles can contain high loadings of anionic active agents, with sustained release of the active agents. Methods of making the polycations and polycation containing polymers are provided. Methods of making the nanoparticles and formulating them for administration to an individual in need thereof are also provided.Type: GrantFiled: August 24, 2020Date of Patent: December 26, 2023Assignee: THE BRIGHAM AND WOMEN'S HOSPITAL, INC.Inventors: Omid Farokhzad, Jun Wu, Lili Zhao
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Patent number: 11786448Abstract: A cosmetic composition for improved dyeing of keratin fibers is described. The composition comprises alkoxylated organopolysiloxanes and alkoxylated glyceryl esters and/or optionally alkoxylated alkyl glyceryl ethers. The composition may comprise less than 40 wt % water, or may be anhydrous. The composition may further comprise a direct dye, and may be used for bleaching, lightening, or dyeing of keratin fibers.Type: GrantFiled: October 30, 2020Date of Patent: October 17, 2023Assignee: Kao CorporationInventors: Clarissa Lipinski, Marine Delbe
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Patent number: 11737455Abstract: Reducing fines from an agricultural spray dispensed from a nozzle is provided in the disclosed methods. The agricultural spray comprises water, an agricultural composition such as a pesticide, at least one oil emulsion drift reduction adjuvant, and at least one spontaneous emulsion drift reduction adjuvant. The agricultural spray exhibits fewer fine droplets having a diameter less than about 105 ?m, about 150 ?m, and/or about 210 ?m compared to an agricultural spray neither or only one of the oil emulsion drift reduction adjuvant and the spontaneous emulsion drift reduction adjuvant.Type: GrantFiled: October 27, 2020Date of Patent: August 29, 2023Assignee: WinField Solutions, LLCInventors: Joe V. Gednalske, Jason Roth, Andrea Clark, Lillian C. Magidow
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Patent number: 11697751Abstract: The present invention provides a resin composition for an adhesive, being useful as a component of an adhesive having a favorable adhesion property to glass and giving favorable appearance after adhesion. The resin composition for an adhesive contains a polyhydroxyurethane resin. This polyhydroxyurethane resin contains a structural unit formed by polymerizing a compound (A) having at least two five-membered cyclic carbonate structures and a compound (B) having at least two primary amino groups, the polyurethane resin contains a urethane bond, a hydroxy group, and a secondary amino group in the structural unit. Further, this polyhydroxyurethane resin has an amine number of 1 to 50 mgKOH/g and has a hydroxyl number of 10 to 230 mgKOH/g.Type: GrantFiled: March 29, 2021Date of Patent: July 11, 2023Assignee: Dainchiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Kazuaki Muto, Kazuya Kimura, Kenichi Takahashi
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Patent number: 11666637Abstract: Mesoporous zirconium metal-organic frameworks (MOFs) having insulin immobilized therein and methods of using the MOFs in insulin delivery are provided. The insulin-loaded metal-organic framework molecules include a porous zirconium metal-organic framework molecule and insulin molecules within pores of the porous zirconium metal-organic framework.Type: GrantFiled: March 7, 2019Date of Patent: June 6, 2023Assignee: Northwestern UniversityInventors: Omar K. Farha, Yijing Chen, Peng Li
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Patent number: 11666522Abstract: Disclosed herein are compositions comprising complexes of cyclodextrins and lipid-modified stem cell proteins. Also disclosed are topical compositions the complexes. Methods of using the compositions for the therapeutic purposes are also disclosed as well as methods of producing the compositions.Type: GrantFiled: November 16, 2018Date of Patent: June 6, 2023Assignee: AIVITA BIOMEDICAL, INC.Inventor: Gabriel Nistor
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Patent number: 11648197Abstract: Dissolvable unit dose film constructs are made by providing a muco-adhesive composition including a muco-adhesive polymer matrix in which the muco-adhesive polymer matrix has a water-soluble polymer, water-dispersible polymer, water-swellable polymer, or combinations thereof and a liquid carrier. The method further includes drying the muco-adhesive composition to remove at least a portion of the liquid carrier, forming a muco-adhesive film substrate, forming a composition for an active layer, the composition including a polymer matrix in which the polymer matrix for the active layer composition includes a water-soluble polymer, water-dispersible polymer, water-swellable polymer, or combinations thereof, an active ingredient and a liquid carrier.Type: GrantFiled: June 26, 2019Date of Patent: May 16, 2023Assignee: ARx, LLCInventors: Scott D. Barnhart, Eric Lakatosh, William C. Baer, Abraham Anonuevo
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Patent number: 11591549Abstract: Detergent composition (F) for domestic or industrial use including, as thickener, a self-invertible inverse latex including an aqueous phase including: a) a crosslinked anionic polyelectrolyte (P) consisting of: at least one monomer unit derived from 2-methyl-2-[(1 -oxo-2-propenyl)amino]-1-propanesulfonic acid in free acid form or partially or totally salified form; —at least one monomer unit derived from at least one monomer chosen from the elements of the group consisting of acrylamide, N,N-dimethylacrylamide, ethacrylamide, N-isopropylacrylamide, N-tert-butylacrylamide; and at least one monomer unit derived from a polyethylenic crosslinking monomer (AR), b) ethylenediaminedisuccinic acid in trisodium salt form.Type: GrantFiled: December 8, 2020Date of Patent: February 28, 2023Assignee: SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPICInventors: Miruna Bodoc, Aurelie Colas
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Patent number: 11510969Abstract: Disclosed is a wound treatment that includes collagen and a gelatin-reducing agent. Also disclosed is a wound dressing including a substrate, collagen, and a gelatin-reducing agent. The collagen and gelatin-reducing agent may be present in any suitable a weight ratio relative to one another, such as a weight ratio of about 0.25:1 to about 4:1 with respect to one another. Also disclosed is a method for promoting wound healing including administering collagen and a gelatin-reducing agent to a wound in need of treatment.Type: GrantFiled: November 16, 2018Date of Patent: November 29, 2022Assignee: MEDLINE INDUSTRIES, LPInventors: Debashish Chakravarthy, Brian Mattorano, Anthony Frei
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Patent number: 11497704Abstract: The present disclosure relates to a skin film forming agent, and provides a skin film forming agent which comprises dimethiconol, hydride dimethicone and a cross-linking component, and thereby provides a skin film forming agent which has no problem of safety, and forms a film with high intensity, and thereby can solve peeling and slipping of the film and effectively improve skin disadvantages, particularly, wrinkles and elasticity.Type: GrantFiled: January 4, 2019Date of Patent: November 15, 2022Assignee: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Hyo-Jin Bong, Ki-Young Kim, Nae-Gyu Kang, No-Jin Park, Woo-Sun Shim, Hyeong-Jin Cho
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Patent number: 11446236Abstract: A method of treating a bacterial infection of a subject includes topically administering a topical composition that includes nitrofurantoin combined with a carrier. The topical composition may be administered by contacting a tissue surface of the subject to be treated with the topical composition such as skin or mucosal tissue.Type: GrantFiled: December 3, 2019Date of Patent: September 20, 2022Assignee: CMPD LICENSING, LLCInventor: Jay Richard Ray, II
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Patent number: 11344651Abstract: The inventive subject matter provides compositions and methods for transiently or permanently treating or managing an injury. Contemplated compositions are polymerizable in situ over short time periods, even in the presence of blood, without undue exothermic heat. Contemplated compositions may further comprise an anesthetic, an antiseptic, an adhesion promoter, and/or a vasoconstrictor.Type: GrantFiled: March 18, 2020Date of Patent: May 31, 2022Assignee: DIRECT COMPONENTS INC.Inventor: Shienlin Saber
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Patent number: 11241410Abstract: A method for the treatment of a coronavirus disease, including administering to a subject in need thereof of an anti-pathogenic compound, such that the anti-pathogenic compound is derived from an herbal extract.Type: GrantFiled: July 31, 2020Date of Patent: February 8, 2022Inventors: Amanuel Tesfazion, Lydia Seifu, Meried Bezuneh
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Patent number: 11224578Abstract: Provided is a molecular assembly (for example, a polymeric micelle nanoparticle) which is capable of efficiently encapsulating a fat-soluble drug. A molecular assembly comprising: an amphiphilic block polymer A1 comprising a hydrophilic block having a sarcosine unit and a hydrophobic block having a lactic acid unit; a hydrophobic polymer A2 having a lactic acid unit; a fatty acid triglyceride; and a fat-soluble drug. Examples of the fat-soluble drug include miriplatin.Type: GrantFiled: September 20, 2016Date of Patent: January 18, 2022Assignees: SHIMADZU CORPORATION, KYOTO UNIVERSITYInventors: Isao Hara, Eiichi Ozeki, Shunsaku Kimura, Takayuki Sato
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Patent number: 11123434Abstract: The invention relates to a drug delivery device adapted for carrying and delivering both hydrophilic and lipophilic drug molecules. The drug delivery device includes a porous body for adsorption of drug molecules, the body including a plurality of microspheres, and a hydrogel forming cross-links connecting the plurality of microspheres.Type: GrantFiled: July 21, 2017Date of Patent: September 21, 2021Assignee: City University of IIong KongInventors: Wing Fu Lai, Andrei Rogatch
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Patent number: 11098159Abstract: In an embodiment, a polymeric material includes a plurality of hemiaminal units bonded together by a first linkage and a second linkage, wherein the first linkage is thermally stable and resistant to bases and the second linkage is thermally degradable and degradable by a base. In another embodiment, a method of forming nanoporous materials includes forming a polymer network with a chemically removable portion. The chemically removable portion may be polycarbonate polymer that is removable on application of heat or exposure to a base, or a polyhexahydrotriazine (PHT) or polyhemiaminal (PHA) polymer that is removable on exposure to an acid. Removing any portion of the polymer results in formation of nanoscopic pores as polymer chains are decomposed, leaving pores in the polymer matrix.Type: GrantFiled: March 15, 2019Date of Patent: August 24, 2021Assignee: International Business Machines CorporationInventors: Dylan J. Boday, Jeannette M. Garcia, James L. Hedrick, Rudy J. Wojtecki
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Patent number: 11071801Abstract: A multilayer medical packaging film includes a first layer and a chlorine dioxide-producing layer. The chlorine dioxide-producing layer includes a polymer composition and a plurality of chlorite ions. The chlorine dioxide-producing layer is substantially free of an energy-activated catalyst and is substantially free of an acid-releasing compound. However, the film is capable of generating chlorine dioxide when exposed to UV light and moisture.Type: GrantFiled: February 15, 2017Date of Patent: July 27, 2021Assignees: Wisconsin Alumni Research Foundation, Bemis Company, Inc.Inventors: Nicholas Abbott, Rishabh Jain, Kevin Nelson, David Busche, David Lynn
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Patent number: 11000989Abstract: A method for preparing a highly elastic biodegradable three-dimensional structure includes (a) mixing poly(lactide-co-?-caprolactone) (PLCL) with at least one biocompatible heat stabilizer that is biocompatible with the PLCL, that is a heat stabilizer for the PLCL, and that is selected from the group consisting of ?-tocopherol, barium-zinc, calcium-zinc, vitamin B, and combinations thereof to provide a solvent-free mixture; and (b) carrying out three-dimensional printing with the solvent-free mixture by heating the mixture at 150-250° C. for 5-20 minutes to provide a heated mixture; and ejecting the heated mixture through a nozzle. The three-dimensional structure maintains mechanical properties even after three-dimensional printing, by adding a biocompatible heat stabilizer to poly(L-lactide-co-?-caprolactone). The three-dimensional structure is useful as a scaffold for tissue engineering.Type: GrantFiled: October 18, 2017Date of Patent: May 11, 2021Assignee: Korea Institute of Science and TechnologyInventors: Young Mee Jung, Soo Hyun Kim, Su Hee Kim
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Patent number: 10982050Abstract: A sealing composite includes a molecular formula as follows:Type: GrantFiled: May 13, 2019Date of Patent: April 20, 2021Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Yamin Wang
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Patent number: 10881584Abstract: Kits for allowing pharmacist to easily compound medications are provided. The kits include a mixing container, a first active ingredient and an inactive ingredient. It is further provided that methods of mixing compounds. Some kits include coloring agents that aid in the establishment proper mixing. Other kits include colored labels located on the ingredients.Type: GrantFiled: April 30, 2019Date of Patent: January 5, 2021Inventors: Austin Bonderer, Clark Levi
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Patent number: 10829710Abstract: Provided is a lubricity-imparting agent that can impart durable lubricity (in particular, lubricity at the time of wetting) to a substrate. It has been found that a lubricity-imparting agent including a copolymer containing a constitutional unit (A) based on 2-methacryloyloxyethyl phosphorylcholine and a constitutional unit (B) based on a photoreactive functional group-containing monomer, or a copolymer containing a constitutional unit (A) based on 2-methacryloyloxyethyl phosphorylcholine, a constitutional unit (B) based on a photoreactive functional group-containing monomer, and a constitutional unit (C) based on a hydrophobic group-containing monomer can impart durable lubricity to a substrate surface through a simple approach called photoirradiation.Type: GrantFiled: June 28, 2017Date of Patent: November 10, 2020Assignees: NOF CORPORATION, THE UNIVERSITY OF TOKYOInventors: Kazuhiko Ishihara, Tomozumi Noda, Masaru Matsuda, Satoshi Yamada, Nobuyuki Sakamoto
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Patent number: 10537125Abstract: Disclosed herein are chlorine dioxide releasing package label/inserts to be used inside a package or in an outer plastic bag containing several individual packages, the package label/insert containing (a) at least one layer of pectin and citric acid, (b) at least one layer of gelatin and sodium chlorite, (c) optionally at least one barrier layer containing gelatin (without sodium chlorite) between the at least one layer of pectin and citric acid and the at least one layer of gelatin and sodium chlorite, and (d) an adhesive joining said layers, wherein the package label/insert has alternating layers of the at least one layer of pectin and citric acid and the at least one layer of gelatin and sodium chlorite. Also disclosed are methods of killing microorganisms on an item using the package label/insert described herein.Type: GrantFiled: May 23, 2017Date of Patent: January 21, 2020Assignee: The United States of America, as represented by the Secretary of AgricultureInventors: Bassam A Annous, Carol Saade, Kit L. Yam
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Patent number: 10525013Abstract: Cationic polymers are provided for delivering anionic active agents, preferably in the form or nanoparticles and other nanostructures. The polymer can be a polycation homopolymer or a copolymer containing a polycation block. The polycations and polycation containing polymers can contain dicarboxylic acid ester units and units of (?-amino acid)-?,?-alkylene diester units. The nanoparticles can contain high loadings of anionic active agents, with sustained release of the active agents. Methods of making the polycations and polycation containing polymers are provided. Methods of making the nanoparticles and formulating them for administration to an individual in need thereof are also provided.Type: GrantFiled: July 11, 2018Date of Patent: January 7, 2020Assignee: The Brigham and Women's Hospital, Inc.Inventors: Omid Farokhzad, Jun Wu, Lili Zhao
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Patent number: 10322088Abstract: The present disclosure provides a sustained-release composition including a sodium hydrosulfide and a carrier. The carrier is provided for carrying the sodium hydrosulfide with an effective amount and includes a first component and a second component. The first component includes a paraffin wax, and the second component includes a fatty alcohol, a fatty acid or a phospholipid. The present disclosure also provides a method for fabricating the sustained-release composition. The method includes providing a first solution, providing the carrier, providing a second solution, performing an oil-in-water emulsification, and cooling the emulsion. In addition, the present disclosure provides a method for treating the chronic wounds. The method includes administering an effective amount of the aforementioned sustained-release composition to a subject suffered from the chronic wounds.Type: GrantFiled: September 21, 2017Date of Patent: June 18, 2019Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Hsing-Wen Sung, Wei-Chih Lin, Shu-Jyuan Lin
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Patent number: 10272015Abstract: Methods to enable a visual check on the mixing proper pharmaceutical compounding kits. The methods include providing a kit with a colored inactive to be added to the mixture. When the mixture is uniform or resembles a predetermined color, the mixture is assumed to be properly mixed.Type: GrantFiled: October 24, 2017Date of Patent: April 30, 2019Inventors: Austin Bonderer, Clark Levi
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Patent number: 10022334Abstract: Cationic polymers are provided for delivering anionic active agents, preferably in the form or nanoparticles and other nanostructures. The polymer can be a polycation homopolymer or a copolymer containing a polycation block. The polycations and polycation containing polymers can contain dicarboxylic acid ester units and units of (a-amino acid)-?, ?-alkylene diester units. The nanoparticles can contain high loadings of anionic active agents, with sustained release of the active agents. Methods of making the polycations and polycation containing polymers are provided. Methods of making the nanoparticles and formulating them for administration to an individual in need thereof are also provided.Type: GrantFiled: December 5, 2014Date of Patent: July 17, 2018Assignee: The Brigham and Women's Hostpital, Inc.Inventors: Omid Farokhzad, Jun Wu, Lili Zhao
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Patent number: 9795544Abstract: The subject of the present invention is a cosmetic composition of oil-in-water type comprising: (1) hydrophobic silica aerogel particles having a specific surface area per unit of mass (SM) ranging from 500 to 1500 m2/g and a size, expressed as volume-average diameter (D[0.5]), ranging from 1 to 1500 ?m ; (2) at least one gemini surfactant of formula (I): in which R1 and R3 denote, independently of one another, an alkyl radical containing from 1 to 25 carbon atoms; R2 denotes a spacer consisting of a linear or branched alkylene chain containing from 1 to 12 carbon atoms; X and Y denote, independently of one another, a —(C2H4O)a—(C3H6O)bZ group; n ranges from 1 to 10 ; and (3) at least one fatty phase comprising at least one fatty substance chosen from solid fatty substances and pasty fatty substances.Type: GrantFiled: October 16, 2012Date of Patent: October 24, 2017Assignee: L'OrealInventor: Raluca Lorant
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Patent number: 9675556Abstract: The present invention is directed to a crosslinked or non-crosslinked polymer particle, wherein the crosslinked polymer particle comprises a copolymer of poly(alklyene glycol-graft-lactate) that is crosslinked by at least one hydrolysable monomer. Another embodiment of the present invention is a polymer particle comprising a crosslinked polymer particle that is a product of starting materials comprising (a) a hydrophilic monomer, (b) a hydrophobic monomer, and (c) a hydrolysable crosslinking agent. Another embodiment of the present invention is a polymer particle comprising, a crosslinked copolymer comprises structures represented by Formulas (I), (II), and (III), where Formulas (I), (II) and (III) are defined in the specification. Yet other embodiments of the present invention include a method of preparing a methacrylate terminated macromonomer, a method of preparing a crosslinking agent, and a method of preparing a therapeutic agent loaded nanosphere by dispersion polymerization.Type: GrantFiled: December 18, 2014Date of Patent: June 13, 2017Assignee: Howard UniversityInventors: Emmanuel Oyekanmi Akala, Simeon Kolawole Adesina
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Patent number: 9670350Abstract: The present invention relates to novel polymer dispersants in the form of comb polymers P and to a liquid composition containing solid fine particles, such as organic or inorganic pigments and fillers, and the polymer dispersants. The comb polymer P having at least 0.5 mol-%, e.g. 0.Type: GrantFiled: June 6, 2014Date of Patent: June 6, 2017Assignee: BASF SEInventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Matthias Maier, Dario Perera-Diez
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Patent number: 9546235Abstract: The present invention relates to polymers, especially polymers useful as hydrogels, and to use of hydrogels for repair or restoration of tissue. In particular, the polymers and hydrogels of the present invention can be used for the repair or restoration of cartilage, especially articular cartilage. The polymers comprise at least a monomer for binding water, a monomer for imparting mechanical properties and a monomer for binding to an extracellular protein. The hydrogels comprise a polymer comprising at least a monomer for binding water and a monomer for binding to an extracellular protein. Crosslinking polymers by binding of said extra-cellular matrix protein forms hydrogels.Type: GrantFiled: December 19, 2012Date of Patent: January 17, 2017Assignee: THE UNIVERSITY OF SYDNEYInventors: Fariba Dehghani, Anthony Steven Weiss, Hua Wei, Suzanne Marie Mithieux, Ali Fathi
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Patent number: 9522177Abstract: The present invention relates to an antimicrobial and immunostimulatory system, applications thereof and a process for the production of the antimicrobial and immunostimulatory system. The present invention provides a storage-stable antimicrobial and immunostimulatory system comprising an oxidoreductase enzyme, a substrate for the oxidoreductase enzyme and hydrogen peroxide in an aqueous solution wherein the substrate for the oxidoreductase enzyme is present up to 90% by weight and water is present up to 20% by weight based on the weight of the total composition; the system has a pH from approximately 4 to 8; and the system provides a two-stage hydrogen peroxide release.Type: GrantFiled: December 20, 2012Date of Patent: December 20, 2016Assignee: INSTITUTE OF TECHNOLOGY SLIGOInventors: John Reginald Barrett, James Joseph Brennan, Thomas Patrick Patton
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Patent number: 9415141Abstract: A method for the manufacture of biodegradable membranes for preventing adhesion formation followed open heart surgery is described herein. The manufacturing of biodegradable membranes is based on polymeric composition, comprised of copolymer of polyhydroxybutyrate/hydroxyvalerate (PHBV), poly (D, L-lactide) in the ratio of the dried powders of 3:1, the resulting mixture is dissolved in chloroform to a concentration of 6-9% followed by thorough mixing for 2 hours and heating up to 35° C. The membrane is produced by electrostatic spinning (electrospinning), wherein biologically active substances from fibrinolytic agents or direct anticoagulants are embedded in the structure of the fiber.Type: GrantFiled: October 29, 2015Date of Patent: August 16, 2016Assignee: Federal State Budgetary Institution Research Institute for Complex Issues of Cardiovascular Diseases (NII KPSSZ)Inventors: Yuliya A. Kudryavtseva, Marina V. Nasonova, Leonid S. Barbarash
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Patent number: 9174924Abstract: The present invention relates to the discovery of new class of linear and multiarmed hydrolysable linkers and cross linkers for use in the synthesis of biodegradable polymers such as, polyesters, polyurethanes, polyamides, polyureas and degradable epoxy amine resin. The linear and multiarmed hydrolysable linkers of the present invention include symmetrical and/or unsymmetrical ether carboxylic acids, amines, amide diols, amine polyols and isocyanates.Type: GrantFiled: May 28, 2015Date of Patent: November 3, 2015Assignee: Bezwada Biomedical, LLCInventor: Rao S Bezwada
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Patent number: 9101552Abstract: A self-reversible reverse latex, and its use as a thickener. The self-reversible reverse latex includes: 50%-70 of a cross-linked polyelectrolyte obtained by the polymerization of a monomer of formula (I), with R1 being 8 to 20 carbon atoms and 1?n?30 for a neutral monomer, and a monomer having an acid function; 4%-10% of a water-in-oil emulsifier; 1%-10% of an oil-in-water emulsifier including a surface-active composition (C); 15%-45% oil; and 0%-5% water. Composition (C) is 10%-50% composition (CII) and 50%-90% composition(CIII). Composition(CII) is 60%-100% of a composition of formula (II), with R2 being a 12 carbon alkyl, T1, T2, and T3 being H or a (—CH2—CH2—O—)mi—H radical with 0?mi?10 and 0<?mi?10. Composition (CIII) is 60%-100% of a compound of formula (III) or mixtures of (III) and (IV), with R2 being as defined previously.Type: GrantFiled: April 11, 2011Date of Patent: August 11, 2015Assignee: SOCIETE DEXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPICInventors: Olivier Braun, Paul Mallo
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Publication number: 20150148431Abstract: A composition suitable for use in a transdermal delivery patch for administration of a biologically active compound, the composition comprising a phosphate compound of tocopherol and a polymer carrier.Type: ApplicationFiled: November 21, 2014Publication date: May 28, 2015Inventors: Jeremy Cottrell, Giacinto Gaetano, Mahmoud El-Tamimy, Nicholas Kennedy, Paul David Gavin
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Publication number: 20150147276Abstract: The invention provides compositions and methods for targeted controlled drug release. The compositions and methods can be used for treating or imaging vascular stenosis, stenotic lesions, occluded lumens, embolic phenomena, thrombotic disorders and internal hemorrhage.Type: ApplicationFiled: June 7, 2013Publication date: May 28, 2015Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGEInventors: Donald E. Ingber, Netanel Korin, Mathumai Kanapathipilai, Oktay Uzun, Anne-Laure Papa
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Patent number: 9034355Abstract: A polymeric composition capable of releasing nitric oxide and modulating biological responses comprises a biocompatible polymer and S-nitrosated thiol bonded to the biocompatible polymer. The polymeric composition can have a thiol conversion of at least 40%. The polymeric composition can also have a nitric oxide recovery of at least 40% when under thermal decomposition conditions.Type: GrantFiled: February 23, 2012Date of Patent: May 19, 2015Assignee: Colorado State University Research FoundationInventors: Melissa M. Reynolds, Vinod B. Damodaran
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Patent number: 9034390Abstract: The present invention generally relates to anti-microbial formulations and methods of their use and production. The formulations of the present invention are effective as broad spectrum anti-bacterial agents with efficacy against both Gram-negative and Gram-positive bacteria, as anti-viral agents with efficacy against both enveloped and non-enveloped viruses, and as anti-fungal agents with efficacy against both vegetative and spore forms of microorganisms and against biofilms. The present invention includes anti-microbial compositions that have at least one surfactant, at least one acid, at least one peroxide (preferably hydrogen peroxide), peracetic acid, and water. The anti-microbial Formulations of the present invention may additionally contain an organic salt. The organic salt may be a salt of the same acid that is used in the Formulation or a salt of a different acid. Methods for production and use of the inventive compositions are disclosed.Type: GrantFiled: May 10, 2007Date of Patent: May 19, 2015Assignee: BIONEUTRAL LABORATORIES CORPORATIONInventor: Andrew Kielbania, Jr.
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Publication number: 20150132346Abstract: A macroparticle pigment powder and methods of making the same. The macroparticle pigment powder comprises a plurality of macroparticle particles. The macroparticles are comprised of a matrix material that include pigment particles. In some embodiments the matrix material is polymeric in nature and selected from the group consisting of a natural latex, acrylics, polyacrylate, polymethacrylate, polyurethane, polyvinyl acetate, styrene-butadiene rubber, acrylonitrile butadiene styrene copolymer, and combinations thereof.Type: ApplicationFiled: May 19, 2014Publication date: May 14, 2015Inventors: Yun Shao, Pascal Delrieu, David Schlossman, Frank Mazzella
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Publication number: 20150133559Abstract: Methods for treating and preventing ocular conditions by administering an compound to the vitreous chamber of a patient at risk of, or suffering from, the ocular condition.Type: ApplicationFiled: November 14, 2014Publication date: May 14, 2015Inventors: Scott M. Whitcup, David A. Weber
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Patent number: 9029503Abstract: The invention mainly relates to a method for manufacturing a polypeptide of formula: X1—X?—X2??(III) X1 and X2 each representing a peptide fragment, and X? representing an amino acid residue comprising a thiol function, said method comprising at least one step of ligation reaction between a polypeptide of formula: X1—N(CH2CH2SH)2??(I) and a polypeptide of formula: H—X?—X2.??(II) The invention also relates to the polypeptides of formula (I) themselves and the method for obtaining them, as well as resin supports suitable for obtaining them.Type: GrantFiled: October 28, 2010Date of Patent: May 12, 2015Assignees: Centre National de la Recherche Scientifique, Institut Pasteur de LilleInventors: Oleg Melnyk, Reda Mhidia, Julien Dheur, Nathalie Ollivier