Monomer Containing Two Or More Nitrogen Atoms, Or Two Or More Nitrogen Containing Monomers Patents (Class 525/328.4)
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Patent number: 10418656Abstract: The present specification relates to a compound comprising an aromatic ring, a polymer comprising the same, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.Type: GrantFiled: January 26, 2016Date of Patent: September 17, 2019Assignee: LG CHEM, LTD.Inventors: Yong Jin Jang, Joong Jin Han, Youngjea Kim, Esder Kang, Sehee Jung, Hyun Woog Ryu, Yunah Yu
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Patent number: 10190055Abstract: The present invention generally relates to methods for resolving water and oil emulsions in the produced fluid of an oil production system comprising adding a structured copolymer reverse emulsion breaker to the produced fluid of the crude oil production system in an amount effective for resolving an oil-in-water emulsion. In particular, these methods for resolving an oil-in-water emulsion can be used in separation processes where the oil and solids in the produced fluid are separated from the produced water in the produced fluid.Type: GrantFiled: June 16, 2016Date of Patent: January 29, 2019Assignee: Ecolab USA Inc.Inventors: Vittoria Balsamo De Hernandez, Jenny L. Phan, Pious Kurian
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Patent number: 9283416Abstract: A star-shaped hyperbranched polymer with a triethanolamine core, a carboxylate lateral group and a dithiocarboxylate end group has a formula of N[CH2CH2OCOCH2CH2(COOM)N(CSSM)CH2CH2N(CSSM)2]3, wherein M is Na+, NH4+ or K+. The star-shaped hyperbranched polymer has an effectively stabilization effect on heavy metals in MSWI fly ash. A method thereof for stabilizing is simple, low in dosage, cheap and without secondary pollution. Therefore, heavy metals leaching concentration in fly ash stabilized production is lower than a limit of Chinese national standard. Furthermore, acid and alkali resistance thereof is sufficient, which decreases a long-term pollution risk in natural environment.Type: GrantFiled: April 7, 2015Date of Patent: March 15, 2016Assignee: Tongji UniversityInventors: Bingru Zhang, Fengting Li, Zhipeng Tian
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Publication number: 20150147275Abstract: A water-soluble compound of the formula (I): (Formula (I)) wherein R9 and R10 are suitably hydrophilic substituents, which may be used to selectively bind to a target saccharide such as glucose and which exhibits a detectable spectroscopic response to such binding, thus enabling its use in the detection and correction of blood glucose concentrations in vivo.Type: ApplicationFiled: April 26, 2013Publication date: May 28, 2015Inventors: Chenfeng Ke, Anthony P. Davis
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Publication number: 20150141580Abstract: The invention generally relates to optimized drug conjugates.Type: ApplicationFiled: October 28, 2014Publication date: May 21, 2015Inventor: John S. Petersen
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Patent number: 8975340Abstract: An organic synthesis of materials to achieve removal of low molecular weight ionic species, such as transition metal ions including cobalt, iron, nickel, and zinc, from aqueous solutions. The synthesis includes the steps of providing a cation exchange resin, functionalizing the cation exchange resin using a chloride intermediate to form a sulfonyl chloride resin, and reacting a multi-amine based ligand with the sulfonyl chloride resin to form a sequestration resin. The synthesis further includes the steps of cooling the sequestration resin, and washing and drying the sequestration resin.Type: GrantFiled: November 23, 2011Date of Patent: March 10, 2015Assignee: Electric Power Research Institute, Inc.Inventors: Leon Yengoyan, Paul L. Frattini, Daniel Morgan Wells
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Publication number: 20150056451Abstract: Pharmaceutical compositions for and methods of treating an animal, including a human, and methods of preparing such compositions. The pharmaceutical compositions contain crosslinked amine polymers and may be used, for example, to treat diseases or other metabolic conditions in which removal of protons and/or chloride ions from the gastrointestinal tract would provide physiological benefits such as normalizing serum bicarbonate concentrations and the blood pH in an animal, including a human.Type: ApplicationFiled: June 23, 2014Publication date: February 26, 2015Inventors: Gerrit KLAERNER, Eric F. CONNOR, Randi K. GBUR, Matthew J. KADE, Paul H. KIERSTEAD, Jerry M. BUYSSE, Michael J. COPE, Kalpesh N. BIYANI, Son H. NGUYEN, Scott M. TABAKMAN
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Publication number: 20140350190Abstract: Provided are a sulfur-modified chloroprene rubber superior in adhesiveness to cable core and fibrous reinforcement material, a method for producing the same, and a molded body prepared from the same. A sulfur-modified chloroprene rubber is prepared in a polymerization step of mixing 100 parts by mass of 2-chloro-1,3-butadiene and 0.1 to 2.0 parts by mass of sulfur and emulsion-polymerizing the mixture to a monomer conversion rate in the range of 60 to 90% and in a plasticizing step of modifying the terminal of the polymer by adding an aqueous medium dispersion containing tetramethylthiuram disulfide in an amount of 10 to 70 mass % to the reaction solution after polymerization. The 1H-NMR spectrum of the sulfur-modified chloroprene rubber, as determined in deuterochloroform solvent, has two peak tops at 3.55 to 3.61 ppm and at 3.41 to 3.47 ppm, and the ratio (A/B) of peak area (A) at 3.55 to 3.61 ppm to peak area (B) at 4.2 to 6.5 ppm is 0.05/100 to 0.70/100.Type: ApplicationFiled: December 7, 2012Publication date: November 27, 2014Inventors: Naoki Kobayashi, Sachiyo Kishi, Takashi Sunada, Motohiro Ose
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Patent number: 8877871Abstract: There is provided a switching element including two electrodes and an organic bistable material sandwiched between the electrodes, which is expected to be applied to an organic memory element or the like. A switching element which includes: two electrodes; and an organic thin film containing a metal fine particle and interposed between the electrodes, and which exhibits such a current bistability that the switching element has two stable resistance values in response to a voltage applied, the switching element characterized in that the metal fine particle is dispersed in the organic thin film with a metal fine particle-dispersing agent containing a polymer having a dithiocarbamate group and having a weight average molecular weight of 500 to 5,000,000.Type: GrantFiled: September 1, 2008Date of Patent: November 4, 2014Assignees: Kyushu University, Nissan Chemical Industries, Ltd.Inventors: Katsuhiko Fujita, Kei Yasui, Masaaki Ozawa, Keisuke Odoi, Hisashi Ichikawa
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Patent number: 8846110Abstract: The present invention relates to compositions for the treatment of cancerous tissues in warm-blooded animals containing one or two anticancer agents attached to polymeric carriers having monomer units derived from one or more of N-(2-carboxypropyl)methacrylamide (2-CPMA), N-(3-carboxypropyl)methacrylamide (3-CPMA), N-(2-aminopropyl)methacrylamide (2-APMA) and/or N-(3-aminopropyl)methacrylamide (3-APMA) are also included. Anticancer agents in compositions can be attached to said polymeric carrier by side-chains which can be susceptible to hydrolysis by lysosomal enzymes intracellularly. Compositions can also include a targeting ligand attached to the polymeric carrier, optionally through a second linker.Type: GrantFiled: October 13, 2010Date of Patent: September 30, 2014Assignee: Rexahn Pharmaceuticals, Inc.Inventors: Young B. Lee, Deog J. Kim, Chang H. Ahn
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Publication number: 20140190700Abstract: Stabilizers that include hydrophobically modified amine-containing polymers may be utilized as compositions or in methods for controlling particulate migration in a subterranean formation. For example, a method may include providing a treatment fluid that comprises a base fluid and a hydrophobically modified amine-containing polymer (HMAP), the HMAP comprising a plurality of hydrophobic modifications on an amine-containing polymer; introducing the treatment fluid into a wellbore penetrating a subterranean formation, the subterranean formation comprising a plurality of particulates; and allowing the HMAP to coat at least some of the particulates.Type: ApplicationFiled: February 14, 2013Publication date: July 10, 2014Applicant: Halliburton Energy Services, Inc.Inventors: Tingji Tang, Feng Liang, Loan Vo, Philip D. Nguyen
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Patent number: 8772412Abstract: A meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B) is described. Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. The molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. The meta-stable state nitrogen-containing polymer has a variance less than 2% in its narrow molecular weight distribution after being retained at 55° C. for one month.Type: GrantFiled: December 29, 2011Date of Patent: July 8, 2014Assignee: Industrial Technology Research InstituteInventors: Li-Duan Tsai, Yueh-Wei Lin, Chia-Chen Fang, Cheng-Liang Cheng, Jing-Pin Pan, Tsung-Hsiung Wang
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Publication number: 20140094569Abstract: The present invention provides a method for preparing a sample characterized by binding a substance A containing a hydrazide group to a sugar chain and/or a sugar derivative via hydrazone formation between the hydrazide group of the substance A and the reducing end of the sugar chain and/or the sugar derivative thereby to enable the separation and purification of the sugar chain and/or the sugar derivative for an analytical sample from a biological sample containing the sugar chain and/or the sugar derivative by a simple operation.Type: ApplicationFiled: September 25, 2013Publication date: April 3, 2014Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, SUMITOMO BAKELITE COMPANY LIMITEDInventors: Hideyuki SHIMAOKA, Shinichiro NISHIMURA, Yasuro SHINOHARA, Yoshiaki MIURA, Jun-ichi FURUKAWA
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Patent number: 8669331Abstract: Described herein are substantially linear copolymeric compositions having at least two azide groups and at least two non-activated acetylene groups. The azide groups and the non-activated acetylene groups are reacted to cure the substantially linear copolymer composition. Also, described are methods of making and using such substantially linear copolymeric compositions.Type: GrantFiled: March 4, 2013Date of Patent: March 11, 2014Assignee: 3M Innovative Properties CompanyInventors: Michael D. Crandall, Yvan A. Bogaert, Werner M. Grootaert, Anthony P. Manzara
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Patent number: 8658192Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, and methods for making and using the cationic polymers and surfaces. The cationic polymers include counterions and/or hydrolyzable groups that release active agents.Type: GrantFiled: October 14, 2010Date of Patent: February 25, 2014Assignee: University of WashingtonInventors: Shaoyi Jiang, Gang Cheng, Luo Mi, Hong Xue, Yuting Li
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Patent number: 8623964Abstract: A room temperature crosslinkable polymer system comprising an anhydride containing polymer and an oxyalkylene amine and a polymer electrolyte derived therefrom are prepared and employed as ion conducting materials for batteries such as lithium ion battery, solar cells and electrochromic devices is disclosed.Type: GrantFiled: September 19, 2011Date of Patent: January 7, 2014Assignee: BASF SEInventors: Zhiquang Song, Suruliappa G. Jeganathan, Jacqueline Lau, Rakesh Gupta
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Patent number: 8604134Abstract: Vinylamine-containing polymers are disclosed where the amine groups are substituted with (1) cationic functional groups, (2) anionic functional groups, (3) hydrophobic functional groups, (4) hydrophilic functional groups, (5) functional groups that impart amphoteric characteristics to the polymers, or (6) combinations thereof. Also disclosed are processes for preparing such polymers, as well as compositions comprising such polymers. Among other applications, these polymers can be used in papermaking applications as dry strength additives, wet strength additives, retention aids, drainage aids, and pitch and stickies control agents.Type: GrantFiled: July 31, 2008Date of Patent: December 10, 2013Assignee: Hercules IncorporatedInventors: Qu-Ming Gu, Jonathan M. McKay, Richard J. Riehle
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Patent number: 8519068Abstract: The present invention relates to a 2,7-carbazole-containing polymer represented by formula 1 and an organic photovoltaic device comprising the conductive polymer as a photoelectric conversion material. The conductive polymer has high photon absorption efficiency and improved hole mobility and is prepared by introducing a specific amount of a carbazole compound either into a polymer, consisting only of a donor functional group containing one or more aromatic monomers, or into a donor-acceptor type polymer comprising a repeating acceptor group introduced into a donor functional group. The conductive polymer can be used as a photoelectric conversion material for organic thin film transistors (OTFTs) or organic light-emitting diodes (OLEDs). Furthermore, the invention provides an organic photovoltaic device comprising the carbazole-containing conductive polymer as an electron donor, and thus can achieve high photoelectric conversion efficiency in organic thin film solar cells.Type: GrantFiled: March 31, 2010Date of Patent: August 27, 2013Assignee: Korea Research Institute of Chemical TechnologyInventors: Sang Jin Moon, Won Suk Shin, Won Wook So, Hye Young Lee, Kyu Nam Kim, Sung Cheol Yoon, Chang Jin Lee
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Patent number: 8476390Abstract: Polymer and monomer compositions based on a chromophore and improved light absorption. Lens materials can be fabricated. A composition comprising: a compound comprising a polymerizable vinyl group covalently linked to a benzene ring-based chromophore comprising: a substituent comprising a carbonyl group at the 1-position; a substituent comprising a hydroxy, ether, ester or a combination thereof at the 2-position; and a substituent comprising a (p-Nitrophenylazo) group at the 4 position of the benzene ring, including salts.Type: GrantFiled: April 25, 2008Date of Patent: July 2, 2013Inventors: Patrick H. Benz, Jose A. Ors
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Patent number: 8445601Abstract: Described herein are substantially linear copolymeric compositions having at least two azide groups and at least two non-activated acetylene groups. The azide groups and the non-activated acetylene groups are reacted to cure the substantially linear copolymer composition. Also, described are methods of making and using such substantially linear copolymeric compositions.Type: GrantFiled: November 14, 2008Date of Patent: May 21, 2013Assignee: 3M Innovative Properties CompanyInventors: Michael D. Crandall, Yvan A. Bogaert, Aron Y. Goodner, Werner M. A. Grootaert, Anthony P. Manzara
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Patent number: 8420750Abstract: Copolymers comprising recurring units (A) of one or more of the general structural formulae -D-G-Arb-G-, -G-D-G-Arb- and/or -D-G- on one hand, and recurring units (B) of one or more of the general structural formulae —Ara-G-Arb-G-, -G-Ara-G-Arb- and/or —Ara-G- on the other hand, wherein D is a dibenzodiazocine-containing divalent group, Ara is a dibenzodiazocine-free divalent group containing a sulfone unit and/or a ketone unit, Arb is a dibenzodiazocine-free divalent group, and G is an ether or a thiether group. Preferably, recurring units (A) are of the general structural formula -D-G-Arb-G- and recurring units (B) are of the general structural formula —Ara-G-Arb-G-. Method for the preparation of the copolymers, compositions and articles made of the copolymers are also part of the invention.Type: GrantFiled: February 10, 2009Date of Patent: April 16, 2013Assignee: Solvay Advanced Polymers, L.L.C.Inventor: Charles Hoppin
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Patent number: 8338554Abstract: Disclosed is a novel optically stable hyperbranched polymer whose molecular terminal can be derivatized with various compounds; and a method for producing such a polymer. Specifically disclosed is a hyperbranched polymer having a structure represented by Formula (1) wherein a halogen atom is at a molecular terminal. The hyperbranched polymer can be obtained by substituting the molecular terminal dithiocarbamate group of a hyperbranched polymer having a dithiocarbamate group at a molecular terminal, which is obtained by living radical polymerization of a dithiocarbamate compound having a vinyl group structure, with a halogen atom. Also disclosed is a hyperbranched polymer wherein an amino group or an ammonium group is at a molecular terminal instead of a halogen atom.Type: GrantFiled: August 29, 2007Date of Patent: December 25, 2012Assignee: Nissan Chemical Industries, Ltd.Inventors: Kei Yasui, Masaaki Ozawa, Akihiro Tanaka, Hiroki Takemoto
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Publication number: 20120264888Abstract: A process for producing an acylated vinylamine-containing polymer is disclosed. The acylated vinylamine-containing polymer is produced by reacting a vinylamine-containing polymer with at least one acylating agent.Type: ApplicationFiled: April 13, 2012Publication date: October 18, 2012Applicant: HERCULES INCORPORATEDInventors: Qu-Ming GU, Jonathan M. McKay
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Publication number: 20120238487Abstract: A polymer having a structure according to the following formula (I): wherein: A represents a hydrophilic group; B represents a hydrophobic aromatic group such as 5-dimethylamino-1-naphthalenesulfonyl (Dansyl), 9-fluorenylmethoxy carbonyl (Fmoc) and naphthalene (Naphth); D and E independently represent amine groups; F represents an amine group, the amine group being substituted with a B group and an A group, or the amine group being a quaternary ammonium moiety; wherein W, X, Y and Z each independently have values greater than or equal to (1), especially in the range of (1) to (10).Type: ApplicationFiled: September 6, 2010Publication date: September 20, 2012Applicant: ROBERT GORDON UNIVERSITYInventors: Paul Kong Thoo Lin, Woei Ping Cheng, Clare Hoskins
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Patent number: 8242215Abstract: A cationic copolymers of acrylamide obtained by the Hofmann rearrangement, using an alkali and/or alkaline earth hydroxide and an alkali and/or alkaline earth hypohalide, are provided. The copolymers can be used as strengthening agents for paper and/or coagulants. The copolymers have a desalination coefficient (Cd) higher than 0.6, higher than 0.65, or higher than 0.7.Type: GrantFiled: February 19, 2008Date of Patent: August 14, 2012Assignee: S.P.C.M. SAInventors: René Hund, Christian Jehn-Rendu
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Publication number: 20120197060Abstract: Described herein are anti-cancer compounds composed of a macromolecule comprising (1) at least one anti-cancer agent directly or indirectly bonded to the macromolecule and (2) at least one high Z element directly or indirectly bonded to the macromolecule that is capable of producing Auger electrons upon exposure to X-ray energy. When the compounds are exposed to low energy X-ray (e.g., kilo electron volts KeV) Auger electrons are produced by the high Z elements present in the compound. Because lower energy is required when compared to typical radiotherapy, which uses therapeutic X-ray energy in the million electron volt range (MeV), the subject experiences lower collateral damage when compared to radiation therapy. Additionally, the presence of the anti-cancer agent provides a second mechanism for killing cancer cells. Methods for making and using the anti cancer compounds are also described herein.Type: ApplicationFiled: June 17, 2010Publication date: August 2, 2012Applicant: UNIVERSITY OF UTAH RESEARCH FOUNDATIONInventors: Abhijit Ray, Hamidreza Ghandehari
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Publication number: 20120107264Abstract: Polymers including two or more different recurring units are disclosed herein. Also disclosed herein are methods of using such polymers to deliver nucleic acids to a cell.Type: ApplicationFiled: October 13, 2011Publication date: May 3, 2012Applicant: Nitto Denko CorporationInventors: Padmanabh Chivukula, Jian Liu, Akinobu Soma, Keisaku Okada, Sang Van, Julia Zhu, Nianchun Ma, Chen-Chang Lee, Fu Chen, Lei Yu
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Publication number: 20120101234Abstract: The present invention relates to a process for the preparation of sevelamer, in particular sevelamer hydrochloride and sevelamer carbonate/bicarbonate, by means of a process that allows sevelamer to be obtained with good yields and using conventional reactors, without requiring to use specific and expensive equipment.Type: ApplicationFiled: May 10, 2010Publication date: April 26, 2012Inventors: Flavio Villani, Bruno De Angelis, Antonio Nardi, Maria Paternoster
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Patent number: 8153744Abstract: There is provided a novel hyperbranched polymer in which the refractive index is precisely controlled while retaining its hyperbranched structure, and a method for producing the hyperbranched polymer. Further, there is also provided an optically and thermally stable novel hyperbranched polymer in which the desired refractive index is precisely controlled, and a method for producing the hyperbranched polymer. The hyperbranched polymer has, as a branched structure, a repeating unit structure produced from two dithiocarbamate compounds each having a vinyl structure, at the polymerization initiation site having a vinyl structure. A specific example of the hyperbranched polymer can be produced by subjecting to a living radical polymerization N,N-diethyldithiocarbamylmethylstyrene in the presence of N,N-diethyldithiocarbamylethyl methacrylate.Type: GrantFiled: September 4, 2007Date of Patent: April 10, 2012Assignees: Nissan Chemical Industries, Ltd., Tokyo Institute of TechnologyInventors: Hiroki Takemoto, Masaaki Ozawa, Koji Ishizu
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Publication number: 20110312240Abstract: The present invention relates to aqueous binder compositions which are based on aqueous polymer dispersions, to processes for preparing them, and to their uses. The aqueous binder composition comprises: a) a water-insoluble polymer P in the form of dispersed polymer particles, i.e., in the form of an aqueous polymer dispersion, the polymer P being obtainable by polymerization of ethylenically unsaturated monomers M, the monomers M comprising: 90% to 99.9% by weight, more particularly 92% to 99.5% by weight and especially 93% to 99% by weight, based on the total amount of monomers M, of at least one neutral, monoethylenically unsaturated monomer M1 of low water-solubility; and 0.1% to 10% by weight, more particularly 0.Type: ApplicationFiled: June 16, 2011Publication date: December 22, 2011Applicant: BASF SEInventors: Stephan Amthor, Bernd Reck, Jens Hartig
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Publication number: 20110195104Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, and methods for making and using the cationic polymers and surfaces. The cationic polymers include counterions and/or hydrolyzable groups that release active agents.Type: ApplicationFiled: October 14, 2010Publication date: August 11, 2011Applicant: UNIVERSITY OF WASHINGTONInventors: Shaoyi Jiang, Gang Cheng, Luo Mi, Hong Xue, Yuting Li
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Publication number: 20110166297Abstract: Molecularly imprinted smart polymers (MISPs) are provided herein, as well as novel monomers for preparing MISPs, and processes for preparing MISPs. The MISPs can be used applications such as, for example, detecting/absorbing or isolating biological and non-biological agents. The MISPs described herein comprise responsive monomeric units which undergo a physico-chemical change (e.g., a bond formation or cleavage) in response to an external change, such that the MISP selectively binds to a target molecule and releases a bound target molecule in response to the external change.Type: ApplicationFiled: September 9, 2009Publication date: July 7, 2011Applicant: Sailo Nanotechnologies Ltd.Inventors: Flavio Grynszpan, Eran Partouche, Vladimir Shkoulev, Alex Aizikovich, Sharon Gazal, Rachel Nakash-Ozeri, Isaac Zigelboim
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Patent number: 7972478Abstract: In a method of producing a sheet of paper and/or cardboard and similar products, prior to the formation of the sheet from a fibrous suspension, at least two dry strength agents are added to the suspension either separately in any order or mixed together and at one or more injection points, namely: a first agent corresponding to a product for Hofmann degradation in solution on a base (co)polymer comprising at least one non-ionic monomer which is selected from the group containing acrylamide and/or methacrylamide, N,N dimethylacrlamide and/or acrylonitrile; and a second agent corresponding to a (co)polymer having an anionic charge density greater than 0.1 meq/g. The Hofmann degradation product comprises an organic polymer produced at a concentration greater than 3.5% by weight, and preferably greater than 4.5% and the first and second agents are each introduced into the pulp suspension at a concentration of between 0.Type: GrantFiled: January 11, 2006Date of Patent: July 5, 2011Assignee: S.P.C.M. SAInventors: René Hund, Christian Jehn-Rendu, Fabrice Moretton
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Publication number: 20110159087Abstract: Disclosed herein are pharmaceutical compositions comprising wet granulated bile acid sequestrants having the general Formula I shown, and their process of preparation. The present invention also discloses process for preparation of Colesevelam hydrochloride, an antilipemic agent.Type: ApplicationFiled: September 2, 2009Publication date: June 30, 2011Inventors: Dhananjay Govind Sathe, Harish Kashinath Mondkar, Mantripragada Narayan Rao, Samadhan Daulat Patil, Tanaji Shamrao Jadhav, Ashok Omray, Varsha Shashank Choudhary, Yogesh Sharad Bhide
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Publication number: 20110152465Abstract: Disclosed is a method for preparing a hydroxyl functionalized polymer from a Lewis acid promoted carbonyl-ene reaction comprising: selecting a vinylidene terminated polyolefin having a number average molecular weight from about 950 to about 5000 and having a terminal vinylidene content greater than 50 mole percent; selecting a carbonyl enophile; selecting a Lewis acid; and contacting the components in step a), b) and c) under reactive conditions to form the hydroxyl functionalized polymer.Type: ApplicationFiled: December 15, 2010Publication date: June 23, 2011Inventors: Richard E. Cherpeck, Ruth Smocha
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Patent number: 7964669Abstract: A thermosetting resin comprising a reacted A) first partially crosslinked glyoxalated polymer comprising a reacted (i) first polyacrylamide backbone and (ii) a first glyoxal component; and B) a second crosslinked glyoxalated polymer comprising a reacted (i) second polyacrylamide backbone and (ii) a second glyoxyal component; such that the first polyacrylamide backbone has a molecular weight that is less than the molecular weight of the second polyacrylamide backbone; and the first polyacrylamide backbone and the second polyacrylamide backbone have a weight ratio ranging from 75:25 to 95:5. Methods for making and using the resin. Fibrous substrates made with the resin.Type: GrantFiled: April 2, 2010Date of Patent: June 21, 2011Assignee: Kemira OyjInventors: Robert Joseph Proverb, Lucyna M. Pawlowska
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Publication number: 20110111350Abstract: A monomer M-S has a first polymerisable moiety (M) capable of forming a conjugated polymer, and a second polymerisable moiety (S) with a double bond susceptible to addition polymerisation. Polymerisation of the M-moieties is caused, generally by electropolymerisation or chemical oxidation. Polymerisation of the S-moieties is also caused, generally by a radical mechanism, before, after or simultaneously with the M-polymerisation. Suitable monomers include N-(methacrylamidoethyl)-aniline, N-(acrylamidoethyl)-aniline, N-(methacryloyloxyethyl)-aniline and N-(acryloyloxyethyl)-aniline.Type: ApplicationFiled: March 26, 2009Publication date: May 12, 2011Inventors: Dhana Lakshmi, Michael James Whitcombe, Iva Chianella, Sergey Anatoliyovich Piletsky
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Publication number: 20110092652Abstract: Disclosed herein are tunable shape memory polymers (SMP's) and methods for manufacturing the disclosed SMP's.Type: ApplicationFiled: October 18, 2010Publication date: April 21, 2011Inventors: Walter E. Voit, Taylor Ware, Kenneth Gall
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Publication number: 20110086111Abstract: The present invention relates to compositions for the treatment of cancerous tissues in warm-blooded animals containing one or two anticancer agents attached to polymeric carriers having monomer units derived from one or more of N-(2-carboxypropyl)methacrylamide (2-CPMA), N-(3-carboxypropyl)methacrylamide (3-CPMA), N-(2-aminopropyl)methacrylamide (2-APMA) and/or N-(3-aminopropyl)methacrylamide (3-APMA) are also included. Anticancer agents in compositions can be attached to said polymeric carrier by side-chains which can be susceptible to hydrolysis by lysosomal enzymes intracellularly. Compositions can also include a targeting ligand attached to the polymeric carrier, optionally through a second linker.Type: ApplicationFiled: October 13, 2010Publication date: April 14, 2011Applicant: Rexahn Pharmaceuticals, Inc.Inventors: Young B. Lee, Deog J. Kim, Chang H. Ahn
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Publication number: 20110081413Abstract: The present invention discloses pharmaceutical composition comprising phosphate binding polymers such as Sevelamer carbonate substantially free of monovalent anion other than bicarbonate anion. Particularly, monovalent anion content is less than about 0.05% (w/w). Disclosed are compositions comprising wet granulated Sevelamer carbonate free of added metal ions and/or added monovalent anion source.Type: ApplicationFiled: January 22, 2010Publication date: April 7, 2011Inventor: Ashok Omray
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Patent number: 7883603Abstract: A method for making a sheet of paper and/or cardboard and the like, comprises, prior to forming said sheet, adding to the fibrous suspension, separately or mixed, in any sequence of introduction, into one or more injection points, at least three dry strength agents respectively: first agent corresponding to a (co)polymer having a cationic filler density higher than 1 meq/g and exhibiting primary amine functions; a second agent corresponding to a synthetic organic (co)polymer having cationic filler density higher than 0.1 meq/g; and a third agent corresponding to a (co)polymer having an anionic filler density higher than 0.1 meq/g.Type: GrantFiled: January 31, 2006Date of Patent: February 8, 2011Assignee: S.P.C.M. SAInventors: Rene Hund, Christian Jehn-Rendu, Fabrice Moretton
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Patent number: 7863388Abstract: Water-soluble functionalized cationic copolymers obtainable by a process which comprises reacting a cationic base polymer which contains amino groups with at least one functional compound reactive to at least a part of the amino groups on the base polymer, are useful in personal care and cosmetic formulations.Type: GrantFiled: November 9, 2006Date of Patent: January 4, 2011Assignee: BASF SEInventors: Zhiqiang Song, John Jennings, Jianwen Mao
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Patent number: 7851557Abstract: Disclosed is an organic/inorganic composite electrolyte membrane comprising: (a) a sulfonated fluorine-free hydrocarbon-based polymer; and (b) inorganic particles capable of collecting moisture, wherein the inorganic particles include zeolite. Also, disclosed are an electrode comprising the zeolite as a component for forming a catalyst layer, a membrane electrode assembly comprising the electrolyte membrane and/or the electrode, and a fuel cell having the membrane electrode assembly. The organic/inorganic composite electrolyte membrane using the hydrophilic zeolite in combination with the sulfonated fluorine-free hydrocarbon-based polymer shows high proton conductivity, and thus can impart excellent quality to a fuel cell even under high-temperature and low-humidity conditions.Type: GrantFiled: June 19, 2007Date of Patent: December 14, 2010Assignee: LG Chem, Ltd.Inventors: Yong Su Park, Chong Kyu Shin, Kwon Nam Sohn, Bong Keun Lee, Jae Hyuk Chang, Eun Ju Kim
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Patent number: 7608665Abstract: A thermosetting resin comprising a reacted A) first partially crosslinked glyoxalated polymer comprising a reacted (i) first polyacrylamide backbone and (ii) a first glyoxal component; and B) a second crosslinked glyoxalated polymer comprising a reacted (i) second polyacrylamide backbone and (ii) a second glyoxyal component; such that the first polyacrylamide backbone has a molecular weight that is less than the molecular weight of the second polyacrylamide backbone; and the first polyacrylamide backbone and the second polyacrylamide backbone have a weight ratio ranging from 75:25 to 95:5. Methods for making and using the resin. Fibrous substrates made with the resin.Type: GrantFiled: September 30, 2005Date of Patent: October 27, 2009Assignee: Lanxess CorporationInventors: Robert Joseph Proverb, Lucyna M. Pawlowska
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Publication number: 20090215965Abstract: The invention provides a process for synthesising functionalised chain transfer polymers of Formula (1) or Formula (2) using thiocarbonyl thio compounds as chain transfer agents. Why R1 is a moiety comprising a functional group; Q is obtained from an olefinically unsaturated monomer; R? is selected from the group consisting of alkyl, substituted alkyl, alkoxy, substituted alkoxy, an aromatic saturated or unsaturated carbocyclic or heterocyclic ring, optionally substituted with one or more substituents, amino alkyl, cyanoalkyl, hydroxylalkyl, saturated and unsaturated amido; an organometallic species, a polymer chain and any of the foregoing substituted with one or more CN or OH groups; q=an integer of at least 2; p=an integer of at least 1. Chain transfer agents and polymers produced by the method are also provided.Type: ApplicationFiled: April 8, 2009Publication date: August 27, 2009Applicant: The University of LeedsInventor: Sebastian Perrier
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Publication number: 20090202465Abstract: The invention relates to an ethylene cationic polymer comprising at least one primary, secondary or tertiary protonable amine function which is at least partially neutralised by a polymer organic acid neutralising agent which contains at least one carboxylic, sulphonic and/or phosphonic acid function. Said invention also relates to a cosmetic or pharmaceutical composition comprising said neutralised polymer in a physiologically acceptable medium, in particular, cosmetically or pharmaceutically acceptable medium. A method for cosmetically treating keratinic materials, such as a body of face skin, nails, hairs, eyebrows and/or eyelashes, consisting in applying the inventive cosmetic composition to said keratinic materials is also disclosed.Type: ApplicationFiled: June 30, 2006Publication date: August 13, 2009Inventors: Nathalie Mougin, Gwenaelle Jegou
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Patent number: 7547747Abstract: The present invention relates to a polyallylamine-based high-molecular-weight polymer which is easily soluble in water and in an organic solvent and gives an excellently stable aqueous solution or organic solvent solution thereof which is suitable for use in the fields of fine chemicals such as the field of inkjet recording, and the polymer is a modified polyallylamine obtained by modifying a copolymer of N,N-dialkylallylamine and allylamine.Type: GrantFiled: February 17, 2004Date of Patent: June 16, 2009Assignee: Nitto Boseki Co., Ltd.Inventors: Mitsumasa Hashimoto, Minoru Takeuchi, Shuichi Kataoka, Kiyohiko Takemoto
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Patent number: 7541409Abstract: Hydrophobically modified polymers containing vinylamine or ethylenimine units and obtainable by reacting (a) polymers containing vinylamine or ethylenimine units with (b) compounds of the formula R-A-(EO, PO, BuO)n—X??(I), where R is C4- to C26-alkyl or C4- to C26-alkenyl, A is O, NH or COO, EO is an ethylene oxide unit, PO is a propylene oxide unit, BuO is a butylene oxide unit, n is from 1 to 250 and X is a functional group which can be covalently bonded to an OH group, process for the preparation of hydrophobically modified polymers containing vinylamine or ethylenimine units by reacting polymers containing vinylamine or ethylenimine units with a water repellent of the formula I and use of the polymers thus obtainable as an additive to paperstock in papermaking.Type: GrantFiled: May 19, 2003Date of Patent: June 2, 2009Assignee: BASF AktiengesellschaftInventors: Guenther Grimm, Volker Braig, Simon Champ, Norbert Mahr
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Patent number: 7517705Abstract: The invention relates to a phosphorus-containing polymer for coating dielectric materials, to processes for its preparation and to its use, as well as to an optical signal transducer having a coating of the polymer and to its use.Type: GrantFiled: August 21, 2006Date of Patent: April 14, 2009Assignee: Bayer AktiengesellschaftInventors: Ingmar Dorn, Burkhard Kohler
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Publication number: 20090086140Abstract: Disclosed is a composition comprising at least one polymer compound represented by formula (1) below, and at least one polymerizable compound.Type: ApplicationFiled: September 26, 2008Publication date: April 2, 2009Applicant: FUJIFILM CorporationInventors: Takayasu Yasuda, Michitaka Matsuumi, Shinichi Morishima