Polyether Patents (Class 564/504)
  • Patent number: 11905228
    Abstract: This application relates, in part, to novel salts represented by the following structure of Formula (1): wherein R1a is selected from the group consisting of hydrogen and optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); R1b is optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); each occurrence of R2 and R3 is independently selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, and optionally substituted aryl; R2 and R3 can combine with each other to form optionally substituted cycloalkyl; each m and n is independently an integer ranging from 1 to 20 (e.g., m and n is independently an integer ranging from 1 to 5); and each of Q1? and Q2? is independently a counterion (e.g., each of Q1? and Q2? is independently a counterion selected from the group consisting of chloride, bromide, fluoride, iodide, acetate, carboxylate, hydrogen sulfate, nitrate, and phenolate, and sulfonate, e.g.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: February 20, 2024
    Assignee: Aditya Birla Chemicals (USA), Inc.
    Inventors: Szymon Kosinski, Stefan J. Pastine, Ulhas Bhatt
  • Patent number: 11124473
    Abstract: This application relates, in part, to novel salts represented by the following structure of Formula (1): wherein R1a is selected from the group consisting of hydrogen and optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); R1b is optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); each occurrence of R2 and R3 is independently selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, and optionally substituted aryl; R2 and R3 can combine with each other to form optionally substituted cycloalkyl; each m and n is independently an integer ranging from 1 to 20 (e.g., m and n is independently an integer ranging from 1 to 5); and each of Q1? and Q2? is independently a counterion (e.g., each of Q1? and Q2? is independently a counterion selected from the group consisting of chloride, bromide, fluoride, iodide, acetate, carboxylate, hydrogen sulfate, nitrate, and phenolate, and sulfonate, e.g.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: September 21, 2021
    Assignee: Aditya Birla Chemicals (USA) LLC
    Inventors: Szymon Kosinski, Stefan J. Pastine, Ulhas Bhatt
  • Patent number: 9258996
    Abstract: The present invention relates to a composition comprising a pesticide and an alkoxylate. Moreover, the invention relates to the alkoxylate, to a process for its preparation and to its use as adjuvant in pesticide-comprising spray mixtures. The invention furthermore relates to a method of controlling phytopathogenic fungi and/or undesired vegetation and/or undesired insect or mite attack and/or for regulating the growth of plants, wherein the composition is allowed to act on the respective pests, their environment or the plants to be protected from the respective pest, on the soil and/or on undesirable plants and/or the crop plants and/or their environment. Furthermore, the invention relates to seed comprising the composition.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: February 16, 2016
    Assignee: BASF SE
    Inventors: Paul Klingelhoefer, Sophie Vogel, Kevin Huyghe, Gerd Haderlein, Gerhard Schnabel, Marc Nolte, Richard Roger Evans
  • Patent number: 9062021
    Abstract: The instant invention provides for novel cationic lipids that can be used in combination with other lipid components such as cholesterol and PEG-lipids to form lipid nanoparticles with oligonucleotides. It is an object of the instant invention to provide a cationic lipid scaffold that demonstrates enhanced efficacy along with lower liver toxicity as a result of lower lipid levels in the liver. The present invention employs low molecular weight cationic lipids with one short lipid chain to enhance the efficiency and tolerability of in vivo delivery of siRNA.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: June 23, 2015
    Assignee: SIRNA THERAPEUTICS, INC.
    Inventors: Brian W. Budzik, Steven L. Colletti, Jennifer R. Davis, Ivory D. Hills, Darla Danile Seifried, Matthew G. Stanton
  • Publication number: 20150050295
    Abstract: The present invention provides novel amino-lipids, compositions comprising such amino-lipids and methods of producing them. In addition, lipid nanoparticles comprising the novel amino-lipids and a biologically active compound are provided, as well as methods of production and their use for intracellular drug delivery.
    Type: Application
    Filed: February 12, 2014
    Publication date: February 19, 2015
    Applicant: AXOLABS GMBH
    Inventors: RAINER CONSTIEN, ANKE GEICK, PHILIPP HADWIGER, TORSTEN HANEKE, LUDGER MARKUS ICKENSTEIN, CARLA ALEXANDRA HERNANDEZ PRATA, ANDREA SCHUSTER, TIMO WEIDE
  • Publication number: 20140323548
    Abstract: The instant invention provides for novel cationic lipids that can be used in combination with other lipid components such as cholesterol and PEG-lipids to form lipid nanoparticles with oligonucleotides. It is an object of the instant invention to provide a cationic lipid scaffold that is more efficacious than traditional cationic lipids. The present invention employs amino alcohols to enhance the efficiency of in vivo delivery of siRNA.
    Type: Application
    Filed: July 8, 2014
    Publication date: October 30, 2014
    Inventors: Brian W. BUDZIK, Steven L. COLLETTI, Darla Danile SEIFRIED, Matthew G. STANTON, Lu TIAN
  • Publication number: 20140275475
    Abstract: A process for preparing olefin-CO copolymers with the steps of: providing a reactor; charging the reactor with a gaseous olefin and with CO, such that there is a first pressure p1 in the reactor; and reacting olefin with CO in the presence of a catalyst in the reactor. Prior to the reaction, either no CO is present in the reactor or the volume ratio of gaseous olefin to CO is ?90:10. During the reaction, gaseous olefin and CO are metered in at least intermittently, with an average over time of the volume ratio of the olefin metered into CO metered in of ?90:10.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Thomas Ernst Müller, Christoph Gürtler, Walter Leitner, Henning Vogt, Saeeda Soomro
  • Publication number: 20140256998
    Abstract: Anti-agglomerants for gas hydrates, comprising alkoxylated and/or acylated non-quaternary nitrogen-containing compounds, method for inhibiting the agglomeration of gas hydrates in a conduit, and compositions comprising the gas hydrate anti-agglomerant, a corrosion inhibitor and/or a paraffin deposition inhibitor.
    Type: Application
    Filed: May 20, 2014
    Publication date: September 11, 2014
    Applicant: AKZO NOBEL N.V.
    Inventors: Martin HELLSTEN, Hans OSKARSSON
  • Patent number: 8822729
    Abstract: A method for providing a secondary or tertiary amine with formula (R1R2NR3)2NR4 is provided, wherein each of R1 and R2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R3 being an alkoxyalkyl group chosen from the group consisting of —CH2CH2OCH2CH2—, —CH2CH2OCH2CH2— and —CH2CH2CH2OCH2CH2CH2—; R4 is chosen from the group consisting of a hydrogen, a methyl group, an ethyl group, an iso-propyl group, an n-propyl group and a group with formula R1R2NR3. The method comprises the steps: (?) reacting R1R2NR3(OH) with ammonia, thereby providing a mixture comprising (R1R2NR3)2NR4; (?) separating (R1R2NR3)2NR4 from said mixture.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 2, 2014
    Assignees: Huntsman International LLC, Huntsman Corporation Hungary Zrt
    Inventors: Zsolt Gaspar, Heiko H. Humbert, Gabor Felber, Attila Gaspar, Robert A Grigsby, Jr., Imre Kordas, Petra Emma Vanderstraeten
  • Patent number: 8802896
    Abstract: Disclosed is a polyether compound which is useful as a curing agent or the like, a curing agent using the compound and a producing method of the compound. The polyether compound of the present invention is represented by the following general formula (1). (In the formula, R1 represents a hydrogen atom or a methyl group and R2 represents a hydrogen atom or —C(?O)—C(R3)?CH2. R3 represents a hydrogen atom or a methyl group. R1, R2 and R3 may be the same as or different from each other.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: August 12, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Akihito Amao, Hirotaka Kitagawa
  • Patent number: 8802863
    Abstract: The instant invention provides for novel cationic lipids that can be used in combination with other lipid components such as cholesterol and PEG-lipids to form lipid nanoparticles with oligonucleotides. It is an object of the instant invention to provide a cationic lipid scaffold that is more efficacious than traditional cationic lipids. The present invention employs amino alcohols to enhance the efficiency of in vivo delivery of siRNA.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: August 12, 2014
    Assignee: Sirna Therapeutics, Inc.
    Inventors: Brian W. Budzik, Steven L. Colletti, Darla Danile Seifried, Matthew G. Stanton, Lu Tian
  • Publication number: 20140213637
    Abstract: New cationic lipids are provided that are useful for delivering macromolecules, such as nucleic acids, into eukaryotic cells. The lipids can be used alone, in combination with other lipids and/or in combination with other transfection enhancing reagents to prepare transfection complexes.
    Type: Application
    Filed: October 16, 2013
    Publication date: July 31, 2014
    Applicant: Molecular Transfer Inc.
    Inventors: Joel Jessee, Gulilat Gebeyehu
  • Publication number: 20140209510
    Abstract: Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.
    Type: Application
    Filed: January 30, 2014
    Publication date: July 31, 2014
    Applicant: ECOLAB USA INC.
    Inventors: Ryan Matthew Harrington, Prakasa Rao Anantaneni, Lawrence J. Karas, Kekeli Ekoue-Kovi
  • Publication number: 20140170175
    Abstract: The present invention provides novel amino-lipids, compositions comprising such amino-lipids and methods of producing them. In addition, lipid nanoparticles comprising the novel amino-lipids and a biologically active compound are provided, as well as methods of production and their use for intracellular drug delivery.
    Type: Application
    Filed: February 12, 2014
    Publication date: June 19, 2014
    Applicant: AXOLABS GMBH
    Inventors: RAINER CONSTIEN, ANKE GEICK, PHILIPP HADWIGER, TORSTEN HANEKE, LUDGER MARKUS ICKENSTEIN, CARLA ALEXANDRA HERNANDEZ PRATA, ANDREA SCHUSTER, TIMO WEIDE
  • Publication number: 20140171320
    Abstract: The present invention relates to a composition comprising a pesticide and an alkoxylate. The invention further relates to the alkoxylate, to a method for the production thereof and to the use thereof as adjuvant in pesticide-comprising spray mixtures. The invention further relates to a method for controlling phytopathogenic fungi and/or undesirable plant growth and/or undesirable insect or mite infestation and/or for regulating the growth of plants, wherein the composition is allowed to act on the respective pests, the habitat thereof or the plants to be protected from the respective pest, on the soil and/or on undesirable plants and/or the crop plants and/or the habitat thereof. Furthermore, the invention relates to seed comprising the composition.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 19, 2014
    Applicant: BASF SE
    Inventors: Frederic Bauer, Paul Klingelhoefer, Christof Wilhelm Wigbers, Eva-Maria Reis-Walther
  • Patent number: 8754153
    Abstract: The present invention relates to a non-thermosetting composition made by reacting epichlorohydrin and a primary amine, to the use of that composition for making thermosetting (curable) adhesives suitable for bonding composites, to a method of preparing composites using the thermosetting (curable) adhesives, and to the related composites bonded with the thermosetting (curable) adhesives.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: June 17, 2014
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Bobby Lee Williamson, Richard M. Rammon
  • Publication number: 20140162934
    Abstract: The present invention provides novel amino-lipids, compositions comprising such amino-lipids and methods of producing them. In addition, lipid nanoparticles comprising the novel amino-lipids and a biologically active compound are provided, as well as methods of production and their use for intracellular drug delivery.
    Type: Application
    Filed: February 12, 2014
    Publication date: June 12, 2014
    Applicant: AXOLABS GMBH
    Inventors: Rainer CONSTIEN, Anke Geick, Philipp Hadwiger, Torsten Haneke, Ludger Markus Ickenstein, Carla Alexandra Hernandez Prata, Andrea Schuster, Timo Weide
  • Patent number: 8748667
    Abstract: The instant invention provides for novel cationic lipids that can be used in combination with other lipid components such as cholesterol and PEG-lipids to form lipid nanoparticles with oligonucleotides. It is an object of the instant invention to provide a cationic lipid scaffold that demonstrates enhanced efficacy along with lower liver toxicity as a result of lower lipid levels in the liver. The present invention employs low molecular weight cationic lipids with one short lipid chain to enhance the efficiency and tolerability of in vivo delivery of siRNA.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: June 10, 2014
    Assignee: SIRNA Therapeutics, Inc.
    Inventors: Brian W. Budzik, Steven L. Colletti, Jennifer R. Davis, Ivory D. Hills, Darla Danile Seifried, Matthew G. Stanton
  • Publication number: 20140155655
    Abstract: A method for providing a secondary or tertiary amine with formula (R1R2NR3)2NR4 is provided, wherein each of R1 and R2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R3 being an alkoxyalkyl group chosen from the group consisting of —CH2CH2OCH2CH2-, —CH2CH2OCH2CH2- and —CH2CH2CH2OCH2CH2CH2-; R4 is chosen from the group consisting of a hydrogen, a methyl group, an ethyl group, an iso-propyl group, an n-propyl group and a group with formula R1R2NR3. The method comprises the steps: (?) reacting R1R2NR3(OH) with ammonia, thereby providing a mixture comprising (R1R2NR3)2NR4; (?) separating (R1R2NR3)2NR4 from said mixture.
    Type: Application
    Filed: December 12, 2013
    Publication date: June 5, 2014
    Applicants: Huntsman Corporation Hungary ZRt, Huntsman International LLC
    Inventors: Zsolt Gaspar, Heiko H. Humbert, Gabor Felber, Attila Gaspar, Robert A Grigsby, JR., Imre Kordas, Petra Emma Vanderstraeten
  • Publication number: 20140134260
    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 in vivo. The compositions of the present invention are highly potent, thereby allowing effective know-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: Application
    Filed: October 1, 2013
    Publication date: May 15, 2014
    Applicant: Protiva Biotherapeutics, Inc.
    Inventors: James Heyes, Lorne Palmer, Magdalena Maslowski, Ian MacLachlan
  • Patent number: 8722936
    Abstract: A compound having formula (I) wherein R1, R2, R3, R4, R5 and R6 independently are hydrogen, C1-C10 alkyl, C5-C10 cycloalkyl, C6-C10 aryl or C7-C20 aralkyl; X is a difunctional group selected from the group consisting of C2-C20 alkyl, C5-C20 cycloalkyl, C6-C10 aryl, C8-C20 aryl alkyl, C4-C20 heteroalkyl or C10-C20 aryl heteroalkyl.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: May 13, 2014
    Assignee: ANGUS Chemical Company
    Inventor: Raymond John Swedo
  • Publication number: 20140128335
    Abstract: The present invention relates to the use of polyaminoisoprenyl derivatives in antibiotic or antiseptic treatment of bacteria including those presenting multiple drug resistance (MDR), in particular as efflux pump inhibitors. It also relates to novel polyaminoisoprenyl derivatives, compositions comprising the same, process for preparing the same, and use thereof in antibiotic or antiseptic treatment.
    Type: Application
    Filed: February 23, 2012
    Publication date: May 8, 2014
    Applicants: UNIVERSITE D'AIX-MARSEILLE, UNIVERSITE DE CORSE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Jean-Michel Bolla, Jean Michel Brunel, Joseph Pierre Felix Casanova, Vannina Lorenzi, Liliane Berti
  • Publication number: 20140100390
    Abstract: Disclosed is a polyether compound which is useful as a curing agent or the like, a curing agent using the compound and a producing method of the compound. The polyether compound of the present invention is represented by the following general formula (1). (In the formula, R1 represents a hydrogen atom or a methyl group and R2 represents a hydrogen atom or —C(?O)—C(R3)?CH2. R3 represents a hydrogen atom or a methyl group. R1, R2 and R3 may be the same as or different from each other.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 10, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Akihito AMAO, Hirotaka KITAGAWA
  • Patent number: 8680338
    Abstract: A method for adjusting pH in an aqueous coating composition having an initial pH less than 7 by adding to the aqueous coating composition a compound having formula (V) wherein R2 and R3 independently are hydrogen, methyl, ethyl, hydroxymethyl, or R2 and R3 combine with a carbon to which they are attached to form a five-membered or six-membered saturated carbocyclic ring; R4 is hydrogen or C1-C4 alkyl; R5 is hydrogen, methyl, ethyl or hydroxymethyl; R6 is hydrogen, hydroxyethyl, C1-C10 alkyl or —CH2C(R5)(N(R7)2)CH2OH; and R7 is hydrogen or methyl.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: March 25, 2014
    Assignee: ANGUS Chemical Company
    Inventors: Ian A. Tomlinson, Asghar A. Peera
  • Publication number: 20140081019
    Abstract: The present invention relates to a process for deuteration of amines in the alpha and/or beta position of the N-atom by using a deuterium source and a Ruthenium(II) based catalyst.
    Type: Application
    Filed: May 21, 2012
    Publication date: March 20, 2014
    Applicant: SANOFI
    Inventors: Jens Atzrodt, Volker Derdau, Wolfgang Holla, Matthias Beller, Lorenz Neubert, Dirk Michalik
  • Patent number: 8609900
    Abstract: The present invention is in relation to a dendritic molecule having symmetrically sited branches having four or more generations of dendrimers wherein the branch points are tertiary amines linked together with oxygen atom of ether and the heteroatoms are separated by a substituted or non-substituted linear three methylene linker. In addition the invention also provides a process to prepare such dendritic macromolecules.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: December 17, 2013
    Assignee: Indian Institute of Science
    Inventors: Jayaraman Narayanaswamy, Jayamurugan Govindasamy
  • Publication number: 20130324764
    Abstract: Disclosed herein are hardeners for use in making cleavable epoxy compositions, including compositions wherein components in contact with epoxy composition can be recovered, as well as methods of making such hardeners.
    Type: Application
    Filed: June 5, 2013
    Publication date: December 5, 2013
    Inventor: Stefan J. PASTINE
  • Publication number: 20130324451
    Abstract: The present invention relates to an ethoxylated polyethylenimine polymer comprising (1) a polyethyleneimine backbone, (2) a polyoxyethylene chain wherein the polyoxyethylene chain has an average of 40 to 90 ethyleneoxide units per unit of NH in the polyethyleneimine backbone, (3) a quaternization degree of from 1% to less than 50%.
    Type: Application
    Filed: May 9, 2013
    Publication date: December 5, 2013
    Applicant: BASF SE
    Inventor: BASF SE
  • Publication number: 20130312636
    Abstract: Compound of Formula (1); wherein: Zw is an organic radical comprising w amino groups, in which w is a number and 5?w?3,000; A and B are independently oxy-C1-C20-alcylene carbonyl groups or oxy-C2-C20-alkenylene carbonyl groups derived from hydroxy carboxylic acids or lactones; T is hydrogen or R—CO—, where R is a C1-C50 hydrocarbyl group; Y is a C3-C4-alkylene radical linked to an amino group of Zw; Y? is an ionic salt link between an amino group of Zw and the terminal carbonyl of (A)r-(B)p-T; r and p are independently numbers between 0 and 50 and r+p>2; s, m and v are numbers; 0.99w ?s+m?2w; and 0.3w ?s+v?2w are suitable as dispersants and milling aids.
    Type: Application
    Filed: February 6, 2012
    Publication date: November 28, 2013
    Inventors: Dario Fornara, Alan Nappa, Tamara Verzotti, Paolo Prampolini, Stefano Crespi, Giovanni Floridi, Giuseppe Li Bassi
  • Publication number: 20130280305
    Abstract: The present invention provides a cationic lipid, which allow nucleic acids to be easily introduced into cells, represented by formula (I) (wherein: R1 and R2 are, the same or different, alkenyl, etc, and X1 and X2 are hydrogen atoms, or are combined together to form a single bond or alkylene, and X3 is absent or is alkyl, etc, Y is absent or anion, a and b are, the same or different, 0 to 3, and L3 is a single bond, etc, R3 is alkyl, etc, L1 and L2 are —O—, —CO—O— or —O—CO—), a composition comprising the cationic lipid and a nucleic acid, and a method for introducing a nucleic acid into a cell by using the composition comprising the cationic lipid and the nucleic acid, and the like.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 24, 2013
    Inventors: Takeshi KUBOYAMA, Tomohiro ERA, Tomoyuki NAOI, Nobuhiro YAGI
  • Publication number: 20130261199
    Abstract: The invention relates to a primary amine component corresponding to formula I being (R1R2NR3)2NR4 wherein each of R1 and R2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R3 being an alkoxyalkyl group chosen from the group consisting of —CH2CH2OCH2CH2—, —CH2CH2OCH2CH2CH2— and —CH2CH2CH2OCH2CH2CH2—; R4 is chosen from the group consisting of a hydrogen and —CH2CH2CH2NH2, and the use of said primary amine component corresponding to Formula I as a blowing catalyst of a catalyst system in a reaction of at least one polyisocyanate component and at least one isocyanate-reactive component, the catalyst system further comprising at least one gelling catalyst different from said component of formula I.
    Type: Application
    Filed: November 22, 2011
    Publication date: October 3, 2013
    Applicant: Huntsman Corporation Hungary ZRt
    Inventors: Zsolt Gaspar, Heiko Heinrich Humbert, Gabor Felber, Attila Gaspar, Robert Allison Grigsby, JR., Imre Kordas, Petra Emma Vanderstraeten
  • Patent number: 8546616
    Abstract: The object of the invention are compounds of the formula (2) wherein R1 is H, methyl or ethyl, R2 is C1- to C4 alkyl, A is a C2- to C4 alkylene group, m is number from 10 to 400, n is 1, 2, 3, 4, or 5, a method for their production and their use in the production of polyurethane prepolymers.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: October 1, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Klaus Poellmann, Juergen Muenter
  • Publication number: 20130245204
    Abstract: Compounds of formula I, uses as crosslinking agents or curing agents thereof, and resins obtained by using the compounds as crosslinking agents.
    Type: Application
    Filed: July 8, 2011
    Publication date: September 19, 2013
    Applicant: CONNORA TECHNOLOGIES, INC.
    Inventors: Stefan J. Pastine, Bo Liang, Bing Qin
  • Patent number: 8481788
    Abstract: The present invention aims to provide a method for producing a polyalkylene oxide, which is capable of improving reduction in reactivity of a double metal cyanide complex catalyst in the case that a low molecular weight initiator is used, and producing the polyalkylene oxide with high productivity at low cost. The method for producing a polyalkylene oxide comprises carrying out a ring-opening addition reaction of an alkylene oxide with an initiator having at least one hydroxy group and having a molecular weight of not more than 300 per hydroxy group in the presence of a double metal cyanide complex catalyst in an organic solvent, wherein the organic solvent is used in an amount of 500 to 1,500 parts by weight relative to 100 parts by weight of the alkylene oxide used at the start of the reaction.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: July 9, 2013
    Assignee: Kaneka Corporation
    Inventors: Hidetoshi Odaka, Takuya Maeda, Kiyotaka Bito, Michihide Homma
  • Publication number: 20130165682
    Abstract: The present invention relates to a method for the synthesis of an ? amino acetal, comprising (i) oxidizing a tertiary amine in the presence of a copper catalyst, at least one oxidant and a solvent, or (ii) reacting a secondary amine and an aliphatic aldehyde in the presence of a copper catalyst, at least one oxidant and a solvent.
    Type: Application
    Filed: July 6, 2011
    Publication date: June 27, 2013
    Applicant: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Teck Peng Loh, Jiesheng Tian
  • Publication number: 20130126429
    Abstract: Methods for making sulfide scavenging compositions are provided. The compositions are secondary amine-formaldehyde adduct (SAFA) scavengers comprising less than about 40 wt % N-methyl secondary amines therein. The methods include reacting secondary amines with formaldehyde. Methods for removing sulfides from fluid streams are also provided. The methods include adding secondary amine-formaldehyde adduct (SAFA) scavengers to fluid streams. SAFA scavengers comprising less than about 40 wt % N-methyl secondary amines of the total weight of SAFA scavengers are also disclosed.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 23, 2013
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Ping Lue, Gregory Kaplan
  • Publication number: 20130108685
    Abstract: The present invention provides a cationic lipid, which allow nucleic acids to be easily introduced into cells, represented by formula (I) (wherein: R1 and R2 are, the same or different, alkenyl, etc, and X1 and X2 are hydrogen atoms, or are combined together to form a single bond or alkylene, and X3 is absent or is alkyl, etc, Y is absent or anion, a and b are, the same or different, 0 to 3, and L3 is a single bond, etc, R3 is alkyl, etc, L1 and L2 are —O—, —CO—O— or —O—CO—), a composition comprising the cationic lipid and a nucleic acid, and a method for introducing a nucleic acid into a cell by using the composition comprising the cationic lipid and the nucleic acid, and the like.
    Type: Application
    Filed: April 28, 2011
    Publication date: May 2, 2013
    Inventors: Takeshi Kuboyama, Tomohiro Era, Tomoyuki Naoi
  • Publication number: 20130090372
    Abstract: The instant invention provides for novel cationic lipids that can be used in combination with other lipid components such as cholesterol and PEG-lipids to form lipid nanoparticles with oligonucleotides. It is an object of the instant invention to provide a cationic lipid scaffold that demonstrates enhanced efficacy along with lower liver toxicity as a result of lower lipid levels in the liver. The present invention employs low molecular weight cationic lipids with one short lipid chain to enhance the efficiency and tolerability of in vivo delivery of siRNA.
    Type: Application
    Filed: May 31, 2011
    Publication date: April 11, 2013
    Inventors: Brian W. Budzik, Steven L. Colletti, Jennifer R. Davis, Ivory D. Hills, Darla Danile Seifried, Matthew G. Stanton
  • Publication number: 20130053572
    Abstract: The instant invention provides for novel cationic lipids that can be used in combination with other lipid components such as cholesterol and PEG-lipids to form lipid nanoparticles with oligonucleotides. It is an object of the instant invention to provide a cationic lipid scaffold that is susceptible to hydrolytic instability that may translate into reduced liver residence times and reduced hepatocellular toxicity. The present invention employs acetals and ketals to provide a low pH sensitive chemical handle for degradation.
    Type: Application
    Filed: January 19, 2011
    Publication date: February 28, 2013
    Inventors: Steven L. Colletti, Zhengwu James Deng, Matthew G. Stanton, Weimin Wang, Ivory Hills
  • Publication number: 20130053378
    Abstract: The present invention relates to nordihydroguaiaretic acid derivative compounds, namely, butane bridge modified nordihydroguaiaretic acid (NDGA) compounds and butane bridge modified tetra-O-substituted NDGA compounds, pharmaceutical compositions containing them, methods of making them, and methods of using them and kits including them for the treatment of diseases and disorders, in particular, diseases resulting from or associated with a virus infection, such as HIV infection, HPV infection, or HSV infection, an inflammatory disease, such as various types of arthritis and inflammatory bowel diseases, metabolic diseases, such as diabetes and hypertension, or a proliferative disease, such as diverse types of cancers.
    Type: Application
    Filed: July 30, 2012
    Publication date: February 28, 2013
    Applicant: Erimos Pharmaceuticals LLC
    Inventors: Qingqi Chen, Jonathan Daniel Heller, Rocio Alejandra Lopez, Amanda Jean Morris
  • Patent number: 8367846
    Abstract: The present invention provides a method of producing 2-alkyl-3-aminothiophene derivative represented by Formula (4), the method comprising oxidizing a compound represented by the following Formula (1) to produce a compound represented by the following Formula (3) and reducing the compound represented by the following Formula (3): wherein in Formula (1), Formula (3), and Formula (4), R represents an alkyl group, a cycloalkyl group, or a bicycloalkyl group; and X represents a hydroxyl group, a halogen atom acyloxy group, an alkylsulfonyl group, or an arylsulfonyl group.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: February 5, 2013
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Yasuaki Fukazawa, Yoji Aoki, Haruko Mita, Hironori Komatsu
  • Patent number: 8350087
    Abstract: There is provided a polymer comprising blocks of at least one polyethylene glycol) block, at least one poly(propylene glycol) block and at least one poly(hydroxybutyrate) block. Also provided is a method of making the polymer and a method of using the polymer.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: January 8, 2013
    Assignees: Agency for Science, Technology and Research, National University of Singapore
    Inventors: Jun Li, Xian Jun Loh, Suat Hong Goh
  • Publication number: 20120202871
    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: Application
    Filed: June 30, 2010
    Publication date: August 9, 2012
    Inventors: James Heyes, Lorne Palmer, Magdalena Maslowski, Ian MacLachlan
  • Publication number: 20120196923
    Abstract: Disclosed herein are polymers that can be made cationic and used to deliver a substance into a cell. Also disclosed are pharmaceutical compositions comprising the polymers and methods of using the polymers.
    Type: Application
    Filed: May 17, 2010
    Publication date: August 2, 2012
    Inventors: Kaushal Rege, Ravindra S. Kane, Steven M. Cramer, Sutapa Barua
  • Publication number: 20120184778
    Abstract: In another exemplary embodiment, an amine functional curing agent has an Amine Hydrogen Functionality (AHF) of at least 7 and an Amine-Hydrogen Equivalent Weight (AHEW) of at least about 50.
    Type: Application
    Filed: March 26, 2012
    Publication date: July 19, 2012
    Applicant: HUNTSMAN CORPORATION
    Inventors: Bruce L. Burton, Terry L. Renken
  • Publication number: 20120157620
    Abstract: The invention relates to amine-epoxy adducts with symmetrical and asymmetrical structures based on one hand on aliphatic, cycloaliphatic, araliphatic or aromatic mono-, di- and triamines, and on the other hand on aliphatic, cycloaliphatic and aromatic, mono-, di- or polyepoxy compounds, having an average molecular mass (Mn) of more than 300, but less than 8000, preferably less than 6000, containing at least one, preferably on an average more than one alcoholic hydroxyl group per molecule which is formed in the course of the epoxy-amine reaction, which contain at least two amino groups per molecule being able to react with isocyanate groups, among those maximum one is primary amine, the adduct molecules are of polymeric character and their viscosity is ?300 mPas at 70° C. The invention also relates to the process for the preparation of these adducts, and to their use for preparing sprayable polyurea and polyurea-polyurethane coatings.
    Type: Application
    Filed: August 24, 2010
    Publication date: June 21, 2012
    Inventors: Gábor Nagy, Ferenc Balázs, György Cselik
  • Publication number: 20120149794
    Abstract: The present invention provides compounds produced by the reaction of glycidyl ethers and glycidyl esters with ether compounds including N,N,N?-trimethyl-bis-(aminoethyl)ether. N,N,N?-trimethyl-bis-(aminoethyl)ether and its derivatives can be used as polyurethane catalysts.
    Type: Application
    Filed: February 22, 2012
    Publication date: June 14, 2012
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Juan Jesus Burdeniuc, Stephan Herman Wendel, John William Mitchell
  • Publication number: 20120122678
    Abstract: The present invention relates to 3-substituted phenylamidines of the general formula (I), to a process for their preparation, to the use of the amidines according to the invention for controlling unwanted microorganisms and also to a composition for this purpose, comprising the phenoxyamidines according to the invention. Furthermore, the invention relates to a method for controlling unwanted microorganisms by applying the compounds according to the invention to the microorganisms and/or their habitat.
    Type: Application
    Filed: January 26, 2012
    Publication date: May 17, 2012
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Klaus KUNZ, Ralf Dunkel, Jörg Nico Greul, Kerstin Ilg, Birgit Kuhn, Wahed Ahmed Moradi, Thomas Seitz, Darren James Mansfield, Oliver Guth, Peter Dahmen, Ulrike Wachendorff-Neumann, Arnd Voerste, Dale Robert Mitchell, Tom Hough, Jean-Pierre Vors
  • Patent number: 8178726
    Abstract: In another exemplary embodiment, an amine functional curing agent has an Amine Hydrogen Functionality (AHF) of at least 7 and an Amine-Hydrogen Equivalent Weight (AHEW) of at least about 50.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: May 15, 2012
    Assignee: Huntsman Petrochemical LLC
    Inventors: Bruce L. Burton, Terry L. Renken
  • Patent number: 8158827
    Abstract: Disclosed are cationic lipid compounds and compositions of lipid aggregates for delivery of macromolecules and other compounds into cells. The compounds can be used alone or in combination with other compounds to prepare liposomes and other lipid aggregates suitable for transfection or delivery of compounds to target cells, either in vitro or in vivo. The compounds are preferably polycationic and preferably form highly stable complexes with various anionic macromolecules, particularly polyanions such as nucleic acids. These compounds have the property, when dispersed in water, of forming lipid aggregates which associate strongly, via their cationic portion, with polyanions. Also disclosed are intermediates for preparing the compound and compositions of the invention and methods of using the compounds to introduce other compounds into cells.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: April 17, 2012
    Assignee: Life Technologies Corporation
    Inventors: Yongliang Chu, Malek Masoud, Gulilat Gebeyehu