Carboxylic Acid Contains Two Or More Carboxyl Groups Patents (Class 526/318.2)
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Patent number: 12060506Abstract: Recovery times of flexible polyurethane foams are increased by treatment with a pressure sensitive adhesive. An emulsion or dispersion of the adhesive in an aqueous carrier liquid is impregnated into the foam, with subsequent removal of the carrier. This invention is of special interest when the glass transition temperature of the starting foam is 16° C. or lower.Type: GrantFiled: March 8, 2019Date of Patent: August 13, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Kaoru Aou, William A. Koonce, Qinghao Meng, Christopher Thiede, William Griffith, Jr.
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Patent number: 11849782Abstract: A respiratory face mask having a breathing cartridge therein which face mask breathing cartridge can both filter the breathing air while passing the breathing air through a voltage being generated by the cartridge. The cartridge generates a galvanic cell using spaced apart dissimilar metal particles when immersed in an electrolyte being held by an adjacent hydration layer of liquid retaining foamed polymer having breathing passageways therethrough.Type: GrantFiled: September 11, 2020Date of Patent: December 26, 2023Assignee: AMERICAN BIOMEDICAL GROUP INC.Inventors: Scott A Cohen, Michael B. Tyberghein
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Patent number: 11739223Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.Type: GrantFiled: May 10, 2022Date of Patent: August 29, 2023Assignee: ENVISTAInventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
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Patent number: 11661536Abstract: Pressure-sensitive adhesive compositions are described comprising polymerized units of (meth)acrylate monomer. Also described are articles comprising such pressure-sensitive adhesive composition.Type: GrantFiled: February 26, 2019Date of Patent: May 30, 2023Assignee: 3M Innovative Properties CompanyInventors: Kevin M. Lewandowski, Ross E. Behling, Jason D. Clapper, Bryan T. Whiting
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Patent number: 11384187Abstract: The present invention is related to the process of obtaining random terpolymers based on itaconic acid or its isomers, aconitic acid or their isomers and sodium alkenyl sulphonates, through a polymerization in aqueous solution, via free radicals at acid pH in the range of 1.0 to 3.5 and as initiator a redox system. The random terpolymers are characterized for being tolerant to high concentrations of divalent ions, such as calcium, magnesium, strontium and barium. Their use as inhibitors of mineral scale such as calcium carbonate, calcium sulphate, strontium and barium, and clay dispersing, iron oxides, carbonate and calcium sulfate allows for their application in the reservoir or production rig, treated water, sea water and/or connate water can be used as means of transportation. The terpolymer can be used to inhibit and disperse mineral scales present in cooling system and boiler employed in the chemical and oil industry, and is compliant with environmental standards established internationally.Type: GrantFiled: March 13, 2015Date of Patent: July 12, 2022Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Mirna Pons Jiménez, Raúl Hernández Altamirano, José Manuel Martínez Magadan, Alejandro Ramirez Estrada, Luis Silvestre Zamudio Rivera
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Patent number: 11193000Abstract: This invention provides a self-healable epoxy resin and its preparation, recycling and remolding method. With the catalyst of potassium iodide, an ester solution of 2-mercaptoacetic acid was oxidated by 30% H2O2 to form 2,2?-dithiodiacetic acid; then 2,2?-dithiodiacetic acid was dehydrated and cyclizated by anhydride to form 1,4,5-oxadithiepane-2,7-dione; 1,4,5-oxadithiepane-2,7-dione and methylhexahydrophthalic anhydride were mixed by mass ratio and cured with epoxides to get the self-healable epoxy resin. Through controlling dynamic and permanent three-dimensional crosslinked network, the self-healable epoxy resins provided in this invention exhibit high thermal resistance and improved mechanical properties as well as excellent self-healing ability, recyclability and remoldability. This invention provides a preparation method with the merits of low cost, simple production processes, broad application prospects and strong utility.Type: GrantFiled: February 27, 2018Date of Patent: December 7, 2021Assignee: SOOCHOW UNIVERSITYInventors: Guozheng Liang, Youhao Zhang, Aijuan Gu, Li Yuan
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Patent number: 9499657Abstract: Binder for granular and/or fibrous substrates.Type: GrantFiled: May 26, 2011Date of Patent: November 22, 2016Assignee: BASF SEInventor: Michael Kalbe
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Publication number: 20150119541Abstract: A process for the production of methacrylic acid or esters thereof by the base catalysed decarboxylation of at least one dicarboxylic acid selected from itaconic, citraconic or mesaconic acid or mixtures thereof in an aqueous reaction medium is described. The decarboxylation is carried out at a temperature in the range from 200° C. and up to 239° C. The methacrylic acid is isolated from the aqueous reaction medium by a purification process which does not include introducing an organic solvent to the aqueous reaction medium for solvent extraction of the methacrylic acid into an organic phase. A method of preparing polymers or copolymers of methacrylic acid or methacrylic acid esters is also described.Type: ApplicationFiled: April 26, 2013Publication date: April 30, 2015Inventors: Graham Ronald Eastham, David William Johnson, Mark Waugh
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Patent number: 9006346Abstract: The present invention provides a resin composition for a golf ball and a golf ball which have high resilience while maintaining soft compression and also have low spin on driver shots, and therefore can achieve a long flight distance. The present invention relates to a resin composition for a golf ball, including an ionomer resin consisting of a metal ion-neutralized copolymer of (A) a C3-8 ?,?-unsaturated carboxylic acid and (B) a C3-8 ?,?-unsaturated carboxylic acid ester, the ionomer resin having a mass ratio of (A)/(B) of 10/90 to 25/75, and a degree of neutralization of 30 to 105 mol %.Type: GrantFiled: December 26, 2012Date of Patent: April 14, 2015Assignee: Dunlop Sports Co., Ltd.Inventors: Kazuki Shiga, Ryo Murakami, Yoshiyuki Ikeda
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Publication number: 20150094438Abstract: A process for the production of methacrylic acid by the base catalysed decarboxylation of at least one dicarboxylic acid selected from itaconic, citraconic or mesaconic acid or mixtures thereof is described. The decarboxylation is carried out at a temperature in the range from 100 to 199° C. A method of preparing polymers or copolymers of methacrylic acid or methacrylic acid esters is also described.Type: ApplicationFiled: April 26, 2013Publication date: April 2, 2015Inventors: Graham Ronald Eastham, David William Johnson, Mark Waugh
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Publication number: 20150044125Abstract: An acrylic-fiber finish for carbon fiber production is prepared into a stable emulsion and applied to a carbon-fiber precursor to prevent gumming up of finish components in precursor production and carbon fiber fusing in baking process. The acrylic-fiber finish is used for carbon-fiber production and includes a modified silicone having a modifying group containing a nitrogen atom and an acidic phosphate ester represented by the following chemical formula (1). where R1 represents a C6-22 alkyl or alkenyl group, A represents a C2-4 alkylene group, and AO represents an oxyalkylene group, n represents a mole number of oxyalkylene group and is an integer ranging from 0 to 20, and each of a and b is an integer of 1 or 2 and meets the equation a+b=3.Type: ApplicationFiled: February 14, 2013Publication date: February 12, 2015Applicant: MATSUMOTO YUSHI-SEIYAKU CO., LTD.Inventors: Yoshio Hashimoto, Takeyoshi Nakayama, Jun Takaya, Mikio Nakagawa
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Patent number: 8911516Abstract: A quaternized copolymer obtainable by: (A) copolymerization of straight-chain, branched or cyclic, ethylenically unsaturated C2 to C100 hydrocarbons, which may bear oxygen- or nitrogen-functional substituents which cannot be reacted with amines to give amides or imides or with alcohols to give esters, with ethylenically unsaturated C3- to C12-mono- or dicarboxylic acids or acid derivatives, which can be reacted with amines to give amides or imides or with alcohols to give esters, to give a copolymer with a number-average molecular weight of 500 to 20 000; (B) partial or full amidation or imidation or esterification of the carboxylic acid functions by reacting them with oligoamines having 2 to 6 nitrogen atoms or alcoholamines, each of which comprises primary or secondary nitrogen atom or a hydroxyl group and a quaternizable tertiary nitrogen atom; (C) partial or full quaternization of the tertiary nitrogen atom with a quaternizing agent.Type: GrantFiled: June 24, 2011Date of Patent: December 16, 2014Assignee: Basf SEInventors: Wolfgang Grabarse, Hannah Maria Koenig, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel, Harald Boehnke
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Patent number: 8901223Abstract: This invention relates to polymers containing structural units derived from itaconic acid which are useful as binders for fiberglass.Type: GrantFiled: December 1, 2011Date of Patent: December 2, 2014Assignee: Lubrizol Advanced Materials, Inc.Inventors: John Ta-Yuan Lai, Gary A. Anderle, Ti Chou
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Publication number: 20140296463Abstract: This invention relates to polymers containing structural units derived from itaconic acid which are useful, including uses as binders for fiberglass.Type: ApplicationFiled: March 27, 2013Publication date: October 2, 2014Applicant: Lubrizol Advanced Materials, Inc.Inventors: John Ta-Yuan Lai, Gary A. Anderle, Ti Chou
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Patent number: 8846821Abstract: The object of the present invention is to provide a silicone-based copolymer which has excellent long-term antifouling property even in a dry-wet alternate portion of a ship and the like or a portion thereof near the surface of water, is excellent also in mechanical strength and recoatability and exhibits high antifouling performance even if an antifouling agent is not added, and an antifouling coating composition containing the copolymer.Type: GrantFiled: December 16, 2010Date of Patent: September 30, 2014Assignee: Chugoku Marine Paints, Ltd.Inventors: Takaharu Doumae, Yoshio Yamada, Masaaki Oya, Fumio Hamazu, Makoto Tsuboi
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Patent number: 8822589Abstract: Process for the preparation of aqueous formulations, wherein (A) at least one ethylenically unsaturated carboxylic acid, (B) at least one heterocyclic comonomer having at least one permanent cationic charge per molecule and (C-P1) at least one ethylenically unsaturated dicarboxylic acid or its anhydride are subjected to free radical copolymerization with one another in an aqueous medium and, shortly before the end or after the end of the copolymerization, further ethylenically unsaturated dicarboxylic acid (C-P2) or its anhydride is added.Type: GrantFiled: August 8, 2008Date of Patent: September 2, 2014Assignee: BASF SEInventors: Markus Brym, Stephan Hueffer, Audrey Renoncourt, Ulrike Mahn, Franz Glocknitzer, Alexandra Bruhn
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Patent number: 8815972Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.Type: GrantFiled: May 21, 2013Date of Patent: August 26, 2014Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Osman Rathore, Zohra Fadli, Mark Lada, James D. Ford, Azaam Alli, Yongcheng Li
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Publication number: 20140235809Abstract: A rheology modifier copolymer of formula (I) wherein A is a polyacidic vinyl monomer selected from maleic, fumaric, itaconic, citraconic and acid combinations thereof and anhydrides and salts thereof, B is an acrylic or methacrylic acid or salt thereof; C is a C1-C8 ester of (meth)acrylic acid; D is an associative monomer; and optionally E is a crosslinking monomer.Type: ApplicationFiled: September 24, 2012Publication date: August 21, 2014Applicant: Conopco, Inc., d/b/a UNILEVERInventors: Adam Peter Jarvis, Adam John Limer, Jean-Philippe Andre Roger Courtois, Martin Swanson Vethamuthu
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Publication number: 20140175348Abstract: The present invention provides a polymer compound represented by the following Formula (1) and a method for production thereof, a pigment dispersant, a pigment dispersion composition, and a photocurable composition respectively using the polymer compound, and a color filter and a method for production thereof [R1: an organic linking group having a valency of (m+n); R2: a single bond or a divalent organic linking group; A1: a monovalent organic group containing at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, a group having a coordinating oxygen atom, a hydrocarbon group having 4 or more carbon atoms, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; m=1 to 8, n=2 to 9 (m+n=3 to 10); and P1: polymer skeleton].Type: ApplicationFiled: February 28, 2014Publication date: June 26, 2014Applicant: FUJIFILM CORPORATIONInventors: Hidenori TAKAHASHI, Shuichiro OSADA
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Patent number: 8754151Abstract: The present invention relates to aqueous multistage polymer dispersions obtainable by free-radically initiated aqueous emulsion polymerization, having a soft phase and a hard phase, and a hard-to-soft stage ratio of 25% to 95% by weight to 75% to 5% by weight, the glass transition temperature (Tg) of the soft phase, as first stage, being ?30 to 0° C. and that of the hard phase, as second stage, being 20 to 60° C., comprising at least one monomer of the general formula I in which the variables have the following definitions: n=0 to 2, R1, R2, R3=independently of one another hydrogen or methyl group, X=O or NH, Y=H, alkali metal or NH4, to processes for preparing these aqueous polymer dispersions, and to the use thereof as binders in coatings, and also to coatings comprising the polymer dispersion of the invention.Type: GrantFiled: December 21, 2011Date of Patent: June 17, 2014Assignee: BASF SEInventors: Sebastian Roller, Ekkehard Jahns, Hans-Juergen Denu
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Patent number: 8753479Abstract: The invention relates to a process for the production of paper, card and board, including the steps of draining a filler-containing paper stock, having a certain fibrous concentration and containing at least one water-soluble amphoteric copolymer, with sheet formation in a wire section, then pressing the paper in a press section, diluting the paper stock to a fibrous concentration in the range from 5 to 15 g/l, draining the diluted paper stock to form a sheet, and then pressing the sheet in the press section to a solids content G(x) wt % or greater, such that G(x) computes according to: G(x)=48+(x?15)·0.4, where x is the numerical value of a filler content of the dry paper, card or board (in wt %), and G(x) is a numerical value of the minimal solids content (in wt %) to which the sheet is pressed.Type: GrantFiled: June 19, 2012Date of Patent: June 17, 2014Assignee: BASF SEInventors: Anton Esser, Hans-Joachim Haehnle
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Patent number: 8742046Abstract: Provided is a maleimide copolymer which exhibits an excellent hue, an effect of imparting high heat resistance, and excellent kneadability. Specifically provided is a maleimide copolymer which comprises 50 to 60 mass % of a styrene monomer unit, 30 to 50 mass % of a maleimide monomer unit, and 0 to 10 mass % of an unsaturated dicarboxylic anhydride monomer unit, and which has a weight-average molecular weight (Mw) of 90,000 to 130,000 and a residual maleimide monomer content of 300 ppm or lower.Type: GrantFiled: January 15, 2010Date of Patent: June 3, 2014Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Tetsuo Noguchi, Koichi Ozawa
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Patent number: 8710168Abstract: The present invention is a polymer having structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: The polymer improves the low-temperature properties of fuel oils from petroleum sources and especially from vegetable or animal sources.Type: GrantFiled: December 17, 2010Date of Patent: April 29, 2014Assignee: Infineum International LimitedInventors: Carl Waterson, Christopher J. Booth
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Patent number: 8623981Abstract: An improved polymerization and process method allows the production of special nitrile rubbers which are characterized by a specific anion content and an excellent storage stability and allow a particularly good vulcanization rate and moreover result in vulcanized materials that have advantageous properties, especially with regard to the contact with metal components of molded parts based on said vulcanized materials.Type: GrantFiled: January 16, 2009Date of Patent: January 7, 2014Assignee: LANXESS Deutschland GmbHInventors: Werner Obrecht, Rolf Josten, Michael Klimpel
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Publication number: 20130281650Abstract: A process for preparing a PANOX fiber comprising: obtaining an acrylonitrile copolymer, wherein the copolymer contains at least about 2% by weight itaconic acid comonomer; forming a spin dope from the copolymer; wet spinning the spin dope to obtain gelled filaments; contacting the gelled filaments with ammonia activator in an aqueous imbibation bath; bundling the gelled filaments to obtain a fiber; removing solvent from the fiber; drawing the fiber; densifying the fiber by heating the fiber up to about 400 degrees C. for a time of about 15 minutes in a rapid densification zone; and withdrawing a PANOX fiber from the densification zone.Type: ApplicationFiled: February 7, 2013Publication date: October 24, 2013Inventor: W. Kenneth Wilkinson
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Patent number: 8552126Abstract: The present invention relates to an aqueous polymer dispersion whose dispersed addition polymer P comprises, copolymerized in free-radically polymerized form, at least one polar monomer having a water solubility of greater than 50 g/liter (measured at 20° C.), and obtainable by free-radically initiated aqueous emulsion polymerization, the polar monomer being metered to the reaction mixture during the polymerization process at a variable, i.e., nonconstant rate, for example in the sense of a rate gradient. The present invention further relates to processes for preparing these aqueous polymer dispersions, to their use as binders and/or in coatings, and also to coatings comprising the polymer dispersion of the invention.Type: GrantFiled: February 17, 2012Date of Patent: October 8, 2013Assignee: BASF SEInventors: Ekkehard Jahns, Sebastian Roller
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Publication number: 20130248753Abstract: This invention relates to polymers containing structural units derived from itaconic acid which are useful as binders for fiberglass.Type: ApplicationFiled: December 1, 2011Publication date: September 26, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: John Ta-Yuan Lai, Gary A. Anderle, Ti Chou
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Publication number: 20130253097Abstract: The invention relates to comb polymers made from maleic acid or derivatives thereof, allyl ethers, and vinyl acetate, and the preparation thereof by free-radical polymerization at a reaction temperature of 10° C. to 50° C. The invention relates further to the use of such comb polymers to improve the workability of hydraulically setting compositions.Type: ApplicationFiled: December 20, 2011Publication date: September 26, 2013Applicant: SIKA TECHNOLOGY AGInventors: Ueli Sulser, Lukas Frunz, Joerg Zimmermann
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Patent number: 8492513Abstract: The present invention provides a method for producing a silicone hydrogel having a high water content. The method comprises the following steps: (a) polymerizing a monomer mixture to form the silicone hydrogel, wherein the monomer mixture comprises at least one silicon-containing monomer and at least one ionic monomer; and (b) placing the silicone hydrogel in an alkaline solution for at least 20 minutes, wherein the alkaline solution has a pH not less than 7.5 and the ionic monomer is present in an amount not less than 0.7 wt % based on the total dry weight of the silicone hydrogel.Type: GrantFiled: October 14, 2011Date of Patent: July 23, 2013Assignee: Far Eastern New Century CorporationInventors: Chih-Ta Lee, Ching-Ping Huang, Yi-Hsuan Chang, Ken-Yuan Chang
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Patent number: 8492497Abstract: The present invention relates to copolymers comprising as comonomers in copolymerized form (A) at least one ethylenically unsaturated mono- or dicarboxylic acid, (B) at least one ethylenically unsaturated compound which has at least one structural unit of the general formula (I) per molecule: where the variables are defined as follows: R1 is different or identical and selected from hydrogen, C1-C30-alkyl, C6-C30-aryl and C7-C30-aralkyl, A1 is different or identical and selected from C2-C10-alkylene, C6-C10-arylene and C7-C10-aralkylene, n is different or identical and selected from zero to 200, m is different or identical and selected from 1 to 6, (C) at least one further comonomer.Type: GrantFiled: July 12, 2010Date of Patent: July 23, 2013Assignee: BASF SEInventors: Rabie Al-Hellani, Bernd Bruchmann, Daniel Schoenfelder, Anna Cristadoro, Reinhold J Leyrer, Cristofer Arisandy
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Publication number: 20130171737Abstract: A superabsorbent polymer network formed of two monomers and two crosslinkers. The monomers and the crosslinkers are described herein. Further, a method for preparing this superabsorbent polymer network is disclosed. Also disclosed is a method of determining a ratio between two monomeric moieties in a superabsorbent polymer network formed of two monomers.Type: ApplicationFiled: December 19, 2012Publication date: July 4, 2013Applicant: Industrial Technology Research InstituteInventor: Industrial Technology Research Institute
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Publication number: 20130165263Abstract: The present invention provides a resin composition for a golf ball and a golf ball which have high resilience while maintaining soft compression and also have low spin on driver shots, and therefore can achieve a long flight distance. The present invention relates to a resin composition for a golf ball, including an ionomer resin consisting of a metal ion-neutralized copolymer of (A) a C3-8 ?,?-unsaturated carboxylic acid and (B) a C3-8 ?,?-unsaturated carboxylic acid ester, the ionomer resin having a mass ratio of (A)/(B) of 10/90 to 25/75, and a degree of neutralization of 30 to 105 mol %.Type: ApplicationFiled: December 26, 2012Publication date: June 27, 2013Applicant: DUNLOP SPORTS CO. LTD.Inventor: Dunlop Sports Co. Ltd.
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Patent number: 8470906Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.Type: GrantFiled: September 25, 2009Date of Patent: June 25, 2013Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Osman Rathore, Zohra Fadli, Mark Lada, James D. Ford, Azaam Alli, Yongcheng Li
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Patent number: 8466228Abstract: The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.Type: GrantFiled: August 6, 2010Date of Patent: June 18, 2013Assignee: Evonik CorporationInventors: Scott J. Smith, Mark C. Joy, Whei-Neen Hsu, Markus Frank, Michael M. Azad
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Patent number: 8461277Abstract: An additive composition for imparting caustic removability to a hot melt adhesive comprises a low molecular weight ?,? ethylenically unsaturated anhydride-containing or acid-containing polymer. The polymer is selected from the group consisting of a low molecular weight carboxylic anhydride homo-polymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride copolymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride polyolefin, a low molecular weight carboxylic anhydride vinyl aromatic copolymer, and a low molecular weight carboxylic anhydride grafted copolymer, or the combination or mixtures thereof. A caustic removable hot melt adhesive composition comprises a hot melt adhesive additive and a conventional hot melt adhesive resin. A caustic removable adhesive label comprises a substrate and a caustic removable hot melt adhesive composition which includes an additive composition.Type: GrantFiled: April 5, 2010Date of Patent: June 11, 2013Assignee: Cray Valley USA, LLCInventors: William R. Dougherty, Alan J. Pape, Nestor P. Hansen, W. Paul Boggs, Charles C. Mateer
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Patent number: 8436072Abstract: Mixtures comprising (A) at least one hydraulic or latently hydraulic binder, (B) at least one copolymer obtainable by reacting (?1) at least one ethylenically unsaturated comonomer having at least one functional group selected from COOH groups, sulfonic acid groups, nitrile groups, hydroxyalkyl groups and amino groups, or (?2) at least one (co)polymer of at least one ethylenically unsaturated comonomer having at least one functional group selected from COOH groups, sulfonic acid groups, nitrile groups, hydroxyalkyl groups and amino groups, with (?) at least one oligomeric or polymeric compound obtainable by reacting (a) at least one ethylenically unsaturated di- or polycarboxylic acid or anhydride or ester thereof with (b) at least one at least trifunctional alcohol and (c) at least one compound of the general formula I in which the variables are each defined as follows: R1 is selected from C1-C4-alkyl and hydrogen, A is the same or different and is selected from C2-C6-alkylene, n is in the rangType: GrantFiled: July 12, 2010Date of Patent: May 7, 2013Assignee: BASF SEInventors: Gregor Herth, Monika Haberecht, Yulia Fogel, Francisco Javier Lopez Villanueva, Bernd Bruchmann
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Patent number: 8420758Abstract: The present invention relates to methods and polymers based upon vinyl type monomers that contain pendant carboxylic acid groups and ester group functionality. The polymerization methods include regulation of heat flow such that parameters of monomer conversion, acid functionality, molecular weight, tacticity and/or copolymer composition may be adjusted to selected levels for a selected application.Type: GrantFiled: March 11, 2010Date of Patent: April 16, 2013Assignee: Itaconix CorporationInventors: Yvon Durant, John Shaw
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Patent number: 8399551Abstract: An embodiment of the present invention is a nanocomposite comprising a clay and an elastomer comprising at least C2 to C10 olefin derived units; wherein the elastomer also comprises functionalized monomer units pendant to the elastomer. Desirable embodiments of the elastomer include poly(isobutylene-co-p-alkylstyrene) elastomers and poly(isobutylene-co-isoprene) elastomers, which are functionalized by reacting free radical generating agents and unsaturated carboxylic acids, unsaturated esters, unsaturated imides, and the like, with the elastomer. The clay is exfoliated in one embodiment by the addition of exfoliating agents such as alkyl amines and silanes to the clay. The composition can include secondary rubbers such as general purpose rubbers, and curatives, fillers, and the like. The nanocomposites of the invention have improved air barrier properties such as are useful for tire innerliners and innertubes.Type: GrantFiled: May 30, 2003Date of Patent: March 19, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Caiguo Gong, Anthony Jay Dias, Andy Haishung Tsou, Beverly Jean Poole, Kriss Randall Karp
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Patent number: 8349980Abstract: A polyol having a substituent of formula (I) attached via a carbon-carbon single bond to a saturated carbon atom in a fatty acid hydrocarbyl group; wherein R1 and R2 are esterified residues of aliphatic or cycloaliphatic diols; and from 0 to 15 wt % of esterified residues of at least one C4-C12 anhydride, C4-C12 diacid or C4-C12 lactone, not including units of formula (I) attached to a fatty acid hydrocarbyl group.Type: GrantFiled: February 23, 2010Date of Patent: January 8, 2013Assignee: Rohm and Haas CompanyInventor: Joseph James Zupancic
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Patent number: 8334350Abstract: The present invention relates to an aqueous polymer dispersion whose dispersed addition polymer P comprises, copolymerized in free-radically polymerized form, at least one polar monomer having a water solubility of greater than 50 g/liter (measured at 20° C.), and obtainable by free-radically initiated aqueous emulsion polymerization, the polar monomer being metered to the reaction mixture during the polymerization process at a variable, i.e., nonconstant rate, for example in the sense of a rate gradient. The present invention further relates to processes for preparing these aqueous polymer dispersions, to their use as binders and/or in coatings, and also to coatings comprising the polymer dispersion of the invention.Type: GrantFiled: December 16, 2008Date of Patent: December 18, 2012Assignee: BASF SEInventors: Ekkehard Jahns, Sebastian Roller
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Patent number: 8283430Abstract: The present invention relates to a composition for manufacturing a carboxylic group-containing polymer and a carboxylic group-containing polymer manufactured by using the same. More particularly, the present invention relates to a composition for manufacturing a carboxylic group-containing polymer comprising an allyl monomer having a long chain of a hydrophilic part containing alkylene oxide and a side chain of a hydrophobic part containing fatty acid ester as a dispersion promoter; a vinyl group-containing unsaturated carboxylic acid; a vinyl group-containing crosslinking agent; and a radical polymerization initiator, and a carboxylic group-containing polymer manufactured by using the same wherein the polymer can be dispersed in water without stirring, its dispersion solution has low viscosity, and its neutralized viscous solution obtained by alkali neutralization has high viscosity and transparency.Type: GrantFiled: February 13, 2008Date of Patent: October 9, 2012Assignee: AK Chemtech Co. Ltd.Inventors: Kyo-Duck Ahn, Jong-Gi Lee, Choun-San Kim, Young-Shin Kim
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Patent number: 8273814Abstract: The present invention relates to emulsifying polymers, in particular to the use of these polymers for the stable emulsification of hydrophobic additives in aqueous concrete plasticizers.Type: GrantFiled: July 31, 2008Date of Patent: September 25, 2012Assignee: Sika Technology AGInventors: Ueli Sulser, Anna Krapf, Ulf Velten
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Patent number: 8252879Abstract: Provided are a photosensitive resin and a photosensitive resin composition comprising the photosensitive resin. The photosensitive resin has the structure of Formula 1, which is described in the specification. The photosensitive resin and the photosensitive resin composition have good sensitivity, improved resistance to heat and chemicals, and excellent storage stability. Further provided are a method for preparing the photosensitive resin and a cured product of the photosensitive resin composition.Type: GrantFiled: August 20, 2008Date of Patent: August 28, 2012Assignee: LG Chem, Ltd.Inventors: Han Soo Kim, Min Young Lim, Sung Hyun Kim, Yoon Hee Heo, Dae Hyun Kim, Ji Heum Yoo, Sun Hwa Kim
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Patent number: 8247510Abstract: A homopolymer having a monomer unit such as an isopropylidene diallylmalonate unit; a process for producing said homopolymer comprising the step of homopolymerising a monomer such as isopropylidene diallylmalonate; a copolymer containing said monomer unit and an ethylene unit and/or ?-olefin unit; and a process for producing said copolymer comprising the step of copolymerizing a monomer such as isopropylidene diallylmalonate with at least ethylene and/or an ?-olefin.Type: GrantFiled: July 15, 2011Date of Patent: August 21, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Kohtaro Osakada, Daisuke Takeuchi, Sehoon Park, Masayuki Fujita, Wataru Hirahata
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Patent number: 8227560Abstract: The present invention relates to methods and polymers based upon vinyl type monomers that contain pendant carboxylic acid groups and ester group functionality. The polymers may be prepared under selected conditions of partial neutralization to provide relatively high conversions and/or relatively high values of molecular weight and/or selected amounts of repeating unit tacticity.Type: GrantFiled: March 8, 2011Date of Patent: July 24, 2012Assignee: University of New HampshireInventors: Yvon Durant, Ming Cao, Mathieu Chirat
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Publication number: 20120157596Abstract: A polymer and methods of producing the polymer for use, for instance, in mineral processing, including kaolin and calcium carbonate beneficiation are discussed. The method of producing the polymer can include polymerizing at least one monomer in the presence of a polymerization initiator, a chain transfer agent, and a polymerization stabilizer to produce a polymer containing at least one carboxylic acid, wherein the at least one monomer includes an unsaturated carboxylic acid monomer, and wherein the polymer containing at least one carboxylic acid is stable and has a molecular weight of about 1000 g/mol to about 10,000 g/mol.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicant: BASF CorporationInventors: Luiz Antonio M. da SILVA, Juraci Marques da SILVA, Adilson Ignacio da SILVA, Antonio Severo Porto Junior
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Publication number: 20120157634Abstract: Particulate superabsorbents based on at least one monoethylenically unsaturated monomer comprising at least one acid group, in which at least 5 mol % of the acid groups have been neutralized with at least one tertiary alkanolamine, are particularly suitable superabsorbent components of thermoplastic mixtures which are shaped by known shaping processes for thermoplastics to give shaped bodies comprising superabsorbents.Type: ApplicationFiled: August 11, 2010Publication date: June 21, 2012Applicant: BASF SEInventor: Francisco Javier Lopez Villanueva
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Patent number: 8193276Abstract: A fluorocopolymer capable of exhibiting excellent water and oil resistance even with its perfluoroalkyl group being a short chain, and a water and oil proofing composition containing it, are provided. A water and oil proofing composition containing a fluorocopolymer (A) comprising from 40 to 98 mass % of polymerized units (a?) having a C1-6 perfluoroalkyl group, from 1 to 50 mass % of polymerized units (b?) having an alkylene oxide and from 1 to 10 mass % of polymerized units (c?) based on a monomer represented by CH2?C(COOH)-Q-COOH (wherein Q is a C1-4 alkylene group, etc.).Type: GrantFiled: January 28, 2010Date of Patent: June 5, 2012Assignee: Asahi Glass Company, LimitedInventors: Shuichiro Sugimoto, Takao Hirono, Eiji Morimoto
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Patent number: 8148485Abstract: In obtaining a water-absorbing resin with high property in high productivity, produced a production method for a water-absorbing resin in high property and stably. Provided is a production method for a water-absorbing resin, comprising: a step for polymerizing an acrylic acid aqueous solution; a step for drying the resultant water-containing gel; a step for pulverizing and classifying the dried substance; and a step for surface cross-linking after classification, wherein a hopper having an inclination angle of a cone part of equal to or larger than 45 degree, and a drawing rate of 30 to 80% is used.Type: GrantFiled: March 13, 2009Date of Patent: April 3, 2012Assignee: Nippon Shokubai Co., Ltd.Inventors: Kozo Nogi, Kunihiko Ishizaki, Koji Matsumoto
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Method for producing particulate water—absorbing agent composed principally of water absorbing resin
Patent number: 8138292Abstract: Provided is a production method for the particulate water-absorbing agent, which can contribute to property enhancement, and further improvement of productivity or the like, as well. One example of the production method for the particulate water-absorbing agent relevant to the present invention includes the polymerization step for obtaining a polymer gel; the drying step for drying the polymer gel to obtain a dried substance; the pulverization step for pulverizing the dried substance or the polymer gel to obtain the particulate water-absorbing resin; the classification step for sieving the particulate water-absorbing resin; the granule sizing step for granule sizing the particulate water-absorbing agent obtained from the particulate water-absorbing resin; and the transporting step for transporting the products produced in each of the steps to other steps.Type: GrantFiled: March 13, 2009Date of Patent: March 20, 2012Assignee: Nippon Shokubai Co., Ltd.Inventors: Koji Matsumoto, Sumio Okuda, Kunihiko Ishizaki