With Unsaturated Carboxylic Acid Or Ester Monomer Patents (Class 524/831)
  • Patent number: 8975332
    Abstract: The invention relates to a process for the preparation of aqueous vinyl polymer dispersions having good film forming properties, good stability and in can clarity, to the polymer dispersions obtainable by the process and coating compositions prepared from said polymer dispersions and the use thereof. The process comprising, (1) a first polymerization step comprising (1a) preparing an emulsion (1A) in water of a first monomer mixture (1a1) comprising carboxylic acid functional monomers, a surfactant (1a2) and water soluble inorganic salt (1a3) wherein surfactant (1a2) is a sulfur based anionic surfactant containing less than 60 wt % ethylene oxide and wherein the salt (1a3) content at the start of polymerization (1b) is between 0.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: March 10, 2015
    Assignee: Nuplex Resins B.V.
    Inventors: Dirk Emiel Paula Mestach, Mart Heuts, Rob Adolphs
  • Patent number: 8975309
    Abstract: A cryogel-forming vinyl alcohol co-polymer is operable to form a cryogel, i.e., a hydrogel formed by crytropic gelation, in an aqueous solution at a concentration of less than about 10% by weight, in the absence of a chemical cross-linking agent and in the absence of an emulsifier. In one embodiment, a vinyl alcohol co-polymer cryogel comprises at least about 75% by weight water and a vinyl alcohol co-polymer, wherein the vinyl alcohol co-polymer is operable to form a cryogel in an aqueous solution at a concentration of less than about 10% by weight, in the absence of a chemical cross-linking agent and in the absence of an emulsifier.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: March 10, 2015
    Inventors: Maria Stromme, Albert Mihranyan
  • Publication number: 20150057411
    Abstract: The present invention relates to a method for preparing an aqueous dispersion of water-soluble polymers, which comprises a step (E) of radical polymerization, wherein the following are brought into contact in an aqueous medium (M) in which the synthesised polymer is not soluble: at least one ethylenically unsaturated monomer which is soluble in the aqueous medium (M); at least one source of free radicals; and a reactive stabiliser which comprises: a polymer chain (CP) which is soluble in the medium (M), a group (G) providing the radical polymerization of step (E) with a living and controlled nature, such as, for example, a group carrying a thiocarbonylthio-S(C?S)— group.
    Type: Application
    Filed: March 11, 2013
    Publication date: February 26, 2015
    Inventors: Mathias Destarac, David James Wilson, Silvia Stoilova
  • Publication number: 20140348887
    Abstract: A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization.
    Type: Application
    Filed: September 13, 2012
    Publication date: November 27, 2014
    Applicant: Lubrizol Advanced Materials, Inc.
    Inventors: Shui-Jen Raymond Hsu, Krishnan Chari, Wei-Yeih Yang, Prachur Bhargava, Murat Kadir
  • Publication number: 20140296432
    Abstract: The present invention relates to new acrylic associative thickening agents which, when polymerized in the presence of particular polyglycerols, ultimately result in an increase of the open time of the paint or of the thick coating in which they are incorporated. By so doing, painters and applicators will have more time to work the paint layers gradually or to correct imperfections such as paint droplets, traces of brushes and filling-knives.
    Type: Application
    Filed: October 4, 2012
    Publication date: October 2, 2014
    Applicant: COATEX
    Inventors: Denis Ruhlmann, Jean-Marc Suau
  • Patent number: 8703876
    Abstract: A process for producing water-absorbing polymer particles, wherein at least one inorganic phosphoric acid and/or salt thereof and at least one organic 2-hydroxy acid and/or salt thereof is added, where the phosphorus in the inorganic phosphoric acid has an oxidation number of less than +V and the organic 2-hydroxy acid does not have any ethylenically unsaturated groups, and also the water-absorbing polymer particles obtainable by the process according to the invention.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: April 22, 2014
    Assignee: BASF SE
    Inventors: Norbert Herfert, Thomas Daniel, Bootsara Parchana
  • Publication number: 20140039122
    Abstract: The invention relates to a process for the preparation of aqueous vinyl polymer dispersions having good film forming properties, good stability and in can clarity, to the polymer dispersions obtainable by the process and coating compositions prepared from said polymer dispersions and the use thereof. The process comprising, (1) a first polymerisation step comprising (1a) preparing an emulsion (1A) in water of a first monomer mixture (1a1) comprising carboxylic acid functional monomers, a surfactant (1a2) and water soluble inorganic salt (1a3) wherein surfactant (1a2) is a sulfur based anionic surfactant containing less than 60 wt % ethylene oxide and wherein the salt (1a3) content at the start of polymerization (1b) is between 0.
    Type: Application
    Filed: April 11, 2012
    Publication date: February 6, 2014
    Inventors: Dirk Emiel Paula Mestach, Mart Heuts, Rob Adolphs
  • Publication number: 20130172483
    Abstract: Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50° C.
    Type: Application
    Filed: December 11, 2012
    Publication date: July 4, 2013
    Inventors: Sebastian ROLLER, Rolf Dersch, Uwe Dittrich, Roelof Balk, Bas Lohmeijer, Ulrich Tromsdorf
  • Publication number: 20130150528
    Abstract: There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A]x[B]y (where x is an integer from 3 to 80 (inc.), where y is an integer ?10 and where y>x) and a polymer P, the block copolymer-polymer having an acid value ?150 mg KOH per g of block copolymer-polymer, where at least block [A] and [B] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where polymer P is obtained in the presence of blocks [A]x[B]y by an emulsion polymerisation process.
    Type: Application
    Filed: February 4, 2013
    Publication date: June 13, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Tijs NABUURS, John GEURTS, Gerardus Cornslis OVERBEEK
  • Publication number: 20120252972
    Abstract: The present invention provides multistage aqueous polymer dispersions which are film-forming at low temperatures, exhibit good blocking resistance in a formulation, even at elevated temperatures, display low foam propensity, and possess good wet adhesion and shelf life, processes for their preparation, and the use thereof as binders for coating substrates.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicant: BASF SE
    Inventors: Roelof BALK, Arno Tuchbreiter, Bas Lohmeijer
  • Patent number: 8173716
    Abstract: Open-cell foam based on a melamine-formaldehyde condensation product, a polyurethane or a polyimide, which has been modified with hydrophobins, a method of producing such foams, and the use thereof for absorbing organic liquids, as leakage and bleeding protection for liquid stores, for liquid-liquid separation and as matrix for carrying out chemical and/or biological processes.
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: May 8, 2012
    Assignee: BASF SE
    Inventors: Ulf Baus, Thorsten Montag, Claus Bollschweiler, Thomas Subkowski, Marvin Karos, Armin Alteheld, Hans-Jürgen Quadbeck-Seeger, Bernhard Vath
  • Publication number: 20120095131
    Abstract: Disclosed is a binder composition for a non-aqueous secondary battery electrode, which enables the production of a non-aqueous secondary battery that has excellent adhesion to a current collector or an electrode and can retain a high electric discharge capacity even when charge and discharge are repeated or under a high-temperature environment produced as a result of the generation of heat.
    Type: Application
    Filed: April 2, 2010
    Publication date: April 19, 2012
    Applicants: TOYOCHEM CO., LTD., TOYO INK SC HOLDINGS CO., LTD.
    Inventors: Sachiko Kinoshita, Hiromi Yokoyama, Takaaki Koike, Koichiro Miyajima, Yasuyuki Moroishi, Shingo Ikeda
  • Publication number: 20110312240
    Abstract: 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: Application
    Filed: June 16, 2011
    Publication date: December 22, 2011
    Applicant: BASF SE
    Inventors: Stephan Amthor, Bernd Reck, Jens Hartig
  • Patent number: 8030391
    Abstract: Multistage polymers predominantly stabilized by nonionic emulsifiers and derived from hard and soft monomer compositions containing vinyl esters, of which at least one monomer composition must contain an unsaturated compromisable organosilicon compound, are described. The plastic dispersions can be used as binders in emulsion paints and finishes and impart to these excellent scrub resistance in addition to good blocking resistance.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: October 4, 2011
    Assignee: Celanese Emulsions GmbH
    Inventors: Harald Petri, Ivan Cabrera
  • Publication number: 20110237745
    Abstract: A method for preparing hydrophobically modified rheology modifiers; said method comprising polymerizing a monomer mixture having two or more components. The first component is H2C?C(R)C(O)X(CH2CH2O)n(CH(R?)CH2O)mR? or H2C?C(R)C6H4C(CH3)2NHCO2(CH2CH2O)n(CH(R?)CH2O)mR?, wherein X is O or NH, R is H or CH3, R? is C1-C2 alkyl, R? is C8-C22 alkyl or C8-C16 alkylphenyl, n is an average number from 6-100 and m is an average number from 0-50, provided that n?m and m+n is 6-100. The second component is a C3-C6 carboxylic acid monomer; wherein polymerization occurs in the presence of an oxidant, a reductant and a metal catalyst, and substantially in the absence of a peroxide, hydroperoxide or perester containing an alkyl group having at least five carbon atoms.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 29, 2011
    Inventors: Barrett Richard Bobsein, Marianne Patricia Creamer, Eric C. Greyson, Joseph Manna, Thomas Madle
  • Publication number: 20110230567
    Abstract: A cryogel-forming vinyl alcohol co-polymer is operable to form a cryogel, i.e., a hydrogel formed by crytropic gelation, in an aqueous solution at a concentration of less than about 10% by weight, in the absence of a chemical cross-linking agent and in the absence of an emulsifier. In one embodiment, a vinyl alcohol co-polymer cryogel comprises at least about 75% by weight water and a vinyl alcohol co-polymer, wherein the vinyl alcohol co-polymer is operable to form a cryogel in an aqueous solution at a concentration of less than about 10% by weight, in the absence of a chemical cross-linking agent and in the absence of an emulsifier.
    Type: Application
    Filed: September 14, 2009
    Publication date: September 22, 2011
    Inventors: Maria Stromme, Albert Mihranyan
  • Publication number: 20110174453
    Abstract: The invention relates to an aqueous polymer dispersion comprising an anionic water-soluble dispersion polymer comprising in polymerized form a monomer mixture comprising (i) one or more anionic monomers, (ii) a first non-ionic vinyl monomer which is acrylamide, and (iii) at least one second non-ionic vinyl monomer; a water-soluble salt and a stabilizer, wherein the water soluble salt is present in an amount of at least 2.0% by weight, based on the total weight of the dispersion. The invention further relates to a process for producing the aqueous polymer dispersion, use of the aqueous polymer dispersion as a flocculating agent in papermaking or for water purification, and a process for producing paper which comprises adding one or more drainage and retention aids comprising the aqueous polymer dispersion to an aqueous suspension containing cellulosic fibres and then dewatering the obtained suspension.
    Type: Application
    Filed: August 19, 2009
    Publication date: July 21, 2011
    Applicants: AKZO NOBEL B.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd-Reiner Paulke
  • Publication number: 20110152451
    Abstract: An aqueous dispersion includes a self-crosslinking alkylolacrylamide containing interpolymer, the interpolymer being prepared in an emulsion polymerization medium by way of interpolymerizing in the medium: (a) acrylamide monomer; (b) N—C2 to C10alkylolacrylamide monomer, wherein the molar ratio of acrylamide:N—C2 to C10alkylolacrylamide interpolymerized is at least 0.5; and (c) at least one or more additional ethylenically unsaturated monomers added to the medium in an amount of from about 80 weight % to about 98 weight % based on the dry weight of monomer interpolymerized in the medium. The dispersions are particularly useful as binders for fibrous webs.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Inventor: Joel E. Goldstein
  • Patent number: 7927615
    Abstract: The present invention is a thickener consisting of a microgel obtained by radical polymerization of water soluble ethylene-type unsaturated monomers dissolved in the dispersion phase in a composition having an organic solvent or an oil component as the dispersion medium and water as the dispersion phase, as well as a cosmetic containing said thickener.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: April 19, 2011
    Assignee: Shiseido Company, Ltd.
    Inventors: Isamu Kaneda, Toshio Yanaki
  • Patent number: 7923518
    Abstract: The present application provides novel nitrile rubbers comprising repeating units of at least one ?,?-unsaturated nitrile, at least one conjugated diene and optionally one or more further copolymerizable monomers which nitrile rubbers are distinguished by a specific calcium content as well as a specific chlorine content and dispose of specific thio end groups. Additionally, an improved polymerization and work-up process is provided to produce the aforementioned nitrile rubbers.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: April 12, 2011
    Assignee: LANXESS Deutschland GmbH
    Inventor: Werner Obrecht
  • Patent number: 7879966
    Abstract: A pH-sensitive polymer which has cytotoxic or membranolytic properties at pH values below pH 6.5. Carriers for natural or synthetic biomolecules or active pharmaceutical ingredients using such a pH-sensitive polymer.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: February 1, 2011
    Assignees: Evonik Roehm GmbH, Universite de Montreal
    Inventors: Hans-Ulrich Petereit, Christian Meier, Klaus Schultes, Marie-Andree Yessine, Jean-Christophe Leroux
  • Patent number: 7834085
    Abstract: A self-reversible invert latex having a crosslinked cationic polyelectrolyte, formed by the copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: November 16, 2010
    Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques SEPPIC
    Inventors: Olivier Braun, Paul Mallo, Herve Rolland
  • Publication number: 20100204068
    Abstract: A method of controlling or arresting the rate of depolymerization of a polymer composition during a biocide treatment by controlling the pH of the composition, and use of such methods in oilfield applications.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 12, 2010
    Applicant: Rhodia Operations
    Inventors: Subramanian Kesavan, Gary Woodward, Adedamola Adedeji, Timothy Curtis, Francis Smith
  • Publication number: 20100093929
    Abstract: Compounds containing macromolecular chains and having a structured architecture are prepared by polymerization of macromolecular monomers containing diallylamine structural units.
    Type: Application
    Filed: June 27, 2007
    Publication date: April 15, 2010
    Inventor: Mathias Destarac
  • Patent number: 7666923
    Abstract: Compositions and methods for concomitantly resisting fire and soil erosion. The compositions comprise an aqueous mixture of a polymer mixed with an organic material. The polymer preferably comprises polyacrylamide or a copolymer of polyacrylamide having anionic functional groups. The organic material comprises either cellulose, mulch and/or seed and mulch. The methods of the present invention comprise providing or forming an aqueous mixture of the compositions of the present invention and applying them to an area of land sought to be provided with soil erosion and/or fire resistant properties.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: February 23, 2010
    Inventor: Scott Harrison
  • Publication number: 20090270003
    Abstract: The present disclosure provides an adhesive made from a reaction product of (a) polymerizable acrylate derived from one or more alcohols selected from the group consisting of C4 alcohols, C5 alcohols, and combinations thereof wherein at least one of the alcohols is derived from a non-petroleum resource; (b) initiator; (c) stabilizer, wherein the reaction occurs in water to yield a microsphere adhesive. The microsphere adhesive can be formulated into a pressure sensitive adhesive composition that can be applied to various substrates such as paper and polymeric film to produce repositionable adhesive coated articles such as tapes, notes, flags, easels and the like.
    Type: Application
    Filed: April 22, 2009
    Publication date: October 29, 2009
    Inventors: Kelly S. ANDERSON, Ying-Yuh Lu
  • Patent number: 7579421
    Abstract: Water-soluble or water-dispersible polymers comprising alkoxylated diallylamine derivatives, ethylenically unsaturated mono- or dicarboxylic acids, the anhydrides thereof or mixtures thereof and, if required, one or more further ethylenically unsaturated monomers C are prepared and are used as additives in mineral building materials, in detergents or in cosmetic formulations.
    Type: Grant
    Filed: June 19, 2004
    Date of Patent: August 25, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Becker, Lysander Chrisstoffels, Ludwig Voelkel, Thomas Goetz, Bernd Meyer-Roscher, Wolfgang Hansch, Stefanie Spilger
  • Patent number: 7553918
    Abstract: The invention relates to a pH-sensitive polymer which is a (meth)acrylate copolymer composed of 20 to 65% by weight acrylic and/or methacrylic acid units and 80 to 35% by weight units of C1- to C18-alkyl esters of (meth)acrylic acid, characterized in that it has a molecular weight in the range from 1 000 to 50 000 g/mol, and brings about at least 60% haemolysis at pH 5.5, and less than 5% haemolysis at pH 7.4, in a concentration of 150 ?g/ml in a cytotoxicity test with human red blood cells. The invention further relates to the use of the pH-sensitive polymer as carrier for pharmaceutically effective biomolecules or active pharmaceutical ingredients and as ingredient of corresponding dosage forms.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: June 30, 2009
    Assignees: Roehm GmbH & Co. KG, Universite de Montreal
    Inventors: Hans-Ulrich Petereit, Christian Meier, Klaus Schultes, Marie-Andree Yessine, Jean-Christophe Leroux
  • Patent number: 7528291
    Abstract: A color-stable superabsorbent polymer having long-term color stability, and methods of manufacturing the polymer, are disclosed. The color-stable superabsorbent polymer is prepared in the essential absence of a persulfate, and is subjected to a low dose of ultraviolet radiation. The resulting superabsorbent polymer resists color degradation during periods of extended storage, even at an elevated temperature and humidity.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: May 5, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Herfert, Michael M. Azad, Peter W. Carrico
  • Patent number: 7504445
    Abstract: A hydro-seeding composition having the form of an aqueous mixture comprising a polyacrylamide polymer and seeds. The polyacrylamide polymer is a potassium anionic polymer salt or an ammonium anionic polymer salt, instead of a sodium-based polyacrylamide polymer. The hydro-seeding composition may also include various soil amendments. The seeds are grass seeds or plant seeds.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: March 17, 2009
    Assignee: SNF S.A.S.
    Inventor: Cyril Collin
  • Patent number: 7504551
    Abstract: A color-stable superabsorbent polymer having long-term color stability, and methods of manufacturing the polymer, are disclosed. The superabsorbent polymer is prepared using a sulfinic acid derivative, like 2-hydroxy-2-sulfinatoacetic acid, a salt thereof, or a mixture thereof, as the reducing agent in a polymerization initiator system for the preparation of a superabsorbent polymer from monomers. The resulting superabsorbent polymer resists color degradation during periods of extended storage, even at an elevated temperature and humidity.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: March 17, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Herfert, Michael M. Azad, Peter W. Carrico, Guy Thomas Woodrum, Michael A. Mitchell, Ma-Ikay Kikama Miatudila
  • Publication number: 20090041922
    Abstract: Emulsions of hydrophobic monomers in water comprising inorganic particles as Pickering emulsifiers, and hydrophobin; and also the preparation and use of the emulsions are described.
    Type: Application
    Filed: July 10, 2006
    Publication date: February 12, 2009
    Applicant: BASF Aktiengesellschaft
    Inventors: Anuelika Kühnle, Christian Exner, Claus Bollschweiler, Thomas Subkowski, Ulf Baus, Hans-Georg Lemaire, Marvin Karos
  • Patent number: 7407993
    Abstract: Compositions and methods for concomitantly resisting fire and soil erosion. The compositions comprise an aqueous mixture of a polymer mixed with an organic material. The polymer preferably comprises polyacrylamide or a copolymer of polyacrylamide having anionic functional groups. The organic material comprises either cellulose, mulch and/or seed and mulch. The methods of the present invention comprise providing or forming an aqueous mixture of the compositions of the present invention and applying them to an area of land sought to be provided with soil erosion and/or fire resistant properties.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: August 5, 2008
    Assignee: Terra Novo, Inc.
    Inventor: Scott Harrison
  • Patent number: 7384990
    Abstract: The present invention is drawn to compositions and methods of generating active ester functionalized latex particulates in a liquid suspension, as well as compositions and methods of preparing ink-jet inks. Steps of the methods can include synthesizing polymerizable monomers with active ester groups and polymerizing these monomers with other monomers to form functionalized latex particulates having active ester group. These latex particulates can be used in a wide variety of applications, including in ink-jet ink printing applications.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: June 10, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Zhang-Lin Zhou
  • Patent number: 7381753
    Abstract: An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer including, as polymerized units, (a) from 0 to 1 wt. % monoethylenically unsaturated acid monomer, based on polymer weight; and (b) monomer of the formula CH2?C(R1)—CON(R2)(R3) wherein R1?H, CH3 or C2H5 and R2 and R3 are independently selected from C1-C6 saturated alkyl and cycloalkyl groups; and wherein the total of (a) and (b) is at least 0.1 wt % monomer based on the polymer weight. The binder may be a copolymer of ethyl acrylate and acrylamide. An inkjet ink composition including the inkjet ink binder, a colorant, and a liquid medium is also provided.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: June 3, 2008
    Assignee: Lexmark International, Inc.
    Inventors: Bradley Leonard Beach, Alberto Carrillo, Michael Paul Hallden-Abberton, Ann P. Holloway, Joseph Edward Johnson, George Max Lein, Richard Foster Merritt, Anna Marie Pearson
  • Patent number: 7375173
    Abstract: The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative, a (meth)acrylic acid derivative and/or hydrolysis-stable cationic monomers. The composition of the polyelectrolytes is characterised by a toxicity index formula Fi=(QTP?2QME)/10?1 wherein QTP represents the total cationic charge of the polymer and QME represents the charge part of the ester type monomer. The invention also relates to the production and use of said polyelectrolytes and water-in-water polymer dispersions which contain said polyelectrolytes.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: May 20, 2008
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: Norbert Steiner, Gregor Herth, Werner Fischer, Horst Redlof
  • Patent number: 7339002
    Abstract: Removable, water-whitening resistant pressure sensitive adhesive (PSA) comprising a crosslinked aqueous emulsion polymer comprising (a) at least one hydrophobic monomer; (b) at least about 2 wt. % of at least one hydrophilic monomer; and (c) at least about 5 wt. % of at least one partially hydrophilic monomer; wherein the crosslinked aqueous emulsion polymer is crosslinked with an effective amount of at least one polyfunctional aziridine crosslinker, and the wt. % of monomers (a), (b), and (c) are based on the total weight of monomers (a), (b), and (c).
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: March 4, 2008
    Assignee: Cytec Surface Specialties, Inc.
    Inventors: Jong-Shing Guo, Augustin T. Chen, Sharon D. Trembley
  • Patent number: 7273895
    Abstract: A process of preparing water soluble or water swellable polymer comprising the steps, (a) forming an aqueous mixture comprising, (i) a water soluble ethylenically unsaturated monomer or blend of monomers and, (ii) an ultra violet initiator, (b) effecting polymerisation by subjecting the aqueous mixture formed in step (a) to polymerisation conditions to form a polymer of said monomer or monomer blend, (c) subjecting the polymer formed in step (b) to ultra violet light radiation, characterised in that the polymerisation step (b) is conducted substantially in the absence of ultra violet radiation. In one preferred aspect the ultra violet initiator is distributed throughout the polymer formed in step (b). In another preferred aspect the step (c) is conducted ultra violet light at an intensity of up to 500 milli Watts/cm2.
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: September 25, 2007
    Assignee: Cibe Specialty Chemicals Water Treatments Ltd.
    Inventors: Anne Flisher, Gareth Ian Naylor, Lee Raistrick
  • Patent number: 7217746
    Abstract: Coating materials comprising polymeric particles in a geometrically ordered array are disclosed. The particles can be formed from materials having different glass transition temperatures; this allows for phase segregation between areas of different glass transition temperatures within each particle. Typically, at least 50 percent of the particles will form a hexagonal array, capable of exhibiting Bragg diffraction. Because the particles within the array do not coalesce to any appreciable extent, significant surface area is provided by the present coating materials. Thus, the present materials have particularly good sound deadening properties. Substrates coated with the present materials are also disclosed, as are methods for inhibiting sound transmission through a substrate using these coatings.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: May 15, 2007
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Calum H. Munro, Charles M. Kania, Umesh C. Desai
  • Patent number: 7217443
    Abstract: A binder composition is provided including a copolymer binder and a hydrophobically modified alkali soluble emulsion polymer. The binder composition is useful as a component of paper coating compositions. As provided is a coating process including the paper coating composition and a paper substrate coated with a paper coating including the binder composition.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: May 15, 2007
    Assignee: Rohm and Haas Company
    Inventors: Barrett Richard Bobsein, Jin-Chih Chiang, Scott Lind Egolf
  • Patent number: 7211622
    Abstract: An object of the present invention is to provide an aqueous resin composition and its uses, wherein the aqueous resin composition combines the blocking resistance and the frost damage resistance and thereby can secure the durability over a long period of time even under circumstances where a severe temperature cycle is present. As a means of achieving this object, the aqueous resin composition according to the present invention is an aqueous resin composition comprising an acrylic resin emulsion and a crosslinking agent as essential components, with the aqueous resin composition being characterized in that, when a coating film is formed from the aqueous resin composition, the formed coating film exhibits an elongation ratio (E (%)) that satisfies a specific relational expression along with the glass transition temperature (TgT (° C.)) of the acrylic resin in the emulsion.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: May 1, 2007
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Masaya Uchida, Kanji Nakao, Yoshiyuki Yokota
  • Patent number: 7202319
    Abstract: Water-soluble copolymers based on olefinic sulfonic acids, olefinic dicarboxylic acids, vinyl amides and vinyl ethers and/or allyl ethers and/or bisacryl derivatives are described as well as processes for their production and the use of these copolymers as water retention agents, thickeners or anti-segregation agents for aqueous building material systems that contain hydraulic binding agents such as cement, lime, gypsum, anhydrite etc. or for clay suspensions preferably based on bentonite.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: April 10, 2007
    Assignee: BASF Construction Polymers GmbH
    Inventors: Christian Spindler, Johann Plank, Andrea Fenchl, Uwe Huber
  • Patent number: 7115682
    Abstract: Removable pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising a crosslinked aqueous emulsion polymer are disclosed. The crosslinked aqueous emulsion polymer comprises (a) at least one hydrophobic monomer; (b) greater than 1 wt. % of at least one hydrophilic monomer; (c) greater than 3 wt. % of at least one mono-olefinically unsaturated monomer having an aldehyde or ketone group; (d) optionally at least one partially hydrophilic monomer; and (e) an effective amount of at least one water-soluble or water-dispersible polymerizable surfactant; wherein the crosslinked aqueous emulsion polymer is crosslinked with an effective amount of at least one polyhydrazide crosslinker, the wt. % of monomers (a), (b), (c) and (d) are based on the total weight of monomers (a), (b), (c) and (d), and the mean particle size of the crosslinked aqueous emulsion polymer is less than about 400 nm.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: October 3, 2006
    Assignee: Cytec Surface Specialties, Inc.
    Inventors: Jong-Shing Guo, Augustin T. Chen, Sharon D. Trembley
  • Patent number: 7045559
    Abstract: A composition providing electrically conductive adhesive hydrogels suitable for use as skin contact adhesives and, particularly, suitable for use as an electrical interface for disposable medical devices. The present hydrogels provide for reduced skin irritation and/or malodor properties, hydrate a subject's skin, readily wet around a subject's skin surface hair, and protect against burning of a subject upon or due to electrical stimulation through the hydrogel. These hydrogels generally include a monomer, a first initiator, a solubilizer, and a cross-linking agent. The present hydrogels also desirably include a buffer system to help prevent discoloration of the hydrogels and/or hydrolysis of the hydrogels as well as to improve shelf-life. Other additives such as conductivity enhancers, pharmaceuticals, humectants, plasticizers, skin health agents, etc. may be added to the present hydrogels either before or after curing.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: May 16, 2006
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ali Yahiaoui, Caron Keller, Richard Arnold Borders
  • Patent number: 7037975
    Abstract: The invention provides a process for preparing aqueous polymer dispersions having a high solids content of more than 60% by polymerizing one or more ethylenically unsaturated monomers by means of free-radically initiated aqueous emulsion polymerization in the presence of from 0.1 to 5.0% by weight of emulsifier, based on the overall weight of the monomers, and in the presence of initiator, wherein the emulsifier in an amount of from 0.001 to 0.5% by weight, based on the overall weight of the water in the initial charge, is included in the initial charge together with a fraction of from 1 to 10% by weight of the monomers, based on the overall weight of the monomers, before the beginning of polymerization, and the remainder of emulsifier and the remainder of monomers are metered in after the beginning of polymerization.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: May 2, 2006
    Assignee: Wacker Chemie AG
    Inventor: Abdulmajid Hashemzadeh
  • Patent number: 7015279
    Abstract: A composition and method for a linear or crosslinked cationic polyelectrolyte, involving copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: March 21, 2006
    Assignee: Société d'Exploitation de Produits pour les Industries Chimiques (SEPPIC)
    Inventors: Olivier Braun, Paul Mallo, Hervé Rolland
  • Patent number: 6979711
    Abstract: An improved emulsion polymerization process for producing an oil and water repellent finish for textiles wherein the improvement comprises polymerization in an aqueous solution containing 0.1 to 4.9% by weight of dipropylene-glycol monomethyl ether acetate or propylene glycol diacetate relative to water is disclosed.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: December 27, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Justine Gabrielle Franchina
  • Patent number: 6964991
    Abstract: Pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising an aqueous emulsion polymer are disclosed. The polymer comprises the polymerization reaction product of a polymerizable aqueous emulsion comprising: (i) a hydrophobic monomer mixture of at least one alkyl acrylate or alkyl methacrylate ester of an alcohol wherein the alkyl portion of the alcohol is linear or branched and contains at least 4 carbon atoms, and at least one styrenic monomer, wherein the styrenic monomer is up to about 30 wt. % of the total hydrophobic monomer mixture, (ii) at least about 1 wt. % of at least one hydrophilic monomer, (iii) at least about 5 wt.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: November 15, 2005
    Assignee: Surf Chip, Inc.
    Inventors: Augustin T. Chen, Jong-Shing Guo, Tibor Pernecker
  • Patent number: 6962953
    Abstract: The present invention relates to heat and storage stable vinyl polymer polyol secondary dispersions containing A) at least one vinyl polymer resin having functional groups selected from hydroxyl, carboxyl and/or sulfonic acid groups and dispersed in a water/solvent mixture in the presence of a neutralizing agent, and B) at least one amphiphilic polymer built up from a hydrophobic and a hydrophilic segment. The invention also relates to a process for the preparation of the vinyl polymer polyol secondary dispersions by preparing vinyl polymer resin A) by polymerizing a mixture of ethylenically unsaturated monomers a) in the presence of an initiator b) in a water/solvent mixture and adding at least one amphiphilic polymer B), then at least partly neutralizing and dispersing the resulting product, optionally after the addition of a further amount of water.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: November 8, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Probst, Martin Melchiors, Wieland Hovestadt, Michael Sonntag, Burkhard Köhler, Bernhard Jansen
  • Patent number: 6939934
    Abstract: Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon.
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: September 6, 2005
    Assignee: ISP Investments Inc.
    Inventors: Stephen L. Kopolow, David K. Hood, Drupesh Patel