Coating Or Adhesive Composition For Application To A Wet Or Contaminated Surface (e.g., Underwater Or Oil-contaminated, Etc.) Or Process Of Preparing Patents (Class 523/177)
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Patent number: 12060516Abstract: The invention relates to the use of a composition comprising at least one polyamide, of which at least one is a semicrystalline copolyamide comprising at least one minor motif resulting from the polycondensation of: at least one diamine with at least one polymerised fatty acid, in particular a fatty acid dimer; or at least one diamine dimer with at least one carboxylic acid; or at least one amino acid dimer; or mixtures of same, as a sealing coating in a pipe containing oil or gas, said pipe being used in the operation of offshore oil or gas deposits.Type: GrantFiled: April 7, 2017Date of Patent: August 13, 2024Assignee: ARKEMA FRANCEInventors: Thierry Briffaud, Philippe Blondel, Patrick Dang, Francois Fernagut, Jean-Jacques Flat, Benjamin Saillard
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Patent number: 11702363Abstract: A preparation method for a concrete additive for a maritime work environment includes: S1, compounding a volcanic ash material containing aluminum oxide and lime in proportion, loading a mixture into a sugar coating machine, and spraying a proper amount of alcohol, to prepare spherical particles; S2, adding the spherical particles in S1 and cement into the sugar coating machine, uniformly spraying deionized water in a rotating process, and coating surface layers of the spherical particles with a layer of cement for maintenance; and S3, placing the maintained particles in S2 into a hydrophobic emulsion, and coating the surface layers of the particles with a layer of hydrophobic emulsion, to obtain a concrete additive.Type: GrantFiled: October 18, 2022Date of Patent: July 18, 2023Assignee: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Qiwei Zhan, Zhihong Pan, Anhui Wang, Juanlan Zhou, Changhao Fu, Wanying Dong, Haitao Hu, Xinyu Wang, Xinxuan Sun, Yiming Ge
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Patent number: 11312038Abstract: The present invention provides wood preservative composition containing a dispersed and/or emulsified phase comprising a wood preservative component; and a stabilizer. The stabilizer is a cationic polymer, an enzyme, organic polymer, quaternary ammonium compound and/or a mixture thereof. Also provided is a method of preserving wood or other cellulosic material which comprises applying to the wood or other cellulosic material.Type: GrantFiled: April 30, 2015Date of Patent: April 26, 2022Assignee: ARCH WOOD PROTECTION, INC.Inventors: Kimberlee Thompson, Susan Thomason, Alex Valcke, David Cantrell
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Patent number: 10913861Abstract: A process and composition for coating a pipe and a pipe support includes mixing a cellulose acetate, a plasticizer, and an oil together so as to form a solid mixture, heating the solid mixture so as to form a liquid state, covering an area of the joinder of the pipe and the pipe support with the liquid state, and drying the liquid state on the area of the joinder. An ethylene-based polymer stabilizer is added to the mixture of the cellulose acetate, the plasticizer and the oil. The oil migrates by gravity from the liquid state from the covered pipe into an area of contact between the pipe and the pipe support. The liquid state is applied around the outer diameter of the pipe and over the outer surface of the pipe support underlying the outer diameter of the pipe.Type: GrantFiled: June 14, 2018Date of Patent: February 9, 2021Assignee: STOPAQ B.V.Inventor: Edward Hall
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Patent number: 10844279Abstract: Proppants coated with a cured reactive resin composition containing 92-99.5 wt. % of a reactive resin and 0.5 to 8 wt. % of a silicone resin containing at least 5 wt. % of alkoxy groups and at least 20 mol percent of T and/or Q units, in liquid form, exhibit high freedom from fines generation, and are free flowing.Type: GrantFiled: June 29, 2017Date of Patent: November 24, 2020Assignee: WACKER CHEMIE AGInventors: Sebastian Knoer, Daniel Calimente, Arndt Schlosser
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Patent number: 10131798Abstract: A composition containing 4,5-dichloro-2-n-octylisothiazolin-3-one, an activated carbon having a surface area of at least 700 m2/g and a cured isocyanate.Type: GrantFiled: December 8, 2015Date of Patent: November 20, 2018Assignees: DOW GLOBAL TECHNOLGOIES LLC, ROHM AND HAAS COMPANYInventors: Bolatito Ajayi, David M. Laganella
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Patent number: 9540520Abstract: A composition containing unique particles of copper pyrithione wherein greater than 20 wt % to 90 wt % of the particles have a particle size of greater than 10 microns, as determined by laser light scattering using a particle size distribution analyzer, and wherein the particles are flat acicular needle-shaped is described herein. Also described herein is an antifouling paint containing the copper pyrithione and a method of making the composition and antifouling paint.Type: GrantFiled: August 17, 2012Date of Patent: January 10, 2017Assignee: Arch Chemicals, Inc.Inventors: Paul S. Kappock, Robert J. Martin
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Patent number: 9266292Abstract: Resins and thermoset composites comprising them, these materials being able to be hot-fashioned. These compositions resulting from placing at least one thermosetting resin precursor, this thermosetting resin precursor comprising hydroxyl functions and/or epoxy groups, and optionally ester functions, in contact with at least one hardener chosen from carboxylic acids, in the presence of at least one transesterification catalyst whose total molar amount is between 5% and 25% of the total molar amount of hydroxyl and epoxy contained in the thermosetting resin precursor. Process for manufacturing these materials, process for transforming and process for recycling these materials. New solid forms of resins and of thermoset composites that may be used in the implementation of these processes.Type: GrantFiled: May 30, 2011Date of Patent: February 23, 2016Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ARKEMA FRANCEInventors: Ludwik Leibler, Damien Montarnal, François-Genes Tournilhac, Mathieu Capelot
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Patent number: 9017473Abstract: The invention relates to a method of neutralizing paints, that includes adding at least one associative neutralizing agent to a formulation such as a pigment concentrate, a white paint base or paint. The associative neutralizing agent includes at least one neutralizing group N and at least one nitrogenous associative group A bonded together by at least one “spacer” group Sp. The invention also relates to pigment concentrates and to paints containing at least one such associative neutralizing agent.Type: GrantFiled: September 25, 2009Date of Patent: April 28, 2015Assignee: Arkema FranceInventors: Bruno Van Hemelryck, Manuel Hidalgo
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Patent number: 8946319Abstract: The invention relates to the use of butyl ionomers or partially halogenated butyl ionomers in reducing a population of and/or preventing accumulation of organisms. The organisms may be bacteria, algae, fungi, mollusca or arthropoda. The invention also relates to coatings for shaped articles comprising the butyl ionomers.Type: GrantFiled: February 5, 2010Date of Patent: February 3, 2015Assignee: LAXNESS International S.A.Inventors: Dana Adkinson, Lorenzo P. Ferrari, J. Scott Parent, Ralph A. Whitney, Rui Resendes
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Publication number: 20140311673Abstract: The disclosure is directed to an adhesive material which can be applied underwater comprising hydrophilic adhesive molecules. In other embodiments, the adhesive material may also include hydrophilic polymers and/or an oxidizing agent.Type: ApplicationFiled: November 28, 2012Publication date: October 23, 2014Inventors: Boxin ZHAO, Fut (Kuo) Yang
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Patent number: 8657943Abstract: 1-OH-2-acyl-sn-glycero-3-phosphocholine compounds and its analogs, pure or mixed, having formula WCH2CHXCH2PO3YCH2CH2Z, where W is preferably a hydroxyl group or an O-acyl group containing from 2 to 22 carbon atoms, and where X is preferably an O-acyl group containing from 2 to 22 carbon atoms or a hydroxyl (OH) and where Y may be an (O?) or OH and where Z is preferably a trimethyl-ammonium group [N+(CH3)3] can be protonated dimethyl ammonium [N+H(CH3)2] group. In the O-acyl groups containing 18 carbon atoms can be observed from 0 to 3 instaurations, useful as biocidal agents; processes for their preparation; and antifouling compositions, preferably paints useful in susceptible fouling surfaces, such as hulls of vessels. Methods to turn a surface into an antifouling surface, to a method to prevent fouling and to the antifouling surfaces comprising a coating of the said antifouling composition.Type: GrantFiled: November 30, 2011Date of Patent: February 25, 2014Assignee: UFRJ, IEAPM, UFFInventors: William Romao Batista, Ricardo Coutinho, Maria Campos Beta Neves, Claudio Cerqueira Lopes, Rosangela Sabbatini Lopes, Vanessa de Almeida Martins, Renato Crespo Pereira
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Patent number: 8575232Abstract: Provided are coating composition containing an organic polymer particle (A) composed of an organic polymer having a hydroxyl group and a cationic group in a molecule, the weight average particle size of which being 10 to 35 ?m, and a base resin (B), wherein the content of the organic polymer particle (A) is 0.5 to 5.0% by weight in the solid content of the coating composition, and a method of producing the same, and a coating film and underwater structure using the coating composition.Type: GrantFiled: September 28, 2009Date of Patent: November 5, 2013Assignees: Nippon Paint Co., Ltd., Nippon Paint Marine Coatings Co., Ltd.Inventors: Naoki Yamamori, Hiroshi Tominaga, Mamoru Shimada
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Patent number: 8546471Abstract: A Waterborne adhesive comprising 1 to 50 weight-% of a (meth)acrylate copolymer manufactured by polymerization of at least one ester of methacrylic acid, acrylic acid, crotonic acid and/or itaconic acid with aliphatic alcohols, substituted aliphatic alcohols, aromatic alcohols, polyether glycols, and other copolymerizable monomers, having an acid number from 0 to 150 mgKOH/g, 0 to 40 wt-% of natural polymers 0.5 to 30 wt-% of urea, 0.1 to 20 wt-% of additives, characterized in that the adhesive contains 0.05 to 20 weight-% of a super absorbent polymer.Type: GrantFiled: February 6, 2012Date of Patent: October 1, 2013Assignee: Henkel AG & Co. KGaAInventors: Nicolas De Calmes, Victor Dario Buj Vilalata, Ralf Gossen, Hermann-Josef Plum, Ethel Abrahams-Meyer
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Patent number: 8507580Abstract: To provide a process for efficiently producing a fluorine type antifouling composition employing a short chain Rf group, which can be made in the form of an aqueous dispersion containing substantially no volatile organic solvent and has a good soil release property (SR property). A process for producing an antifouling composition, which comprises a step of subjecting monomer components (Z) comprising from 30 to 80 mass % of a monomer (a) having a polyfluoroalkyl group in which the number of carbon atoms to which fluorine atoms are bonded is from 4 to 6, and from 20 to 70 mass % of a monomer (b) having no polyfluoroalkyl group and having a hydrophilic group, to solution polymerization in a volatile organic solvent having a boiling point of at most 100° C.Type: GrantFiled: October 28, 2010Date of Patent: August 13, 2013Assignee: Asahi Glass Company, LimitedInventors: Hiroyuki Hara, Shuichiro Sugimoto, Takao Hirono
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Patent number: 8367752Abstract: New gel coat composition, in particular new marine gel coat compositions, a process for their manufacture as well as their use to coat surfaces of articles exposed to light, water and solvents. The gel coats incorporate a precipitated silica having A BET surface of from 150 to 250 m2/g A SiO2 content of more than or equal to 98.5% by weight A Na2O content of less than or equal to 0.5% by weight.Type: GrantFiled: February 4, 2011Date of Patent: February 5, 2013Assignee: Evonik Degussa CorporationInventors: James Toth, Matt Romaine
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Patent number: 8309625Abstract: A method for preventing accumulation of organisms on a surface exposed to a marine environment. Nano-particles are provided in a water soluble polymer. The nano-particles have a thickness of about 2 nanometers and a major surface area of about 3 microns and are treated by a quaternary ammonium salt. The treated nano-particles are mixed into the water soluble polymer material. This mixture can be applied to the exposed surface. Biofouling is prevented by the sharpness of the nano-particles, sloughing of the water soluble material, and biocidal action caused by the quaternary ammonium salt.Type: GrantFiled: June 14, 2011Date of Patent: November 13, 2012Assignee: The United States of America as represented by the Secretary of the NavyInventor: Thomas S. Ramotowski
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Publication number: 20120208920Abstract: A Waterborne adhesive comprising 1 to 50 weight-% of a (meth)acrylate copolymer manufactured by polymerization of at least one ester of methacrylic acid, acrylic acid, crotonic acid and/or itaconic acid with aliphatic alcohols, substituted aliphatic alcohols, aromatic alcohols, polyether glycols, and other copolymerizable monomers, having an acid number from 0 to 150 mgKOH/g, 0 to 40 wt-% of natural polymers 0.5 to 30 wt-% of urea, 0.1 to 20 wt-% of additives, characterized in that the adhesive contains 0.05 to 20 weight-% of a super absorbent polymer.Type: ApplicationFiled: February 6, 2012Publication date: August 16, 2012Applicant: Henkel AG & Co. KGaAInventors: Nicolas DE CALMES, Victor Dario BUJ VILALATA, Ralf GOSSEN, Hermann-Josef PLUM, Ethel ABRAHAMS-MEYER
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Patent number: 8177896Abstract: A novel chemical genus of furan-2-one antifouling compound as non-toxic, environment friendly antifouling agent, a coating material for objects submerged under the water based on the furan-2-one compounds. The substituted furan-2-one antifouling compounds have a furan-2-one ring and an alkyl side chain thereto and are of the formula: where n=6-14, representing the number of carbon atoms in said side chain.Type: GrantFiled: April 16, 2009Date of Patent: May 15, 2012Assignee: The Hong Kong University of Science and TechnologyInventors: Peiyuan Qian, Ying Xu, Xiaojian Zhou, Hongping He, Nobuhiro Fusetani, Wei-Min Dai
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Publication number: 20110263751Abstract: The invention relates to a suspension comprising: fine-particulate particles in an amount of 0.01-50 wt %, wherein the particles have a fractal mass dimension Dm of less than or equal to 2.8, —fluid-elastic adhesive in an amount of 101-1000 parts by weight based on 100 parts of particles.Type: ApplicationFiled: December 1, 2009Publication date: October 27, 2011Applicant: Wacker Chemie AGInventors: Erwin-Peter Mayer, Herbert Barthel, Arnulf Schindelar
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Patent number: 8022115Abstract: It has now been surprisingly and unexpectedly discovered that a combination of polychlorophenoxyphenol, a silver-containing biocide, and an organopolysiloxane, when added to UHMWPE, renders the UHMWPE resistant to both soft and hard fouling. The polychlorophenoxy phenol is preferably 2.4.4?-trichloro-2?-hydroxy-diphenylether and the metal-containing biocide is preferably a silver zeolite.Type: GrantFiled: September 22, 2009Date of Patent: September 20, 2011Assignee: Quadrant EPP AGInventors: Joseph V. Gregg, Brian Yarcich
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Patent number: 7989521Abstract: An object of the present invention is to provide a composition for forming an environment friendly antifouling coating film that is unlikely to cause a hairline crack and like coating film defects even when immersed in seawater for a long time, and that prevents or inhibits attachment of slime.Type: GrantFiled: December 17, 2009Date of Patent: August 2, 2011Assignee: Nitto Kasei Co., Ltd.Inventors: Kiyomi Mori, Hidenori Waku, Takayoshi Fujimoto, Satoshi Minamino
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Publication number: 20110184088Abstract: The present invention relates to a coating material in the form of an aqueous composition comprising: 25% to 55% by weight of composite particles having an average particle size of 50 to 350 nm, in the form of an aqueous dispersion, which are constructed of 20% to 60% by weight, based on the composite particle, of inorganic solid having an average particle size of 5 to 100 nm, 40% to 80% by weight, based on the composite particle, of a polymer matrix having a T9 in the range from ?60 to +40° C. and obtainable by free-radical emulsion polymerization of at least one ethylenically unsaturated monomer, and 20% to 50% by weight of fillers, with 5% to 40% by weight, based on the total solids content, being selected from aluminum silicates, borosilicate glasses, polymethyl methacrylate particles, and polystyrene particles, 1% to 30% by weight of pigments, and 0% to 5% by weight of one or more thickeners 0.Type: ApplicationFiled: January 24, 2011Publication date: July 28, 2011Applicant: BASF SEInventors: Bas LOHMEIJER, Oliver Wagner, Ekkehard Jahns
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Patent number: 7977407Abstract: An object of the present invention is to provide a composition for forming an environment friendly antifouling coating film that can effectively exhibit an antifouling effect in seawater for a long period of time and furthermore exhibits a small temperature dependency of the coating film dissolving amount.Type: GrantFiled: December 17, 2009Date of Patent: July 12, 2011Assignee: Nitto Kasei Co., Ltd.Inventors: Kiyomi Mori, Hidenori Waku, Nobuyuki Hamaura, Takayoshi Fujimoto, Satoshi Minamino
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Publication number: 20110123750Abstract: New gel coat composition, in particular new marine gel coat compositions, a process for their manufacture as well as their use to coat surfaces of articles exposed to light, water and solvents. The gel coats incorporate a precipitated silica having A BET surface of from 150 to 250 m2/g A SiO2 content of more than or equal to 98.5% by weight A Na2O content of less than or equal to 0.5% by weight.Type: ApplicationFiled: February 4, 2011Publication date: May 26, 2011Applicant: Degussa CorporationInventors: James TOTH, Matt ROMAINE
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Publication number: 20110124772Abstract: Polymers with non-leaching antimicrobial activity and their use as surface coatings or bulk resins for medical devices. The antimicrobial polymers are prepared with antimicrobial moieties covalently bonded to a polymer chain end or to a polymer backbone at a side chain end. The antimicrobial moiety-containing endgroups include surface active (or surface assembling) moieties which promote enrichment of antimicrobial endgroups at the polymer surface and thus formation of an antimicrobially active surface. Polymers with built-in antimicrobial endgroups can be used as bulk resins, as antimicrobial additives, or as infection preventative coatings in the manufacture of medical devices (e.g., catheters, vascular access devices, peripheral lines, IV sites, drains, gastric feeding and tubes, and other implantable devices).Type: ApplicationFiled: May 26, 2009Publication date: May 26, 2011Applicant: DSM IP Assets B.V.Inventors: Shanger Wang, Robert S. Ward, Yuan Tian, Li Li, Keith Mccrea, James Parakka, Robert L. Jones, JR.
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Anti-fouling cationically crosslinkable varnish compositions and support substrates coated therewith
Patent number: 7868056Abstract: Silicone compositions particularly useful for the production of anti-fouling varnishes for application to support substrates, these providing an anti-fouling varnish for textiles covered with silicone elastomers which is economical, adhesive, non-slip and glossy; the subject varnishes comprise a crosslinkable silicone composition containing, per 100 parts by weight: 1, at least 80 parts by weight of: (1.1), 2., 0.1 to 10 parts of weight of: (1.2), 3., 0 to 10 parts by weight of at least one polydimethylisiloxane (PDMS) acrylate or epoxide, 4., 0 to 10 parts by weight of at least one silylated compound which includes at least one ultrafine filler, 7., 0 to 10 parts by weight of at least one thickener, and 8., 0 to 10 parts by weigh of at least one additional functional additive.Type: GrantFiled: January 9, 2009Date of Patent: January 11, 2011Assignee: Bluestar Silicones FranceInventors: Francis Lafaysse, Pierre Luciani, Didier Dhaler, Laurent Dumont, Jean-Marc Frances -
Publication number: 20100267506Abstract: The invention provides a sliding material for use in a wet-type continuously variable transmission, the sliding material including a resin as a matrix and mesophase pitch carbon fibers, the mesophase pitch carbon fibers being included in the sliding material at a content ratio of from 1% by volume to 60% by volume.Type: ApplicationFiled: November 26, 2008Publication date: October 21, 2010Inventors: Hiroyuki Murase, Atsushi Suzuki, Masaru Okuyama, Mamoru Tohyama, Toshihide Ohmori
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Patent number: 7807734Abstract: Provided is a low friction type anti-fouling paint. The anti-fouling paint includes prepolymer fluid formed of 10% to 30% NCO mythylene diisocyanate of 100 wt %; and resin fluid formed of polyoxylpropylenediamine of about 42 wt % to 48 wt % for adjusting an elongation and a tensile strength of a paint film, polyethertriamine of about 8 wt % to 10 wt % having a molecular weight of 5,000 for adjusting a curing time, polydiphenyltriamine of about 15 wt % to 20 wt % for adjusting a curing physical property and increasing the elongation, a modified silicone fluid of about 8 wt % to 12 wt % for increasing a slip and an anti fouling property, a filler of about 5 wt % to 9 wt % for increasing an abrasion resistance, an adhesion promoter of about 1 wt % to 2 wt %, and a pigment of about 1 wt % to 2 wt %.Type: GrantFiled: December 18, 2006Date of Patent: October 5, 2010Inventor: Dong Kyu Kim
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Anti-fouling cationically crosslinkable varnish compositions and support substrates coated therewith
Patent number: 7790785Abstract: Silicone compositions particularly useful for the production of anti-fouling varnishes for application to support substrates, these providing an anti-fouling varnish for textiles covered with silicone elastomers which is economical, adhesive, non-slip and glossy; the subject varnishes comprise a crosslinkable silicone composition containing, per 100 parts by weight: 1, at least 80 parts by weight of: (1.1), 2., 0.1 to 10 parts of weight of: (1.2), 3., 0 to 10 parts by weight of at least one polydimethylisiloxane (PDMS) acrylate or epoxide, 4., 0 to 10 parts by weight of at least one silylated compound which includes at least one ultrafine filler, 7., 0 to 10 parts by weight of at least one thickener, and 8., 0 to 10 parts by weigh of at least one additional functional additive.Type: GrantFiled: June 27, 2005Date of Patent: September 7, 2010Assignee: Rhodia ChimieInventors: Francis Lafaysse, Pierre Luciani, Didier Dhaler, Laurent Dumont, Jean-Marc Frances -
Patent number: 7754787Abstract: Curable film-forming compositions comprising a film-forming resin and an organic sol of particles are provided. The sol of particles may be prepared by providing a suspension of particles in an aqueous medium; adding a first organic liquid compatible with the aqueous medium to form an admixture; reacting the particles with a first and a second modifying compound; adding a second organic liquid compatible with the liquid portion of the admixture wherein the second organic liquid is different from the first organic liquid; and maintaining the admixture at a temperature and pressure and for a time sufficient to substantially remove the water and the first organic liquid. The film-forming resin comprises an active hydrogen-functional polymer having low functionality; i.e., a functional group equivalent weight greater than 380 g/equivalent, and a crosslinking agent, yet surprisingly offers outstanding mar and scratch resistance.Type: GrantFiled: August 30, 2007Date of Patent: July 13, 2010Assignee: PPG Industries Ohio, Inc.Inventor: Steven V. Barancyk
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Publication number: 20100113643Abstract: The invention provides epoxy and oxetane compositions including the novel acyloxy and N-acyl curing agents described herein. Use of invention curing agents result in cured adhesive compositions with remarkably increased adhesion and reduced hydrophilicity when compared to resins cured with other types of curing agents. Furthermore, the curatives of this invention do not interfere with free-radical cure and are thus suited for use in hybrid cure thermoset compositions.Type: ApplicationFiled: April 9, 2008Publication date: May 6, 2010Applicant: DESIGNER MOLECULES, INC.Inventor: Stephen M. Dershem
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Publication number: 20100069531Abstract: A process for producing a room temperature vulcanizable organopolysiloxane composition comprising: (A) 100 parts by weight of a diorganopolysiloxane having in one molecule at least two hydroxyl groups and/or hydrolyzable groups connecting to silicon atoms; (B) 0.2 to 10 parts by weight of an alkylene oxide compound having silicon atoms in a molecule; (C) 0.5 to 100 parts by weight of a silica; and (D) 0.5 to 30 parts by weight of a silane and/or condensate of partial hydrolyzate thereof, wherein said process comprises steps of hot-mixing component (A), component (B), and component (C) together, and subsequently mixing component (D) thereto.Type: ApplicationFiled: September 11, 2009Publication date: March 18, 2010Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takafumi Sakamoto, Tokuo Sato
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Patent number: 7662222Abstract: This invention relates to the use of a combination of selected substances in paint to prevent the settlement and growth of different biofouling organisms with a reduced negative effect on the ecosystems compared to present methods.Type: GrantFiled: June 23, 2009Date of Patent: February 16, 2010Assignee: I-Tech ABInventors: Magnus Nydén, Camilla Fant
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Publication number: 20090274844Abstract: The present invention relates to a method for the establishment of a crack resistant epoxy paint coat and paint compositions suitable for said method. The method is developed for use in ballast tanks e.g. a ballast tank of a vessel. The method involves the steps: (i) applying a paint composition comprising an epoxy-based binder system onto the surface thereby forming a curable paint film on the surface, and (ii) allowing the curable paint film to cure thereby forming the epoxy paint coat. The paint composition has a viscosity of at the most 140 KU, when ready to be applied. The paint composition comprises 35-80% by solids volume of the paint of an epoxy-based binder system having a ratio between the hydrogen equivalents and the epoxy equivalents in the range of 20:100 to 120:100. The paint composition furthermore comprises 0.5-30% by solids volume of the paint of one or more fibres. The fibres have an average length, of at the most 250 ?m.Type: ApplicationFiled: May 11, 2006Publication date: November 5, 2009Applicant: Hempel A/SInventors: Kim Scheibel, Jorn Kahle, Michael Stanley Pedersen, Lars Thorslund Pedersen
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Patent number: 7598299Abstract: The invention relates to the use of a polymer including salts of amine-functional groups and/or salts of phosphine-functional groups bound (pendant) to the backbone of the polymer, said salts including as counter-ion the anionic residue of an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising at least 5 carbon atoms in antifouling compositions. The invention further relates to antifouling compositions including such a polymer.Type: GrantFiled: January 11, 2005Date of Patent: October 6, 2009Assignee: Akzo Nobel Coatings International B.V.Inventor: Clayton Price
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Publication number: 20090215925Abstract: The invention relates to a dispersion or solution of a polymer in water, organic solvents or mixtures thereof. The invention is characterised in that the polymer contains at least 0.001 mols of 3,4 dihydroxyphenyl groups (calculated at 109 g/mol) for 100 g polymer.Type: ApplicationFiled: January 18, 2005Publication date: August 27, 2009Applicant: BASF AktiengesellschaftInventors: Dieter Urban, Reinhold Schwalm, Stefan Kirsch, Kai Michael Exner, Alexander Centner
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Patent number: 7553481Abstract: An underwater antifouling coating composition which contains a metal pyrithione compound and cuprous oxide as an active ingredient, and a compound represented by the general formula (II): (wherein M2 is H, Na, ½Zn or ½Cu) as a stabilizer has high storage stability over long.Type: GrantFiled: March 14, 2003Date of Patent: June 30, 2009Assignee: API CorporationInventors: Yasuhiro Kozasa, Yuji Koga
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Patent number: 7531581Abstract: The invention herein relates to the method and use in an antifouling paint that specifically and efficiently impede settlement of for example barnacles on aquatic structures, using imidazole containing compound, such as Medetomidine, bound to a sulfonated, acid sulphate ester, phosphonic acid, carboxylic acid or acid phosphate ester modified polymer backbone such as polystyrene or acrylate polymers. The aim is to employ the biocide-polymer complexes as additives in a self-polishing paint for controlled release purposes.Type: GrantFiled: March 10, 2006Date of Patent: May 12, 2009Assignee: I-Tech ABInventors: Magnus Nydén, Camilla Fant, Krister Holmberg, Lars Swanson
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Publication number: 20090114122Abstract: A composition for sealing leaks in an engine includes a water-soluble metal silicate, a body of organic fibers, and a body of inorganic fibers. The organic fibers may include synthetic polymeric fibers as well as natural fibers such as cellulose and animal-derived materials. The inorganic fibers may include refractory fibers such as glass, ceramic or mineral fibers. The composition may be prepared in the form of a dry material or as a solution. Also disclosed are methods for using the composition.Type: ApplicationFiled: January 8, 2009Publication date: May 7, 2009Inventor: Douglas Erick
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Publication number: 20080300341Abstract: A slurry rheology modifier comprises a first water-soluble low-molecular compound [referred to hereinafter as compound (A)] and a second water-soluble low-molecular compound [referred to hereinafter as compound (B)] being different from the compound (A), wherein the viscosity of an aqueous solution at 20° C. prepared by mixing an aqueous solution SA (with a viscosity at 20° C. of 100 mPa·s or less) of compound (A) with an aqueous solution SB (with a viscosity at 20° C. of 100 mPa·s or less) of compound (B) in the ratio of 50/50 by weight can be at least twice as high as the viscosity of either aqueous solution before mixed.Type: ApplicationFiled: April 30, 2008Publication date: December 4, 2008Inventors: Hotaka Yamamuro, Koji Koyanagi, Daisuke Shiba
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Patent number: 7442240Abstract: An alkoxylpropyl isothiazolinone of formula: C6H6Cl2NO2SR, in which R is CH3, CH2CH3, CH(CH3)2, CH2CH2CH2CH3, CH2CH2OCH3 or CH2CH2OC6H5Cl. A method for preparing the isothiazolinone by reacting sodium polysulphide with methyl acrylate to obtain dimethyl dithiodipropionate, followed by aminolysis with alkoxyl propylamine to obtain N,N?-dialkoxylpropyldithio-dipropionamide, which is then reacted with sulfuric chloride. The alkoxylpropyl-isothiazolinone of the invention can be used for preparing marine antifouling paint coating as antifoulant, and also used as bactericide.Type: GrantFiled: September 30, 2005Date of Patent: October 28, 2008Assignee: Ocean University of ChinaInventors: Liangmin Yu, Xiaohui Jiang, Zhiming Zhang, Huanzhi Xu, Changcheng Li
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Patent number: 7390843Abstract: An antifouling coating which comprises a varnish comprised of a metal-containing acrylic resin having, in a side chain thereof, at least one group represented by the following formula (1): wherein X represents a group of the formula: n represents 0 or 1; Y represents a hydrocarbon group; M represents a metal; m represents an integer equal to [(the valence number of metal M)?1]; A represents an organic acid residue derived from a monobasic acid, said varnish having a nonvolatile fraction of not less than 40 weight % and a viscosity at 25° C. of not more than 18 poises and said antifouling coating having a volatile organic compound (VOC) content of not more than 400 g/L.Type: GrantFiled: November 12, 2003Date of Patent: June 24, 2008Assignee: Nippon Paint Co., Ltd.Inventors: Kiyoaki Higo, Masayuki Matsuda, Satoshi Okamoto, Naoki Yamamori
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Patent number: 7377968Abstract: The present invention relates to blends of encapsulated biocides with free biocides. In particular, the present invention relates to blends of encapsulated 4,5-dichloro-2-n-octyl-3(2H)-isothiazolone (“DCOIT”) with free biocides. The invention also relates to marine antifouling coatings and paints incorporating free biocides and encapsulated DCOIT, and using the free biocides and encapsulated DCOIT in marine antifouling coatings and paints.Type: GrantFiled: March 8, 2007Date of Patent: May 27, 2008Assignee: Rohm and Haas CompanyInventors: Sarah E. Reybuck, Curtis Schwartz
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Patent number: 7335248Abstract: Disclosed are marine coating compositions that are useful to inhibit the fouling of a marine structure by a broad spectrum of organisms. Generally, the marine coating composition comprises an antifouling agent and an organic vehicle.Type: GrantFiled: September 1, 2006Date of Patent: February 26, 2008Assignee: Novus International, Inc.Inventor: Ibrahim Abou-Nemeh
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Patent number: 7311766Abstract: This invention relates to the use of a combination of selected substances in paint to prevent the settlement and growth of different biofouling organisms with a reduced negative effect on the ecosystems compared to present methods.Type: GrantFiled: March 10, 2006Date of Patent: December 25, 2007Assignee: I-Tech ABInventors: Magnus Nydén, Camilla Fant
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Patent number: 7297727Abstract: Polymers containing triarylsilyl(meth)acryloyl units are erodible in seawater and can be used to formulate antifouling marine paints. The polymers are characterized by low levels of triarylsilyl(meth) acrylate units and an erosion rate in seawater of 2 to about 15 microns per month.Type: GrantFiled: November 10, 2003Date of Patent: November 20, 2007Assignee: Arkema Inc.Inventors: Mark Anthony Aubart, Michael Benjamin Abrams, Gary Stephen Silverman, Jerome Obiols, Kenneth Kuo-Shu Tseng, David A. Mountz
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Patent number: 7201790Abstract: The present invention provides a coating composition comprising zinc particles and a binder wherein the zinc particles contain at least 80% by weight of zinc flake and wherein the zinc particle to binder weight ratio is between 2:1 to 9:1. The coating composition may be an anti-corrosive composition or an antifouling composition. The coating composition may also inhibit or galvanize rust formation. The coating composition is of particular use in the marine industry.Type: GrantFiled: December 2, 2005Date of Patent: April 10, 2007Inventor: Ronald R. Savin
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Patent number: 7169846Abstract: 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) at least one hydrophobic alkyl acrylate or alkyl methacrylate ester of an alcohol, (ii) at least about 1 wt. % of at least one hydrophilic monomer, (iii) at least about 5 wt. % of at least one partially hydrophilic alkyl acrylate or alkyl methacrylate ester of an alcohol, and (iv) a water-soluble or water-dispersible polymerizable surfactant selected from compounds having a terminal allyl amine moiety, substituted phenyl compounds having at least one alkenyl substituent, polyoxyalkylene-1-(allyloxymethyl) alkyl ether sulfate salts, or mixtures thereof, and the average particle size of the polymer is less than or equal to 200 nm. Also disclosed are processes for preparing same.Type: GrantFiled: May 10, 2002Date of Patent: January 30, 2007Assignee: Cytec Surface Specialties, Inc.Inventors: Augustin T. Chen, Jong-Shing Guo, Tibor Pernecker
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Patent number: 7108741Abstract: A novel antifouling paint composition is disclosed. The antifouling paint composition comprises a resin of 5 to 20 wt %, a solvent of 3 to 30 wt %; a polyhexamethyleneguanidine salt of the following chemical formula 1 of 0.05 to 20 wt %, a pigment of 1 to 50 wt %; and cuprous oxide of 22 to 75 wt % and/or zinc pyrithione of the following chemical formula 2 of 0.05 to 20 wt %; wherein in chemical formula 1, X can be the same or different, and at least one of X is an inorganic acid salt or an organic acid salt; R1 can be the same or different, and is a linear or branched alkyl group containing from 1 to 20 carbon atoms, a phenyl group, a chlorophenyl group, a bromophenyl group, an iodophenyl group, a benzyl group, a chlorobenzyl group, a bromobenzyl group, a iodobenzyl group, a phenethyl group, a naphthyl group or a hydrogen; and n is an integer of 1 or more.Type: GrantFiled: October 23, 2003Date of Patent: September 19, 2006Assignee: SK Chemicals Co., Ltd.Inventors: Kyung-Wook Yang, Nam-Sik Park, Ki-Seung Choi, Soon-Jong Hahn, Jin-Man Kim, Wan-Pyo Hong