With Heat Treatment Of Coating Patents (Class 204/500)
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Patent number: 11518900Abstract: Described are sealing primer compositions that can be used to reduce paint defects such as pops or vapor boil on painted plastic substrates, as well as related methods for sealing plastic substrates, and sealed plastic substrates. Sealing primer compositions of the invention include a functionalized polydiene polymer such as a hydroxylated or other functional-group-containing polybutadiene polymer.Type: GrantFiled: August 4, 2020Date of Patent: December 6, 2022Assignee: Red Spot Paint & Varnish Co., Inc.Inventor: Mark A. Parker
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Patent number: 11271209Abstract: A preparation method of a crosslinking-type aqueous binder for lithium-ion batteries. An organic carboxylic group-, amino group- or hydroxyl group-containing hydrophilic polymer, and a hydroxyl group-, amine group- or carboxyl group-containing water-soluble small-molecule crosslinker, both serve as starting materials of the aqueous binder, and can be crosslinked by esterification or amidation under coating and drying conditions of lithium-ion battery electrode slurry. The preparation method of the crosslinking-type aqueous binder is simple, without the need of modifying the current process or conditions for lithium-ion battery manufacture. The obtained electrodes have excellent binding capacity, flexibility, and elasticity.Type: GrantFiled: November 1, 2017Date of Patent: March 8, 2022Assignee: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCESInventors: Lingzhi Zhang, Jing Su
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Patent number: 11123728Abstract: Example embodiments relate to fast sample loading microfluidic reactors and systems. One embodiment includes a microfluidic device. The microfluidic device includes a reaction chamber allowing reacting of at least one fluid material. The microfluidic device also includes at least two fluidic channels coupled to the reaction chamber for providing a fluid to and exiting a fluid from, respectively, the reaction chamber. Each fluidic channel includes an inlet and an outlet. Each fluidic channel is configured such that when a first fluid is provided in the reaction chamber via that fluidic channel, the first fluid exits the reaction chamber via the outlet of at least one other fluidic channel when the reaction chamber is filled, thereby preventing a second fluid from the at least one other fluidic channel, when present in the inlet, from diffusing into the reaction chamber.Type: GrantFiled: December 12, 2018Date of Patent: September 21, 2021Assignee: IMEC VZWInventor: Benjamin Jones
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Patent number: 11069894Abstract: An electrochemical storage device including a conductive material and an electrochemical storage device material held together by a covalently crosslinked binder matrix. A method of forming an electrode for an electrochemical storage device, the method including the steps of: mixing electrochemical storage device material, conductive material, linear polymer, and crosslinker with one or more solvents, the resultant mixture forming an electrode slurry, crosslinking the linear polymer with the crosslinker to thereby create a covalently crosslinked polymer network of the polymer and crosslinker, the crosslinked polymer network physically or chemically binding together the electrochemical storage device material and the conductive material.Type: GrantFiled: December 5, 2016Date of Patent: July 20, 2021Assignee: The University of AkronInventors: Yu Zhu, Feng Zou
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Patent number: 10676839Abstract: In an electrodeposition system, the final quality of a coating is prevented from being degraded due to a coating material-containing aqueous solution flowing out of a steel plate mating portion during a drying process, while derivative problems such as an increase in the size of the system, an increase in the initial costs and the running costs, and a decrease in reliability are avoided. A washing zone that is subsequent to an electrodeposition zone in which an object to be coated is immersed in a coating material solution for electrodeposition so that a coating is formed on a surface of the object to be coated is provided with: a hot water washing tank in which the coated object is washed by being immersed in high-temperature washing water in the tank; and a spray washer that sprays a steel plate mating portion of the coated-object with high-temperature washing water, subsequent to washing in the hot water washing tank.Type: GrantFiled: July 13, 2016Date of Patent: June 9, 2020Assignees: Mazda Motor Corporation, Taikisha Ltd.Inventors: Katsuo Katayama, Hiroyuki Nakagawa, Hiroaki Tsuji, Akira Kawanami, Shintarou Kouno, Shigetaka Tooka, Shizuko Kurokawa
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Patent number: 10590227Abstract: The present invention suggests a curable organic polymer comprising at least one acylurea unit represented by structural formula (I): Moreover, the present invention suggests a process for the preparation of said polymer and the use of said curable organic polymer for the preparation of a cured composition and for the preparation of hydroxyurethanes.Type: GrantFiled: July 23, 2015Date of Patent: March 17, 2020Assignee: Construction Research & Technology GmbHInventors: Sophie Putzien, Burkhard Walther, Heimo Woelfle
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Patent number: 9539557Abstract: The disclosure provides a coating composition comprising a treated inorganic core particle, having improved dispersability, prepared by a process comprising: heating a slurry comprising porous silica treated inorganic core particle and water at a temperature of at least about 90° C., more typically about 93 to about 97° C., still more typically about 95 to about 97° C.; and adding a soluble alumina source to the slurry while maintaining the pH at about 8.0 to 9.5 to form an alumina treatment on the porous silica treated inorganic core particle; wherein the treated inorganic core particle does not comprise dense silica or alumina treatments, and has silica present in the amount of about 7% to about 14% and alumina present in the amount of about 4.0% to about 8.0%; and wherein the particle to particle surface treatments are substantially homogeneous.Type: GrantFiled: October 11, 2012Date of Patent: January 10, 2017Assignee: THE CHEMOURS COMPANY TT, LLCInventors: Michael Patrick Diebold, Daniel C Kraiter, Eric Rusnak, Agingu Shih
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Patent number: 9502197Abstract: Disclosed are ergonomic power switches for wearable electronic devices. A wearable electronic device may include a circuit including a power supply, and an ergonomic power switch to selectively close the circuit. The ergonomic power switch may comprise multiple elements that are configured to cause closure of the circuit in response to a connection event. The connection event may occur in response to a portion of a user's body being positioned between the multiple elements. A process may include determining, by a controller of a wearable electronic device, that a connection event has occurred, and setting a power state of the wearable electronic device to a power-on state where power is supplied to multiple electrical components of the wearable electronic device from a power supply of the wearable electronic device.Type: GrantFiled: February 25, 2016Date of Patent: November 22, 2016Assignee: Amazon Technologies, Inc.Inventor: Robert Duane Rost
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Patent number: 9469780Abstract: The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels. Certain embodiments of the present invention include water and water-dispersible polymers and other embodiments do not include water.Type: GrantFiled: September 11, 2009Date of Patent: October 18, 2016Assignee: VALSPAR SOURCING, INC.Inventors: T. Howard Killilea, James M. Bohannon
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Patent number: 8779069Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments, which have been modified by epoxidation to enhance their crosslinking ability. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.Type: GrantFiled: December 12, 2011Date of Patent: July 15, 2014Assignee: Axalta Coating Systems IP Co., LLCInventors: Simona Percec, Susan H. Tilford
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Patent number: 8574414Abstract: A method includes (a) contacting at least a portion of a substrate material with a solution comprising a source of copper, wherein the solution is essentially free of a source of a group IIIB metal and a source of a group IVB metal; and (b) after step (a), contacting at least a portion of the substrate with an electrodepositable coating composition comprising (i) a film-forming resin and (ii) a source of yttrium.Type: GrantFiled: July 14, 2010Date of Patent: November 5, 2013Assignee: PPG Industries Ohio, IncInventors: Terri Ziegler, Mark McMillen
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Patent number: 8491770Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.Type: GrantFiled: December 10, 2010Date of Patent: July 23, 2013Assignee: Axalta Coating Systems IP Co. LLCInventors: Stephen Neal Bair, Simona Percec, Susan H. Tilford
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Patent number: 8333879Abstract: A composition for use in electrodeposition includes a resin blend, a coalescing solvent, a catalyst, water, and a highly cross-linked microgel, wherein at least 20 percent by weight of resin solids in the composition is the highly cross-linked microgel. Another composition for use in electrodeposition includes a surfactant blend, a low ion polyol, phenoxypropanol, a catalyst, water, a flexibilizer, and a highly cross-linked microgel, wherein at least 20 percent by weight of resin solids in the composition is the highly cross-linked microgel.Type: GrantFiled: September 22, 2011Date of Patent: December 18, 2012Assignee: PPG Industries Ohio, Inc.Inventors: Kelly L. Moore, Michael J. Pawlik, Michael G. Sandala, Craig A. Wilson
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Patent number: 8333878Abstract: This invention teaches a method of coating a vehicle wheel to increase wear resistance which, in its preferred embodiment, includes the steps of providing a vehicle wheel and applying a wear resistant coating between/intermediate a primer and a topcoat. The wear resistant coating is applied to at least the tire bead flange of the vehicle wheel but may be applied to any area of the wheel. It is advantageously comprised of a MIL-P-53022B Type II lead and chromate free, corrosion inhibiting epoxy primer with an addition of 3% polytetrafluoroethylene (PTFE), and is formulated in such a manner so as to allow “wet on wet” application over a cured MIL-P-53084 primer. This application method improves adhesion through surface to surface covalent reaction between the polymerization of polyurethane top coat and the polymerization of intermediate epoxy polyamide wear resistant coating.Type: GrantFiled: April 30, 2010Date of Patent: December 18, 2012Assignee: Hutchinson, SAInventors: Pascal Seradarian, Larry K. Rogers, Dawn M. DiMarco, Robert D. Holmers
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Patent number: 8277626Abstract: The present invention is directed to a method for coating a substrate wherein the substrate is electrically conductive, the method comprising simultaneously applying a plurality of electrically conductive liquid materials to different portions of the substrate wherein at least one of the electrically conductive liquid materials comprises an ionic compound; and applying an electrical current to at least one of the liquid materials thereby depositing the ionic compound onto the substrate.Type: GrantFiled: June 11, 2010Date of Patent: October 2, 2012Assignee: PPG Industries Ohio, Inc.Inventors: Gary Orosz, Donald W. Boyd, Benjamin Kabagambe, James W. McCamy, Douglas A. McPheron
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Patent number: 8252160Abstract: A microfluidic device includes a substrate and a non-valve capillary mechanism. At least a reservoir and one or more channels leading to the reservoir are formed within the substrate. The non-valve capillary mechanism is within the reservoir, and prevents fluid delivered to the reservoir from wicking from the reservoir into the channels.Type: GrantFiled: July 28, 2006Date of Patent: August 28, 2012Assignee: Hewlett-Packard Development Company, L.P.Inventor: Philip Harding
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Patent number: 8236157Abstract: A pigment dispersing resin is disclosed along with pigment dispersion, electrodepositable coating compositions using the pigment dispersing resin, and methods for applying the electrodepositable coating composition. The pigment dispersing resin consists essentially of the carboxylic acid salt of an aminated bisphenol epoxy resin and an alkoxylated styrenated phenol. Pigment dispersions made from the dispersing resin are especially useful for forming low or no volatile organic content electrocoating baths.Type: GrantFiled: December 12, 2008Date of Patent: August 7, 2012Assignee: E I du Pont de Nemours and CompanyInventor: Taddesse Gebregiorgis
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Publication number: 20120145545Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.Type: ApplicationFiled: December 10, 2010Publication date: June 14, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Stephen Neal BAIR, Simona Percec, Susan H. Tilford
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Patent number: 8197654Abstract: Methods for preparing an electrodepositable coating composition are provided comprising: (a) mixing a flatting agent with an electrodepositable resin; (b) combining the mixture of (a) with a pigment paste to form a flatting agent-pigment paste mixture; and (c) combining the flatting agent-pigment paste mixture of (b) with an electrodepositable resin. Methods of coating articles including electrodepositable coating compositions prepared by these methods, as well as processes for coating electroconductive substrates with compositions prepared by these methods are also provided.Type: GrantFiled: January 22, 2009Date of Patent: June 12, 2012Assignee: PPG Industries Ohio, Inc.Inventors: Charles R. Hickenboth, Walter F. Kasper, James E. Poole
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Patent number: 8187440Abstract: A method of coating a magnesium-based substrate includes applying a first potential of electric current to the substrate and, after applying, immersing the substrate in an electrocoat coating composition. After immersing, a second potential of electric current is applied between the substrate and a counter electrode to deposit the electrocoat coating composition onto the substrate. The second potential is greater than the first potential. The method also includes curing the electrocoat coating composition to form a cured film and thereby coat the substrate. An electrocoat coating system includes the magnesium-based substrate, and the cured film disposed on the substrate and formed from the electrocoat coating composition. The substrate exhibits a negative charge from an applied first potential of electric current of ? approximately 40 V prior to contact with the electrocoat coating composition.Type: GrantFiled: August 13, 2009Date of Patent: May 29, 2012Assignee: GM Global Technology Operations LLCInventor: Guangling Song
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Patent number: 8057654Abstract: A method includes: immersing a semiconductive substrate in an electrodeposition composition, wherein at least 20 percent by weight of resin solids in the composition is a highly cross-linked microgel component, and applying a voltage between the substrate and the composition to form a dielectric coating on the substrate. A composition for use in electrodeposition includes a resin blend, a coalescing solvent, a catalyst, water, and a highly cross-linked migrogel, wherein at least 20 percent by weight of resin solids in the composition is the highly cross-linked microgel. Another composition for use in electrodeposition includes a surfactant blend, a low ion polyol, phenoxypropanol, a catalyst, water, a flexibilizer, and a highly cross-linked migrogel, wherein at least 20 percent by weight of resin solids in the composition is the highly cross-linked microgel.Type: GrantFiled: March 17, 2009Date of Patent: November 15, 2011Assignee: PPG Industries Ohio, Inc.Inventors: Kelly L. Moore, Michael J. Pawlik, Michael G. Sandala, Craig A. Wilson
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Patent number: 7862851Abstract: A process for coating electrically conductive substrates by (1) applying an electrocoat film to an electrically conductive substrate and curing it to give an electrocoat and then (2) applying a layer of a pulverulent coating material to the electrocoat and curing it to give a powder coat or alternatively (1) applying an electrocoat film to an electrically conductive substrate and drying it without fully curing it, (2) applying a layer of a pulverulent coating material to the dried electrocoat film(s) and (3) jointly curing the dried electrocoat film and the layer of the pulverulent coating material to give the electrocoat and the powder coat wherein the pulverulent coating material comprises (A) at least one epoxy resin having a melting point, melting range or glass transition temperature>30° C., (B) at least one carboxyl-containing polyester resin having a melting point, melting range or glass transition temperature>30° C.Type: GrantFiled: May 25, 2005Date of Patent: January 4, 2011Assignee: BASF Coatings AGInventors: Heinrich Wonnemann, Lars Hof, Werner Blömer
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Patent number: 7771577Abstract: Processes for forming a coating on electroconductive flat blanks having two major surfaces and sheared edges are provided. Also provided is a process for forming a multi-composite coating on a pre-sheared, electroconductive, flat blank having two major surfaces and sheared edges. Methods for forming and coating metal blanks are also provided. The present invention further provides a pre-sheared, flat electroconductive blank having two major surfaces and coated with a multi-layer composite coating composition on one major surface. The present invention also provides a method for coating a continuous metal strip, optionally, thereafter forming a coated blank therefrom, and, optionally, applying a second coating to the blank.Type: GrantFiled: September 11, 2007Date of Patent: August 10, 2010Assignee: PPG Industries Ohio, Inc.Inventors: Donald D. Emmonds, Catharine A. Palmer, Linda K. Anderson, Robin M. Peffer, Donald W. Boyd, Paul R. Kerr
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Patent number: 7291252Abstract: Steel cabinet parts and other steel objects are electrocoated in a cationic resin-containing bath. The steel objects are chromium-coated, free of phosphate and preferably free of chromium oxide. The products are not significantly subject to filiform corrosion, and the process is economically beneficial because throwpower is more easily controlled than in previous processes.Type: GrantFiled: November 25, 2002Date of Patent: November 6, 2007Assignee: United States Steel CorporationInventors: Jian X. Li, Daniel E. Bullard, Chyang J. Wu
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Patent number: 7241371Abstract: Corrosion resistance of metallic components such as stainless steel components of vehicles, and especially aluminum-based components of aircraft, is enhanced by application of an e-coat paint or primer which is enhanced by incorporation of cerium ions into the e-coat electrolytic bath. The resulting overall coating includes a cerium-based layer under a cerium-enhanced e-coat paint or primer layer.Type: GrantFiled: August 17, 2001Date of Patent: July 10, 2007Assignee: The Curators of University of MissouriInventors: James O. Stoffer, Thomas J. O'Keefe, Eric L. Morris, Xuan Lin, Scott A. Hayes, Pu Yu
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Patent number: 7211182Abstract: A process for the production of a CED (cathodic electrodeposition) coating with improved adhesion towards subsequent layers by cathodic electrodeposition of a coating layer of a CED coating composition onto an electrically conductive substrate and thermal curing by baking in an indirectly heated circulating air oven operated with a proportion of fresh air in the circulating air of the oven of 0 to 20 vol. %, wherein the CED coating composition used contains at least one water-soluble metal nitrate corresponding to a quantity of 1 to 10 mmol of nitrate per 100 g of resin solids content, wherein the metal is selected from the group consisting of metals of atomic numbers 20 to 83, with the exception of chromium, arsenic, rubidium, ruthenium, rhodium, palladium, cadmium, antimony, caesium, osmium, iridium, platinum, mercury, thallium and lead, and wherein at most 50 area-% of the CED-coated substrate surface are rinsed with water prior to thermal curing.Type: GrantFiled: September 23, 2003Date of Patent: May 1, 2007Assignee: E. I. du Pont de Nemours and CompanyInventors: Horst Lehmann, Klausjoerg Klein, Rudolf Schipfer
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Patent number: 7070683Abstract: The present invention is directed to a curable electrodepositable coating composition having a resinous phase dispersed in an aqueous medium. The resinous phase includes (a) one or more ungelled, active hydrogen-containing cationic salt group-containing resins which are electrodepositable on a cathode; (b) one or more at least partially blocked polyisocyanate curing agents; (c) at least one substantially non-volatile antioxidant; and (d) at least one volatile antioxidant. The present invention also provides a process for electrodeposition using the coating and substrates coated therewith.Type: GrantFiled: February 13, 2003Date of Patent: July 4, 2006Assignee: PPG Industries Ohio, Inc.Inventors: Robin M. Peffer, Brian G. Thebaud, Steven R. Zawacky, Gregory J. McCollum, Al J. Kaylo
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Patent number: 7067047Abstract: Use of water-insoluble organic nitrites and/or nitrates as additives for electrodeposition coating compositions, and process for the production of an electrodeposition lacquer with improved adhesion for subsequent coats in which one or more water-insoluble organic nitrites and/or nitrates is added to the electrodeposition coating composition and the coating film obtained by electrodeposition is stoved in an indirectly heated circulating air oven.Type: GrantFiled: November 29, 2000Date of Patent: June 27, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: Norbert David, Klausjörg Klein, Walter Kühhibi
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Patent number: 6947203Abstract: To provide an electrophoretic dispersion capable of reducing or preventing the aggregation of electrophoretic particles, an electrophoretic display device using the electrophoretic dispersion, a method of manufacturing the electrophoretic display device, and an electronic system superior in display performance; an electrophoretic display device (electrophoretic display unit) has: a first substrate with a first electrode; a second substrate with a second electrode opposite the first electrode; and an electrophoretic dispersion provided between the first substrate and second substrate. The electrophoretic dispersion (dispersion for electrophoretic display units) includes a liquid phase insulative dispersion medium and electrophoretic particles dispersed in the dispersion medium, the particles electrophoretically migrated under an influence of an electric field.Type: GrantFiled: June 8, 2004Date of Patent: September 20, 2005Assignee: Seiko Epson CorporationInventor: Sadao Kanbe
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Patent number: 6849169Abstract: Use of homopolymers or copolymers of 2-ethyl hexyl acrylate as an additive in aqueous cathodically depositable coatings to suppress the formation of surface defects in coating films, in which the proportion by mass of the comonomers in the monomer mixture used for the preparation of the copolymers does not exceed 35%.Type: GrantFiled: April 30, 1999Date of Patent: February 1, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Helmut Hoenig, Georg Pampouchidis, Gerald Hobisch
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Publication number: 20040159548Abstract: The present invention is directed to a curable electrodepositable coating composition having a resinous phase dispersed in an aqueous medium. The resinous phase includes (a) one or more ungelled, active hydrogen-containing cationic salt group-containing resins which are electrodepositable on a cathode; (b) one or more at least partially blocked polyisocyanate curing agents; (c) at least one substantially non-volatile antioxidant; and (d) at least one volatile antioxidant. The present invention also provides a process for electrodeposition using the coating and substrates coated therewith.Type: ApplicationFiled: February 13, 2003Publication date: August 19, 2004Inventors: Robin M. Peffer, Brian G. Thebaud, Steven R. Zawacky, Gregory J. McCollum, Al J. Kaylo
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Patent number: 6746588Abstract: The invention provides a cationic electrodeposition method requiring the immersion of a conductive substrate in a coating composition, applying a voltage between an anode and the conductive substrate, and removing the substrate from the coating composition. The coating composition of the invention comprises, in an aqueous medium, an aqueous dispersion of a resin composition comprising: (A) a polymer having at least one primary carbamate group and one or more quaternary ammonium groups, (B) a carbamate functional reactive additive which is generated insitu during the production of polymer (A) and (C) a compound having a plurality of active methylol or methylalkoxy groups that are reactive with said carbamate groups.Type: GrantFiled: October 26, 2001Date of Patent: June 8, 2004Assignee: BASF CorporationInventor: Timothy S. December
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Patent number: 6736950Abstract: Method of electro-dipcoating while reducing edge migration on stoving by 1) electro-deposition of a coating layer from an electrically depositable coating composition containing a heat-curable binder system having a content of olefinically unsaturated double bonds that are radically polymerisable under UV irradiation, on an electrically conductive substrate having edges, 2) UV irradiation of at least part of the electrically deposited coating layer, avoiding complete curing, 3) complete curing of the electrically deposited coating layer by stoving.Type: GrantFiled: March 28, 2002Date of Patent: May 18, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Klausjörg Klein, Walter Kühhiri, Siegfried Kuphal
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Patent number: 6713587Abstract: The present invention relates to an electrodepositable coating composition having a resinous phase dispersed in an aqueous medium. The resinous phase includes (a) an ungelled, active hydrogen-containing, ionic salt group-containing resin; and (b) a curing agent reactive with the active hydrogens of the resin (a). The resinous phase has a covalently bonded halogen content based on total weight of resin solids present in the resinous phase such that when the composition is electrodeposited and cured, the cured film passes flame resistance testing in accordance with IPC-TM-650, and has a dielectric constant of less than or equal to 3.50. The invention also is directed to a method for forming a dielectric coating on an electroconductive substrate using the electrodepositable coating composition, as well as to a substrate coated with the electrodepositable composition.Type: GrantFiled: June 27, 2002Date of Patent: March 30, 2004Assignee: PPG Industries Ohio, Inc.Inventors: Gregory J. McCollum, Thomas C. Moriarity, Kevin C. Olson, Michael G. Sandala, Alan E. Wang, Craig A. Wilson, Steven R. Zawacky
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Publication number: 20030150730Abstract: Novel electrodeposition coating material preparable by (i) melting at least one self-crosslinking binder, or (ii) separately melting at least one externally crosslinking binder and at least one crosslinking agent and supplying the melts to a mixing unit in which the melts are homogenized, introducing the resultant melt into an aqueous medium, and emulsifying it therein; and the use of the novel electrodeposition coating material to coat electrically conductive substrates.Type: ApplicationFiled: January 29, 2003Publication date: August 14, 2003Inventors: Michael Hartung, Karl-Heinz Grosse-Brinkhaus, Reinhard Polke, Heiko Wolf, Michael Stang
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Publication number: 20030132115Abstract: A barrel with small parts is rotatably mounted in an e-coating line including a coating section and a curing section. After coating of the parts within the coating section, the barrels are moved directly through the curing section. In both the coating section and the curing section, the barrels are rotated to create a complete coating of each part and to subsequently cure th coating within the same barrel.Type: ApplicationFiled: January 15, 2002Publication date: July 17, 2003Inventors: Bradley M. Andreae, Bradley S. Andreae, Karl M. Wisniewski, Roger A. Kelly
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Patent number: 6588095Abstract: A method, and structure formed thereof, for processing an exposed conductive connection between an thermal inkjet head device and a flexible tape circuit connectable to control signals for driving the inkjet device. According to the method of processing, the exposed conductive connection is electrophoretically plated with a polymer to protect it against corrosive damage by coupling the exposed conductive connection to a first voltage potential and immersing it into an electrophoretic polymer solution in contact with an electrode at a second voltage potential thereby establishing a current between the electrode and the exposed connection such that the exposed connection is coated with a thin film of polymer of uniform thickness.Type: GrantFiled: April 27, 2001Date of Patent: July 8, 2003Assignee: Hewlett-Packard Development Company, LP.Inventor: Alfred I-Tsung Pan
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Publication number: 20030121786Abstract: Aqueous electrophoretic lacquer capable of being deposited cataphoretically, containingType: ApplicationFiled: November 4, 2002Publication date: July 3, 2003Inventors: Andreas Fieberg, Volker Rekowski, Dietrich Saatweber, Hans-Ulrich Simmrock, Bettina Vogt-Birnbrich
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Publication number: 20030102216Abstract: A process of coating the surface of articles made of glass pieces assembled in a came to minimize breakage of glass during application and hardening of the coating The process includes the steps of preprocessing the article, electrodepositing the coating on the article, and hardening the electrodeposited and coated article glass step-by-step.Type: ApplicationFiled: November 27, 2001Publication date: June 5, 2003Inventor: Kwang Soon Kim
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Publication number: 20030098238Abstract: The invention provides a photodegradation resistant curable electrodepositable coating composition which includes one or more ungelled, active hydrogen-containing cationic sulfonium salt group-containing resins which are electrodepositable on a cathode, and one or more curing agents having cationic groups or groups which are capable of forming cationic groups. The invention also provides processes for coating an electroconductive substrate with the coating composition, to form single layer or multi-layer composite coatings. Also provided is a multi-layer composite coating in which the electrodepositable coating composition is used to form the primer layer. The compositions have improved throw power versus typical sulfonium salt electrodepositable compositions.Type: ApplicationFiled: November 8, 2001Publication date: May 29, 2003Inventors: Anthony D. Kulfan, Ellor J. Van Buskirk, Craig A. Wilson
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Publication number: 20030034249Abstract: An image forming method wherein an aqueous dispersion is prepared in a vessel of an apparatus. The aqueous dispersion contains an electrodeposition material including a fine particle coloring material, and a polymer which is chemically dissolved, or is deposited and precipitated, by a change in pH. The vessel is able to hold a liquid, and has therein an image supporting member. The image supporting member has at least an electrode, which can supply current or an electric field in accordance with an image pattern, and a surface which can support an image; and a counter electrode which forms a pair of electrodes together with the electrode. The electrodeposition material is deposited and precipitated to form an image by supplying current or an electric field in accordance with an image pattern to the image supporting member and the counter electrode and by changing the pH value of the aqueous dispersion in the vicinity of the image supporting surface of the image supporting member.Type: ApplicationFiled: January 12, 2001Publication date: February 20, 2003Applicant: Fuji Xerox Co., Ltd.Inventors: Eiichi Akutsu, Shigemi Ohtsu, Lyong Sun Pu
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Patent number: 6512048Abstract: The invention provides a polymer (a) having a polymer backbone having appended thereto at least one carbamate functional group, the polymer represented by randomly repeating units according to the formula: R1 represents H or CH3, R2 represents H, alkyl, or cycloalkyl, L represents a divalent linking group, A represents repeat units comprising at least one repeat unit having a pendant cationic salting group, x represents 10 to 90 weight %, and y represents 90 to 10 weight %. The invention further provides a cathodic electrocoat coating composition comprising an aqueous dispersion of a polymer (a) and (b) a compound having a plurality of functional groups that are reactive with said carbamate groups, wherein the repeat units A of polymer (a) having a pendant cationic salting group are salted with an acid.Type: GrantFiled: October 26, 2000Date of Patent: January 28, 2003Assignee: BASF CorporationInventors: Timothy S. December, Walter H Ohrbom, Gregory G. Menovcik
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Publication number: 20030008156Abstract: A composition for electrophoretic deposition of a protective coating. The composition comprises a cationic resin emulsion; and a curative mixed with the cationic resin emulsion. The composition after electrophoretic deposition and curing provides the protective coating that has a concentration of extractable ionic contaminants less than about 200 nanograms/cm2; and a concentration of labile components less than about 36,000 nanograms/cm2.Type: ApplicationFiled: June 26, 2001Publication date: January 9, 2003Applicant: 3M Innovative Properties CompanyInventors: Alphonsus V. Pocius, Rita A. Latourelle
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Publication number: 20020166770Abstract: A process for the production of a multi-layer coating, wherein a primer layer which is electrically conductive in the at least partially cured state is applied by electrodeposition from an electrodeposition coating agent (I) to an electrically conductive three-dimensional object, at least partially cured exclusively by the action of near infra-red radiation substantially only on the surfaces of the object exposed to the radiation, and an additional coating layer is applied by electrodeposition from an electrodeposition coating agent (II) which is different from electrodeposition coating agent (I), and then this additional coating layer as well as completely uncured or incompletely cured area parts of the primer layer produced from electrodeposition coating agent (I) are cured.Type: ApplicationFiled: May 10, 2001Publication date: November 14, 2002Inventors: Matthias Kimpel, Martin Wulf, Oliver Reis
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Patent number: 6471843Abstract: The invention provides a cathodic electrocoat coating composition having (A) a polymer comprising at least one primary carbamate group and at least one cationic salting site, (B) a curing agent having groups that are reactive with said functional groups on (A), and (C) a reactive additive comprising at least one compound having a molecular weight of from 131 to 2000 and comprising at least one primary carbamate group and at least one alkyl group selected from the group consisting of branched alkyl groups of from 5 to 30 carbons, straight chain alkyl groups of more than 10 carbons, and mixtures thereof, wherein one or both of (A) and (B) comprise groups that are reactive with the primary carbamate group of (C).Type: GrantFiled: July 17, 2001Date of Patent: October 29, 2002Assignee: BASF CorporationInventors: Timothy S. December, Walter H Ohrbom
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Patent number: 6447931Abstract: The present invention discloses a plural layer coating film-forming method comprising applying a cationically electrodepositable coating material (A) which provides a cured coating film having a volume resistivity value of 1012 &OHgr;.cm or less on a coated article and then applying an anionically electrodepositable coating material (B) on a cured coating film surface thereof.Type: GrantFiled: July 7, 2000Date of Patent: September 10, 2002Assignee: Kansai Paint Co., Ltd.Inventors: Shinji Miyatake, Hidehiko Haneishi, Akira Tominaga
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Publication number: 20020027077Abstract: An electrodeposition coating composition that is excellent in bath stability and that can give a cured film enhanced in hardness and an electrodeposition coating process is provided.Type: ApplicationFiled: August 16, 2001Publication date: March 7, 2002Inventors: Hiroyuki Sakamoto, Ichiro Kawakami, Koji Izumiya, Takao Saito, Masahiro Nishio
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Publication number: 20020014412Abstract: The invention provides a cured multilayer coating having improved properties and a process for the production of said cured multilayer coating.Type: ApplicationFiled: July 17, 2001Publication date: February 7, 2002Inventor: Timothy S. December
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Patent number: 6248225Abstract: A process for applying two electrodeposited coatings, one on top of the other, to an electrically conductive substrate is provided. An electrically conductive first coating is applied to provide for corrosion resistance and a second polyurethane-based coating is applied to the first coating to provide chip resistance. Also, aqueous dispersions of the polyurethane coating compositions are disclosed.Type: GrantFiled: May 11, 1999Date of Patent: June 19, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Thomas Palaika, Ellor J. Van Buskirk, Victor G. Corrigan, Venkatachalam Eswarakrishnan, Gregory J. McCollum, Robert R. Zwack, Philippe Faucher, Craig A. Wilson, Chester J. Szymanski, James E. Poole, Keith S. Ritter, Richard F. Syput
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Patent number: 6190525Abstract: Disclosed are improved electrodeposition bath compositions comprising a resinous phase dispersed in an aqueous medium, the resinous phase being comprised of an active hydrogen containing ionic electrodepositable resin and a curing agent, where the improvement comprises the addition to an electrodeposition bath of at least one source of yttrium in an amount of about 10 to 10,000 parts per million of total yttrium based on electrodeposition bath weight. The electrodeposition bath compositions are preferably cationic and provide for excellent corrosion resistance over a variety of metal substrates including untreated steel. Also disclosed is a method of electrocoating a conductive substrate using the improved electrodeposition bath compositions of the invention. Metallic substrates which are coated using the method of the invention are also disclosed.Type: GrantFiled: April 22, 1999Date of Patent: February 20, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Richard F. Karabin, Alan J. Kaylo