Antifogging Or Water Repellent Composition For Optical Or Windshield Application Or Process Of Preparing Patents (Class 523/169)
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Patent number: 11015063Abstract: An anti-icing coating can include an amphiphilic copolymer on a surface of an article.Type: GrantFiled: March 21, 2017Date of Patent: May 25, 2021Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Dayong Chen, Robert E. Cohen, Gareth H. McKinley
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Patent number: 10682834Abstract: The present disclosure is directed to peelable, heat-sealable lidding films for containers of diverse polymer compositions storing various products such as foodstuffs and pharmaceuticals. The lidding films disclosed herein can be heat-sealed to crystalline polyester trays (CPET), easily peeled, and contain improved antifogging performance by incorporating a non-migratory antifogging additive into the heat sealable layer of the film without deteriorating seal strengths.Type: GrantFiled: March 31, 2017Date of Patent: June 16, 2020Assignee: TORAY PLASTICS (AMERICA), INC.Inventors: Kari Shoolbraid, Takafumi Sakai
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Patent number: 9840639Abstract: The present invention relates to hydrophilic anti-fog coatings. In particular, the coatings use two types of nanoscale particles, colloidal silica and porous organosilicate micelles, in a polyurethane matrix. The invention is an anti-fog coating for optically clear substrates (polycarbonate, polyurethane, nylon, polyester and other clear plastics) without the need for a primer and glass or oxide substrates with an additional primer layer, comprising monosized colloidal silica nanoparticles and porous organosilicate micelles in a polyurethane matrix. The silica is preferably 1-5% by weight and the micelles are loaded at 0.1 to 10% volume percentage by volume.Type: GrantFiled: March 20, 2015Date of Patent: December 12, 2017Assignee: INNOSENSE LLCInventors: Uma Sampathkumaran, Kevin H. Yu, Corey M. Selman
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Patent number: 9765224Abstract: Disclosed is an antifogging film-forming material obtained by reacting, in the presence of a quaternary ammonium salt or quaternary phosphonium salt, a copolymer represented by a certain general formula with a multifunctional epoxy compound having a solubility of 40-100 mass % in 25° C. water. The antifogging film-forming material is characterized by having a weight average molecular weight of 100,000-5,000,000. With this material, it becomes possible to obtain an antifogging article excellent in antifogging property, heat resistance, chemical resistance and abrasion resistance.Type: GrantFiled: February 20, 2013Date of Patent: September 19, 2017Assignee: Central Glass Company, LimitedInventors: Chiharu Takimoto, Toshihiro Hirano, Toru Ashida, Nozomi Oonishi
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Patent number: 9084982Abstract: Provided are: a water-absorbing resin composition and a laminate using the resin composition. The resin composition is capable of giving a transparent anti-fog coating excellent in properties such as appearance, coatability, anti-fog properties, water resistance, and heat resistance. Specifically, a resin composition includes a specific (meth)acrylamide copolymer (A) in combination with at least one bifunctional or higher (meth)acrylate compound (B), in which the (meth)acrylamide copolymer (A) is copolymerized from a (meth)acrylamide monomer with another monomer. This resin composition provides an active-energy-ray-curable water-absorbing resin composition and a laminate using the resin composition, each having excellent anti-fog properties.Type: GrantFiled: December 16, 2011Date of Patent: July 21, 2015Assignees: DAICEL-ALLNEX LTD., DAICEL FINECHEM LTD.Inventors: Fumio Tanabiki, Akira Okazaki, Toshihiko Nijukken
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Publication number: 20150111043Abstract: Disclosed is an antifogging film-forming material obtained by reacting, in the presence of a quaternary ammonium salt or quaternary phosphonium salt, a copolymer represented by a certain general formula with a multifunctional epoxy compound having a solubility of 40-100 mass % in 25° C. water. The antifogging film-forming material is characterized by having a weight average molecular weight of 100,000-5,000,000. With this material, it becomes possible to obtain an antifogging article excellent in antifogging property, heat resistance, chemical resistance and abrasion resistance.Type: ApplicationFiled: February 20, 2013Publication date: April 23, 2015Inventors: Chiharu Takimoto, Toshihiro Hirano, Toru Ashida, Nozomi Oonishi
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Patent number: 8921455Abstract: Provided is an anti-fog coating composition that rarely suffers from blushing when applied and dried even under high-humidity conditions and that can be heat-cured even at low temperature in a short time and form a coating film that exhibits excellent tight adhesion to a substrate and excellent heat resistance and anti-fog properties. The anti-fog coating composition comprises (A) a copolymer prepared from a monomer mixture of a monomer (A1), a monomer (A2) and a monomer (A3); (B) a basic compound such as amines; and (C) a surfactant such as anionic surfactants. The monomer (A1) is a vinyl monomer that has an N-methylol group or an N-alkoxymethylol group. The monomer (A2) is a vinyl monomer that has a sulfonic acid group. The monomer (A3) is an alkyl(meth)acrylate monomer.Type: GrantFiled: December 21, 2010Date of Patent: December 30, 2014Assignee: NOF CorporationInventors: Takamitsu Kano, Shinji Mashiko, Takuro Makiguchi, Michihisa Yamada
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Publication number: 20140377566Abstract: The present disclosure is directed to transparent composites having anti-fogging properties and anti-fog coating compositions for providing anti-fogging properties. The anti-fogging layers can contain an adhesive polymer, a hard polymer, and a hydrophilic polymer, wherein the adhesive polymer, hard polymer, and hydrophilic polymers are different. In further embodiments, composites are described including a substrate layer; a first adhesive layer; a first transparent layer; a second adhesive layer; a second transparent layer; and an anti-fog layer.Type: ApplicationFiled: June 25, 2014Publication date: December 25, 2014Inventors: Debasis Majumdar, Ryan C. Hirschey, John P. Russo, Gerard T. Buss
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Publication number: 20140335360Abstract: An anti-fog coating composition is described comprising an aqueous polymeric dispersion; a crosslinker, and a surfactant. The dried and cured coating composition does not exhibit fogging within 8 seconds after being soaked in 25° C. water for 1 hour. In favored embodiments, the dried and cured coating composition does not exhibit fogging within 60 seconds after being soaked in 50° C. water for 24 hours. Also described are articles comprising the dried and cured coating composition disposed on a substrate as well as a method a providing an anti-fog coating on a substrate.Type: ApplicationFiled: November 1, 2012Publication date: November 13, 2014Applicant: 3M Innovative Properties CompanyInventors: Naiyong Jing, Yongshang Lu, Dang Xie, Zhigang Yu, John L. Battiste, Alan L. Levin, Caroline M. Ylitalo, Mahfuza B. Ali
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Publication number: 20140295175Abstract: There are provided an antifogging article having a water absorbing layer which excels in antifogging property, in durability and appearance, a method for manufacturing the same, an article for transportation apparatus having the antifogging article, and a water absorbing layer forming composition. The antifogging article has a substrate and an antifogging film on a surface of the substrate, in which the antifogging film has a water absorbing layer constituted of a water absorbing material with a saturated water absorption amount of 50 mg/cm3 or more, the water absorbing material is containing a first cured epoxy resin obtained by reacting the composition containing a polyepoxide component, a polyaddition type curing agent, and a catalyst type curing agent, and the polyepoxide component is constituted only of at least two polyepoxides selected from aliphatic polyepoxides with molecular weights of 800 to 3000. The article for transportation apparatus has the antifogging article.Type: ApplicationFiled: June 16, 2014Publication date: October 2, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Noriko KISHIKAWA, Yusuke Mori, Takashige Yoneda
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Patent number: 8829064Abstract: A compound of substantially transparent resin and amorphous silica particulate is disclosed. The silica particulate are nanometric size and dispersed throughout in the resin. The compound can be used to make an article to diffuse and transmit light from a point source of light.Type: GrantFiled: December 21, 2006Date of Patent: September 9, 2014Assignee: PolyOne CorporationInventors: Roger W. Avakian, John Papadopulos
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Publication number: 20140154451Abstract: The invention provides monolayer films which not only have hydrophilicity and are excellent in such properties as antifogging properties, antifouling properties, antistatic properties and anti-condensation properties but also tend to exhibit excellent transparency even with a large film thickness and excellent scratch resistance, as well as stacks having the monolayer film.Type: ApplicationFiled: July 25, 2011Publication date: June 5, 2014Inventor: Koju Okazaki
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Publication number: 20140116465Abstract: A coating composition for imparting a hydrophobic film on a target surface is provided that, includes an oil of a silicone oil or a fluoropolymer oil or a combination thereof, a resin, and a dry lubricant. A solvent is present to form a solution of the oil and resin. A coating is imparted to an applicator that in turn can transfer the coating as a hydrophobic film. The coating composition is stable and able to impart hydrophobic film even after storage for several weeks at elevated temperature. The coating composition does so through the exclusion of synthetic waxes especially including silicone waxes. A kit is also provided that includes a wiper blade having the above coating composition applied along with instructions for the securement of the wiper blade to a vehicle to impart the hydrophobic film to a vehicle windshield contacted by the wiper blade.Type: ApplicationFiled: October 29, 2012Publication date: May 1, 2014Inventor: Jiafu Fang
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Patent number: 8653213Abstract: Hydrophobic coating compositions are provided as are processes to coat articles with the compositions. Extremely hydrophobic coatings are provided by the compositions. Compositions that include perfluorohexyl(meth)acrylate and a branched or high Tg monomer are provided as are articles coated with the polymerization product of the composition. Methods are also provided for forming hydrophobic coatings on articles.Type: GrantFiled: August 16, 2011Date of Patent: February 18, 2014Assignee: Cytonix, LLCInventor: James F Brown
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Publication number: 20140044869Abstract: An anti-fog composition is provided that includes a superabsorbent polymer that along with a wetting agent are dissolved in a solvent. The superabsorbent polymer excludes hydroxylated acrylate and methacrylate polymers. The composition upon being applied to a substrate with the excess composition removed, an anti-fog film is formed on the substrate without resort to heat treatment and vacuum processing or other complex application processes associated with. The composition is well suited for formation of an end user kit for applying such a film to a substrate. Such a kit includes a container for the composition or a wipe wet with the composition. The container being a bottle or a propellant filled aerosol canister. Upon wiping residual composition from the substrate, the anti-fog film is produced without resort to prior art and complex application processes.Type: ApplicationFiled: March 15, 2013Publication date: February 13, 2014Applicant: ILLINOIS TOOL WORKS, INC.Inventor: Tze Lee Phang
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Patent number: 8371164Abstract: The gauge lens with anti-fog film includes a substantially planar transparent lens substrate having an outer surface and an inner surface and a thin film possessing anti-fog properties adjacent and substantially covering the inner surface of the lens substrate to provide a low angle of contact for water and moisture. The anti-fog film is bonded to the lens substrate during the molding process that produces the lens substrate shape. The anti-fog film comprises a hydrophilic material or is coated with a hydrophilic coating. In addition to the anti-fog film, in another embodiment, the outer surface of the lens substrate has a hard coat film adjacent and substantially covering the outer surface of said lens. The materials for the lens substrate, anti-fog film, and hard coat film are selected based on the application, performance, and stability of the gauge lens in the environment that it is operated.Type: GrantFiled: December 11, 2008Date of Patent: February 12, 2013Assignee: Flextronics Automotive Inc.Inventor: Brian Sneek
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Patent number: 8338351Abstract: A coating composition and process for generating transparent, near-transparent, and semi-transparent super-hydrophobic coatings on surfaces having a contact angle of greater than 165 degrees. The composition comprises hydrophobic nanoparticles of silsesquioxanes containing adhesion promoter groups and low surface energy groups.Type: GrantFiled: March 29, 2011Date of Patent: December 25, 2012Assignee: Ashland Licensing and Intellectual Property, LLCInventors: Subbareddy Kanagasabapathy, Richard J. Baumgart, Wen-Chen Su, Frances E. Lockwood, Vinod Kanniah
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Patent number: 8281657Abstract: The gauge lens with anti-fog film includes a substantially planar transparent lens substrate having an outer surface and an inner surface and a thin film possessing anti-fog properties adjacent and substantially covering the inner surface of the lens substrate to provide a low angle of contact for water and moisture. The anti-fog film is bonded to the lens substrate during the molding process that produces the lens substrate shape. The anti-fog film comprises a hydrophilic material or is coated with a hydrophilic coating. In addition to the anti-fog film, in another embodiment, the outer surface of the lens substrate has a hard coat film adjacent and substantially covering the outer surface of said lens. The materials for the lens substrate, anti-fog film, and hard coat film are selected based on the application, performance, and stability of the gauge lens in the environment that it is operated.Type: GrantFiled: October 26, 2010Date of Patent: October 9, 2012Assignee: Flextronics Automotive Inc.Inventor: Brian Sneek
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Publication number: 20120245250Abstract: Provided is an anti-fog coating composition that rarely suffers from blushing when applied and dried even under high-humidity conditions and that can be heat-cured even at low temperature in a short time and form a coating film that exhibits excellent tight adhesion to a substrate and excellent heat resistance and anti-fog properties. The anti-fog coating composition comprises (A) a copolymer prepared from a monomer mixture of a monomer (A1), a monomer (A2) and a monomer (A3); (B) a basic compound such as amines; and (C) a surfactant such as anionic surfactants. The monomer (A1) is a vinyl monomer that has an N-methylol group or an N-alkoxymethylol group. The monomer (A2) is a vinyl monomer that has a sulfonic acid group. The monomer (A3) is an alkyl(meth)acrylate monomer.Type: ApplicationFiled: December 21, 2010Publication date: September 27, 2012Applicant: NOF CORPORATIONInventors: Takamitsu Kano, Shinji Mashiko, Takuro Makiguchi, Michihisa Yamada
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Patent number: 8258219Abstract: Disclosed is a coating composition for a wiper blade, which includes a silicone-based wax, a silicone oil and a solid lubricant so that the silicon-based wax in a liquid phase dissolved in the silicone oil coexists with the solid lubricant for extended time periods. Also, a wiper blade is provided, which has a rib including a coating layer formed from the coating composition, so that upon operation of the wiper blade, components of the coating layer dissolve out of the surface of the coating layer and are then transferred onto a windshield due to friction between the wiper blade and the windshield, thereby forming on the surface of the windshield a water repellent film which is hard and has outstanding durability.Type: GrantFiled: March 5, 2010Date of Patent: September 4, 2012Assignee: Naotech Co., Ltd.Inventors: Masahito Shimada, Sun Rye Lee, Chang Soo Lee
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Patent number: 8227085Abstract: To provide an anti-fogging article having excellent anti-fogging performance and further having excellent durability, and an anti-fogging agent composition. An anti-fogging article comprising a substrate and a water-absorptive crosslinked resin layer formed on the surface of the substrate, wherein the water-absorptive crosslinked resin is a crosslinked resin with a saturated water absorption of at least 45 mg/cm3, or a water-absorptive crosslinked resin with a glass transition point of at least 50° C. as measured by a differential scanning calorimeter and further with a saturated water absorption of at least 45 mg/cm3.Type: GrantFiled: May 1, 2008Date of Patent: July 24, 2012Assignee: Asahi Glass Company, LimitedInventors: Noriko Kishikawa, Takashige Yoneda
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Publication number: 20110000816Abstract: The present invention is directed to a kit for rendering a glass surface water repellent. This invention is particularly directed to a kit for coating a windshield of a vehicle to render the windshield water repellent.Type: ApplicationFiled: March 12, 2008Publication date: January 6, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANY SOFT99 CORPORATIONInventors: Masahiro Kato, Akinori Tanaka, Masahiro Sasagawa, Hiromitsu Adachi
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Publication number: 20100267862Abstract: Disclosed herein is a winter precipitation barrier composition, comprising: a retaining agent, a solvent, and optionally, an auxiliary component, such as a rheology/viscosity modifier, surfactant, detergent, foaming/defoaming additive, humectant, dye, colorant, fragrance, or a combinations thereof. In one embodiment, the retaining agent comprises a primarily hydrophobic monomer or a hydrophilic monomer.Type: ApplicationFiled: July 2, 2010Publication date: October 21, 2010Inventors: Andrew E. Fenwick, Rebecca A. Marshall, David L. Balog
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Publication number: 20100234489Abstract: Disclosed is a coating composition for a wiper blade, which includes a silicone-based wax, a silicone oil and a solid lubricant so that the silicon-based wax in a liquid phase dissolved in the silicone oil coexists with the solid lubricant for extended time periods. Also, a wiper blade is provided, which has a rib including a coating layer formed from the coating composition, so that upon operation of the wiper blade, components of the coating layer dissolve out of the surface of the coating layer and are then transferred onto a windshield due to friction between the wiper blade and the windshield, thereby forming on the surface of the windshield a water repellent film which is hard and has outstanding durability.Type: ApplicationFiled: March 5, 2010Publication date: September 16, 2010Applicant: NAOTECH CO., LTD.Inventors: Masahito SHIMADA, Sun Rye LEE, Chang Soo LEE
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Publication number: 20100068486Abstract: The present invention relates to an automobile window material that can be prevented from suffering from fogging even when exposed to outside air having a considerably low temperature, as well as an automobile having such a window material. The automobile window material is configured to be affixed to an opening of an automobile, and includes a substrate and a coating film provided on that surface of the substrate which faces to an interior of the automobile when affixed to the opening of the automobile. The coating film contains a surfactant capable of adsorbing and holding water vapor and a hydrophilic organic material.Type: ApplicationFiled: March 10, 2008Publication date: March 18, 2010Applicant: NIPPON SHEET GLASS CO., LTD.Inventor: Hisayuki Kayanoki
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Patent number: 7601768Abstract: An antifogging paint composition for forming an antifogging coating film without generation of the running water trace. The antifogging paint composition contains a block or grafted copolymer comprising a hydrophilic polymer part formed from a vinyl monomer having a cross-linking functional group and a water-soluble vinyl monomer, and a hydrophobic polymer part formed from a non water-soluble vinyl monomer, and an acidic alkyl phosphate.Type: GrantFiled: July 23, 2002Date of Patent: October 13, 2009Assignee: Nippon Oil & Fats Co. Ltd.Inventors: Norikazu Takizuka, Eiji Harata, Masato Sugiura
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Patent number: 7579056Abstract: Hydrophobic coating compositions are provided as are processes to coat articles with the compositions. Extremely hydrophobic coatings are provided by the compositions. Durable, weatherable and scratch-resistant coatings are provided by compositions comprising a fluorinated component and an adhesion promoter compound. The adhesion promoter compound can include an alkoxy group, a furfuryl-containing ring structure, and a reactive group.Type: GrantFiled: December 29, 2006Date of Patent: August 25, 2009Assignee: Cytonix CorporationInventor: James F. Brown
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Publication number: 20090117794Abstract: A composition for forming an antifogging coating is provided. The composition includes substantially 0.1 to 10 parts by weight of numerous ultrafine particles, substantially 0.1 to 10 parts by weight of a polymeric electrolyte and substantially 80 to 100 parts by weight of water. When a layer of the composition on a material surface is dried, the antifogging coating of super-hydrophilic nanostructure constructed by these ultrafine particles is formed on the material surface.Type: ApplicationFiled: January 30, 2008Publication date: May 7, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hung-Chiao Cheng, Wen-Hann Chou, Ya-Hui Lin, Yu-Ming Wang, Yeu-Kuen Wei
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Patent number: 7524890Abstract: The present invention is directed to a photocurable and antistatic resin composition for coating an optical fiber, comprising (A) a photopolymerizable urethane acrylate oligomer, (B) a reactive monomer having at least one (meth)acrylate or vinyl group, (C) a photoinitiator, and (D) an antistatic agent compatible with the oligomer and monomer components, and optionally (E) a pigment or dye. The coating of the inventive composition can increase the productivity of the optical fiber, and provide an optical fiber having a uniform coating layer.Type: GrantFiled: August 13, 2004Date of Patent: April 28, 2009Assignee: Luvantix Co., LtdInventors: Dae Sung Lee, Kyoung Beom Min, Jae Myoung Ryu, Hae Woog Choi, Yong Min Kim
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Publication number: 20090018236Abstract: An antihazing agent for noncrystalline cycloolefin resins which can inhibit the hazing of the resins due to fine cracking caused by environmental change, particularly, environmental change from high temperature and humidity atmosphere to ordinary temperature and humidity atmosphere without losing the characteristics inherent in the resins to keep the transparency of the resins and inhibit the light transmittance thereof from lowering; noncrystalline cycloolefin resin compositions containing the agent; and optical elements made from the compositions. A compound component containing a metal rosinate as the main component is used as the antihazing agent for noncrystalline cycloolefin resins. It is particularly preferable that the antihazing agent further contain one or more members selected from the group consisting of alkali metal salts, alkaline earth metal salts, and Group 12 metal salts.Type: ApplicationFiled: October 30, 2006Publication date: January 15, 2009Applicant: POLYPLASTICS CO., LTD.Inventors: Eiki Kunimoto, Hirotaka Miyazaki, Hajime Serizawa
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Publication number: 20090011244Abstract: To provide an anti-fogging article having excellent anti-fogging performance and further having excellent durability, and an anti-fogging agent composition. An anti-fogging article comprising a substrate and a water-absorptive crosslinked resin layer formed on the surface of the substrate, wherein the water-absorptive crosslinked resin is a crosslinked resin with a saturated water absorption of at least 45 mg/cm3, or a water-absorptive crosslinked resin with a glass transition point of at least 50° C. as measured by a differential scanning calorimeter and further with a saturated water absorption of at least 45 mg/cm3.Type: ApplicationFiled: May 1, 2008Publication date: January 8, 2009Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Noriko Kishikawa, Takashige Yoneda
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Publication number: 20080262117Abstract: A compound of substantially transparent resin and amorphous silica particulate is disclosed. The silica particulate are nanometric size and dispersed throughout in the resin. The compound can be used to make an article to diffuse and transmit light from a point source of light.Type: ApplicationFiled: December 21, 2006Publication date: October 23, 2008Applicant: POLYONE CORPORATIONInventors: Roger W. Avakian, John Papadopulos
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Publication number: 20080207797Abstract: An anti-fogging coating solution comprising a homopolymer of a repeating unit derived from an ethylenic monomer having a hydroxyl group in the side chain or a copolymer of the above repeating unit and a repeating unit derived from an ethylenic monomer having an epoxy group, alkoxycarbonyl group, carboxyl group, amido group or amino group in the side chain as a resin component. A film formed from the coating solution of the present invention has excellent scratch resistance, initial anti-fogging property and anti-fogging retainability.Type: ApplicationFiled: February 21, 2006Publication date: August 28, 2008Inventors: Koji Takahashi, Hisayuki Kayanoki, Kenji Mori
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Aqueous Polymer Dispersions Comprising Effect Substances, Processes For Preparing Them And Their Use
Publication number: 20080146448Abstract: Aqueous polymer dispersions comprising effect substances with a mean particle size of the dispersed particles of <1000 nm, in which the polymer particles comprise a polymer matrix of at least one ethylenically unsaturated monomer, at least 0.Type: ApplicationFiled: March 10, 2005Publication date: June 19, 2008Applicant: Basf AktiengesellschaftInventors: Rainer Dyllick-Brenzinger, Alban Glaser, Matthias Bratz, Felix Christian Gorth, Christian Kruger, Gunter Oetter -
Patent number: 7344783Abstract: A hydrophobic coating including solid silsesquioxane silicone resins to increase durability is provided. The hydrophobic coating is any composition that increases the contact angle to a surface, preferably glass. The durability of the hydrophobic coating is preferably increased to one and a half years, more preferably three years.Type: GrantFiled: July 7, 2004Date of Patent: March 18, 2008Assignee: Shell Oil CompanyInventor: Timothy Michael Shea
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Patent number: 7153584Abstract: Hybrid films, such as those having good abrasion-resistance and defogging properties, antireflection films including it, optical products, and methods for restoring the defogging property of the hybrid films are disclosed. The hybrid films having a defogging property may be obtained through vapor deposition of an organic compound having a hydrophilic group and a reactive group along with silicon dioxide or with silicon dioxide and aluminum oxide. The antireflection film may be formed on a substrate having the hybrid film as the outermost layer opposite to the substrate. The optical product may comprise a plastic substrate and the antireflection film having the hybrid film. A method for restoring the defogging property of the hybrid film of the optical product may include washing the hybrid film.Type: GrantFiled: November 5, 2004Date of Patent: December 26, 2006Assignee: Hoya CorporationInventors: Hiroshi Shirakawa, Takeshi Mitsuishi, Kenichi Shinde
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Patent number: 6946498Abstract: A coating composition comprising (1) an anionic surfactant comprising a sulfonic acid salt, (2) a sol of fine inorganic oxide particles, (3) a silicon compound having one acryl or methacryl group and a hydrolyzable group or a product of hydrolysis of the compound, (4) a compound having at least two photopolymerizable unsaturated groups, and (5) a photopolymerization initiator; and a coated article obtained by applying the coating composition to a base and then photocuring the coating. The coated article combines antifogging properties with abrasion resistance sufficient for practical use.Type: GrantFiled: June 6, 2002Date of Patent: September 20, 2005Assignee: Nippon Arc Co., Ltd.Inventor: Hisayuki Kayanoki
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Patent number: 6932482Abstract: In a fog prevention and antireflection optical element including a first water absorption layer containing a water-absorbing polymer as its main component, a high refractive layer, and a second water absorption layer which are formed on a base in this order, an inorganic material (nd>1.70) is mixed in the water-absorbing polymer of the first water absorption layer, whereby the difference in refractive index with respect to the optical element is decreased.Type: GrantFiled: August 12, 2002Date of Patent: August 23, 2005Assignee: Canon Kabushiki KaishaInventor: Hideo Ukuda
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Patent number: 6872324Abstract: An aqueous dispersion comprising a polymer (a) having a repeating unit (A) which comprises four carbon atoms connected in a linear chain and which has one double bond at the second position and a polyfluoroalkyl group bonded to an arbitrary carbon atom, and a surfactant (B) having a hydrophile-lipophile balance of at least 10, wherein the polymer (a) is dispersed in an aqueous medium by the surfactant (B).Type: GrantFiled: January 30, 2003Date of Patent: March 29, 2005Assignee: Asahi Glass Company, LimitedInventors: Takashige Maekawa, Minako Shimada, Ryuji Seki, Taiki Hoshino
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Patent number: 6491745Abstract: The object is to provide a water/oil repellent composition which can simultaneously perform a water/oil treatment and a polishing treatment to leather products such as leather shoes, etc., by using one water/oil repellent composition, and can also exert excellent water/oil repellent effect and excellent polishing effect. It is constituted so that microcapsules, in which a polishing agent is encapsulated, are dispersed in a water/oil repellent agent.Type: GrantFiled: November 9, 2000Date of Patent: December 10, 2002Assignee: 3M Innovative Properties CompanyInventor: Masahiro Ashizawa
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Patent number: 6447892Abstract: Improved packaging films, which are shrinkable, high gas barrier films containing an antifog composition for modified atmosphere packaging of foods and the like. The films are useful for producing a modified atmosphere package useful for the preservation and shelf life extension of food and non-food oxygen sensitive items.Type: GrantFiled: May 23, 2000Date of Patent: September 10, 2002Assignee: Honeywell International Inc.Inventors: Earl L. Hatley, Robert R. Ting, Alan Slotkin, David J. Gibboni
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Patent number: 6316669Abstract: Bis-amido polybiguanides and their use as antimicrobial agents in pharmaceutical compositions are disclosed. A method of synthesis of bis-amido polybiguanides is also disclosed. The bis-amido polybiguanides are useful in the preservation of pharmaceutical compositions, particularly ophthalmic and otic pharmaceutical compositions and compositions for treating contact lenses. The compounds are especially useful for disinfecting/cleaning contact lenses.Type: GrantFiled: September 19, 2000Date of Patent: November 13, 2001Assignee: Alcon Manufacturing, Ltd.Inventors: Joonsup Park, Nathaniel D. McQueen
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Patent number: 6306932Abstract: Disclosed herein is an anti-fogging coating material comprising at least one selected from the group consisting of an inorganic alkoxide, a hydrolysate of the inorganic alkoxide and a polycondensate of the hydrolysate of the inorganic alkoxide, a polyacrylic, and polyvinyl alcohol.Type: GrantFiled: August 26, 1998Date of Patent: October 23, 2001Assignees: Canon Kabushiki Kaisha, Nakato Laboratory, Inc.Inventors: Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari, Keiji Ikemori, Keiji Ohtaka, Hideo Ukuda
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Patent number: 6296694Abstract: The present invention is directed to an anti-fogging/anti-splash composition that can be used for anti-fog/anti-splash applications. When applied to the surface of a transparent or reflective substrate, the composition dries relatively clear and comprises a solution of a non-toxic, fast drying solvent or alcohol and a surface active agent containing sodium lauryl ether sulfate, and either a block ethylene oxide/polyethylene oxide copolymer, an ethoxylated amine, an ethoxylated acetylenic alcohol, sodium sulfosuccinate, ethoxylated sorbitan ester, random EO/PO polymers on butyl alcohol, or mixtures thereof.Type: GrantFiled: June 17, 1999Date of Patent: October 2, 2001Inventor: Richard N. Miller
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Patent number: 6176906Abstract: Disclosed is a photo-curable antifogging composition which may be applied to substrates such as glass, various plastic materials and the like to give antifogging property on the surface of these substrates. The main ingredient of the composition is a quaternary ammonium salt of the following formula (1): wherein: R1 is CH3(CH2)nCH2 or CH3(CH2)nCH2C6H4 wherein n is an integer from 1 to 16 inclusive; R2 and R3 are the same or different from each other, and represent CH2═C(CH3)COOCH2CH(OH)CH2,CH2═CHCOOCH2CH(OH)CH2 or H, with the proviso that R2 and R3 may not be H at the same time; R4 is H, CH3, CH3CH2 or CH3CH2CH2; and X is CH3OSO3, CH3CH2OSO3, CH3COO, CF3COO, CH3(CH2)nCOO wherein n is an integer from 1 to 16 inclusive, CH3(CH2)7CH═CH(CH2)7COO, C6H5COO, C6H5CH(OH)COO, HOOCCH2CH(OH)COO, Cl or Br.Type: GrantFiled: January 7, 2000Date of Patent: January 23, 2001Assignee: Ventree Co., Ltd.Inventors: Haeng-Woo Lee, Young-Hoon Park, Sang-Keun Kim, Eun-A Shin
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Patent number: 6117919Abstract: Disclosed herein is an anti-fogging coating film comprising a hydrophilic polymer and a benzophenone compound represented by a general formula (I): ##STR1## wherein X.sub.1 to X.sub.10 are the same or different from one another and are individually a radical selected from the group consisting of hydrogen, hydroxyl group, sulfonic group, carboxyl group, acyl group, ester group, ether group, hydrocarbon groups, alkoxyl groups having 1 to 6 carbon atoms, amino group, hydroxyalkyl groups and hydroxyalkoxyl groups, with the proviso that at least one of X.sub.1 to X.sub.10 is a radical selected from among the hydroxyl and sulfonic groups. Anti-fogging articles comprising a base material such as glass, plastic, metal or mirror and the anti-fogging coating film provided thereon, and a composition for forming the anti-fogging coating film are also disclosed.Type: GrantFiled: July 21, 1998Date of Patent: September 12, 2000Assignees: Canon Kasei Kabushiki Kaisha, Canon Kabushiki KaishaInventors: Mihoko Oda, Teigo Sakakibara, Shunichiro Nishida, Hideo Ukuda
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Patent number: 6048558Abstract: A packaged meal is provided in the form of a kit arrangement which is formulated and prepared for storage under refrigerated, non-frozen conditions for extended time periods within retail store showcase coolers. The kit includes a compartmentalized, hermetically sealed package, with a refrigerated baked flour-containing component or dough component within an overpouch which is sealed or unsealed and positioned within one of the compartments and being specially formulated to maintain its freshness and retarding staling during extended refrigerated storage within the hermetically sealed package. At least the compartment within which baked component is sealed has an anti-fogging agent component which further assists in maintaining freshness and retarding staling under even refrigerated, non-frozen conditions.Type: GrantFiled: October 13, 1998Date of Patent: April 11, 2000Assignee: Kraft Foods, Inc.Inventors: Daniel R. Feldmeier, Reggie Finn, Mark R. Barrett
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Patent number: 6046254Abstract: A fog-resistant polyolefin packaging film is prepared by producing a film of a formulation comprising ethylene or a polypropylene polymer, having incorporated therein and an antifog agent comprising: a) a C8 or higher ester, diester, and/or triester of a C2 to C8 polyhydric alcohol; and b) a mono-or dialkoxylated C10 or higher amine. In a preferred embodiment, said film further comprises c) an alkoxylated alkylphenol or derivatives thereof. Said antifog agent is present in an amount which imparts antifog resistance performance to said film in about less than an hour.Type: GrantFiled: March 25, 1998Date of Patent: April 4, 2000Assignee: E. I. du Pont de Nemours and CompanyInventor: Timothy Michael Kneale
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Patent number: 5997621Abstract: A coating composition which imparts anti-reflective and anti-fog properties to substrates coated therewith. The coating composition utilizes an inorganic metal oxide in combination with particular anionic surfactants. The coating compositions are particularly useful in the manufacture of disposable surgical masks and face shields.Type: GrantFiled: October 7, 1998Date of Patent: December 7, 1999Assignee: Minnesota Mining and Manufacturing Co.Inventors: Matthew T. Scholz, William L. Kausch, David R. Boston, Joseph M. Zoborowski
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Patent number: 5976680Abstract: An antireflection film is provided which is insoluble, wear-resistant, and weatherable, and simultaneously having non-fogging property. A non-fogging optical member employing the non-fogging antireflection film, and a process for producing the film are also provided. The non-fogging antireflection film is formed from a composition derived by polycondensation of a hydrolyzate of an inorganic alkoxide conducted in the presence of a polyacrylic acid compound.Type: GrantFiled: October 18, 1996Date of Patent: November 2, 1999Assignees: Canon Kabushiki Kaisha, Nakato Laboratory, Inc.Inventors: Keiji Ikemori, Shoichi Shimura, Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari