Antifogging Or Water Repellent Composition For Optical Or Windshield Application Or Process Of Preparing Patents (Class 523/169)
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Patent number: 5889086Abstract: A water repellent for automobile window glass includes dimethyl polyorganosiloxane, an inorganic acid, a water-type solvent, and at least one member selected from the group consisting of alkyl group-containing polyorganosiloxanes each having a specific structure, fluorine resins each having a specific structure, and paraffin waxes.Type: GrantFiled: June 23, 1997Date of Patent: March 30, 1999Assignee: Taiho Industries Co., Ltd.Inventors: Takashi Ushijima, Seigo Shinohara
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Patent number: 5877254Abstract: Anti-fog and scratch resistant polyurethane compositions are disclosed which include an isocyanate prepolymer, a hydrophilic polyol and an isocyanate-reactive surfactant. The reaction product of the component produces enhanced properties having permanent anti-fog and scratch-resistant characteristics. These compositions may be used as coatings, films and self-supporting articles. Plastic substrates coated with these compositions may be subsequently subjected to thermoforming, such as molding and shaping, without loss of their properties.Type: GrantFiled: July 22, 1996Date of Patent: March 2, 1999Assignee: Film Specialties, Inc.Inventors: Robert G. La Casse, Walter S. Creasy
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Patent number: 5853894Abstract: Laboratory vessels are coated on an operational surface thereof with a hydrophobic coating polymer or reactive monomer to form a coating having an exposed surface populated with 30% by area or more terminal trifluoromethyl groups. Laboratory vessels coated with such coating solutions are provided having extremely low surface energies and high resistance to solvent attack. Methods of forming hydrophobic coatings on laboratory vessels are also provided and include methods of forming exposed coating surfaces having populations of from about 30% by area to 100% by area trifluoromethyl groups. The hydrophobic coatings may be prepared from solutions, suspensions or powdered materials containing a fluoroalkyl ethylenically unsaturated monomer substantially free of any crosslinking, having from about 3 to about 20 carbon atoms, and containing at least one terminal trifluoromethyl group, or containing a polymerization product of such a monomer.Type: GrantFiled: February 3, 1997Date of Patent: December 29, 1998Assignee: Cytonix CorporationInventor: James F. Brown
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Patent number: 5814684Abstract: The present invention provides an anti-fogging agent for the surface of a thermoplastic resin sheet which exerts the following excellent effects:(1) The effect of inhibiting fogging on the surface of the sheet due to the condensation of vapor can last over an extended period of time;(2) Excellent blocking resistance and coating stability make the anti-fogging surface less peelable in the procedure of heating it over a heating plate in a direct heating process so that it is formed into various shapes; and(3) The incorporation of a polyvalent alcohol having wetting properties in a predetermined amount provides excellent antistatic properties. The present invention provides an anti-fogging thermoplastic resin sheet treated with the foregoing anti-fogging agent.Type: GrantFiled: October 5, 1995Date of Patent: September 29, 1998Assignee: Daicel Chemical Industries, Ltd.Inventor: Shuji Yoshioka
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Patent number: 5804612Abstract: The present invention is directed to an anti-fogging coating that can be used for anti-fog applications. The coating is transparent, and comprises a hydroxyl group containing polymer, an aluminum containing crosslinker, and a surface active agent containing hydroxyl and/or siloxane groups. Additionally, the coatings possess a T.sub.fog of greater than about 30 minutes and a haze of less than about 5%, and can advantageously be used to provide to glass or plastic substrates an anti-fogging surface.Type: GrantFiled: May 1, 1996Date of Patent: September 8, 1998Assignee: Arkwright, IncorporatedInventors: Jian Cheng Song, Sen Yang, Kang Sun
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Patent number: 5759696Abstract: A light-reflecting and/or transmitting element for a motor vehicle light is provided. The light-reflecting or transmitting element is coated with a surface coating which includes a non-water soluble binder, selected from the group consisting of polyacrylic resins, polyester resins and mixtures thereof, which binder is internally cross-linked by methylol groups or externally cross-linked by amino resins, and from about 5% to about 60% by weight of at least one nonionic wetting agent.Type: GrantFiled: February 7, 1994Date of Patent: June 2, 1998Assignee: Hella KG Hueck & Co.Inventor: Andreas Alers
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Patent number: 5741886Abstract: Linear, polymeric biguanides or salts thereof wherein the polymeric chain is terminated at the cyanoguanidine end group by a C.sub.2 -C.sub.90 primary or secondary amine which is optionally substituted with a functionality such as fluoride, chloride, bromide, iodide, nitro, hydroxyl, ether, sulfide, disulfide, sulfoxide or sulfone. The polymeric biguanides have a high level of biocidal activity accompanied by a low level of toxicity to host organisms and are therefore useful in bactericidal, algicidal and fungicidal compositions, especially in ophthalmic compositions.Type: GrantFiled: September 19, 1995Date of Patent: April 21, 1998Inventors: Richard F. Stockel, Murray Jelling
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Patent number: 5584917Abstract: The water repellent for window panes of automobiles of this invention comprises an amino group-containing polyorganosiloxane having the specific structure, an organic acid, a surfactant and an aqueous solvent, which is usable regardless of whether it is fine or rains, and can provide a uniform film having a good water repellency held for a long period.Type: GrantFiled: July 5, 1995Date of Patent: December 17, 1996Assignees: Taiho Industries Co., Ltd., Toshiba Silicone Co., Ltd.Inventors: Tetsuo Kijima, Seigo Shinohara, Sachiko Yusa
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Patent number: 5585418Abstract: An improved greenhouse assembly comprising in combination, greenhouse cover support means and a thermoplastic film cover supported by said cover means, the improvement comprising said film having outermost of the assembly a variable light diffuse surface which is substantially clear when wetted but has an enhanced degree of surface haze when dry. The greenhouse covering provide suitable variable light transmission into the greenhouse dependant on weather condition.Type: GrantFiled: June 15, 1995Date of Patent: December 17, 1996Assignee: AT Plastics Inc.Inventor: Harry H. Nagata
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Patent number: 5480917Abstract: An anti-fogging coating comprises from 40 to 80% by weight of at least one acrylic or methacrylic acid monomer, from 20 to 60% by weight of at least one short chain acrylic or methacrylic acid ester monomer and, in relation to the total weight of the preceding monomers, from 1 to 15% of a crosslinking agent and from 0.1 to 5% of a polymerization initiator compound using the action of ultraviolet radiation. Transparent products formed from a glass or poly(methyl methacrylate) support and a layer of the preceding composition, polymerized and crosslinked by the action of ultraviolet radiation, exhibit good anti-fogging and mechanical resistance properties.Type: GrantFiled: December 29, 1994Date of Patent: January 2, 1996Assignee: Saint-Gobain VitrageInventors: Albert A. Kruger, Pascal Chartier
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Patent number: 5429846Abstract: The present invention provides a photo-setting conductive coating composition which is used as an antistatic material constituting articles wherein static electrification must be avoided, such as storage vessels for semi-conductor wafers, electronic/electric parts, floor/wall coverings for a production factory of semi-conductors, etc.The photo-setting conductive coating composition comprising 100 parts by weight of an antimony oxide-containing tin oxide powder (a) having a particle size of 0.01 to 0.4 .mu.m, 10 to 100 parts by weight of a (meth)acrylate compound (b) having at least two (meth)acryloyl groups in a molecule, 10 to 100 parts by weight of an acetal resin (c) having a residual hydroxyl group of 20 to 80 molar %, 0.1 to 10 parts by weight of a photopolymerization initiator (d) and 100 to 1000 parts by weight of an organic solvent (e).Type: GrantFiled: October 25, 1994Date of Patent: July 4, 1995Assignee: Sekisui Chemical Co., Ltd.Inventors: Toshiya Sugimoto, Minoru Suezaki, Kouji Maruyama
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Patent number: 5425804Abstract: A novel water-repellent glazing agent is disclosed. The agent contains a modified organic silicone oil, which is represented by the general formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 respectively stand for CH.sub.3 or a long chain alkyl group having 10-30 carbon atoms and at least one of X.sup.1, X.sup.2 and X.sup.3 is a long chain alkyl group having 10-30 carbon atoms and m and n are respectively 20-80 and 3-10. This agent has excellent water repellency and glazing effect as well as excellent operability.Type: GrantFiled: November 23, 1993Date of Patent: June 20, 1995Assignee: Taiho Industries Co., Ltd.Inventors: Seigo Shinohara, Kiyoshi Okamura, Tetsuo Kijima
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Patent number: 5417744Abstract: An optically clear hydrophobic coating is prepared by combining in the presence of water fluorinated polysiloxane having multiple hydrolyzable side groups selected from the group including alkyl, aryl, or alkoxy groups having from one to four carbon atoms, with polysiloxane, with polyester modified polysiloxane, with acid, and with alcohol. The polysiloxane ingredients are combined and blended together. The acid and alcohol ingredients are combined together and mixed with the polysiloxane ingredients. The polysiloxane ingredients undergo hydrolysis and polycondensation/polymerization reactions to form a fluorinated polyester modified polysiloxane polymer that when applied to a substrate surface cures at ambient temperatures to form a durable, weather, chemical and heat resistant, optically clear hydrophobic protective coating.Type: GrantFiled: December 29, 1993Date of Patent: May 23, 1995Assignee: Ameron, Inc.Inventor: Roland L. Gasmena
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Patent number: 5266222Abstract: A formulation for forming a low surface-energy surface on a substrate having (i) a fluoroalkyl silane having a low surface energy part, (ii) a liquid crystal silane operable for enhancing the orientation of the molecules of the fluoroalkyl silane and for crosslinking with the fluoroalkyl silane, and, (iii) a transport medium for applying the fluoroalkyl silane and the liquid crystal silane to the surface of a substrate. In one embodiment the formulation can includes a crosslinking agent for crosslinking the fluoroalkyl silane. In another embodiment the formulation has a condensation catalyst for enhancing chemical bonding of the fluoroalkyl silane to the substrate. The transport medium can be an alcohol such as methanol or ethanol.Type: GrantFiled: March 6, 1992Date of Patent: November 30, 1993Assignee: California Institute of TechnologyInventors: Paul B. Willis, Paul M. McElroy, Gregory H. Hickey
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Patent number: 5234974Abstract: An alkali-soluble coating formulation is disclosed. Such a coating formulation comprises a volatile, aqueous carrier; an alkali-soluble hydrophilic polymer, in the aqueous carrier; an alkali-soluble multivalent metal ion-containing bond-forming agent, also in the aqueous carrier; and an effective amount of a volatile alkali ingredient, in the aqueous carrier, for dissolving both the hydrophilic polymer as well as the multivalent metal ion-containing bond-forming agent. The relative amounts of hydrophilic polymer and multivalent metal ion-containing bond-forming agent, in the aqueous carrier, are effective for forming an alkali-soluble polymeric coating on a substrate, upon evaporation of the volatile, aqueous carrier therefrom.Type: GrantFiled: June 19, 1992Date of Patent: August 10, 1993Assignee: S. C. Johnson & Son, Inc.Inventors: Glenn C. Calhoun, Robert W. Stackman, Michael E. Klinkhammer
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Patent number: 5180760Abstract: An anti-fogging resin film-forming composition, comprising a block or graft copolymer and a surfactant, each of which block and graft copolymers consists of a hydrophilic polymer segment and a hydrophobic polymer segment having specifically limited monomer compositions, is disclosed. A coating film formed on a matrix surface from the composition has a durable excellent anti-fogging property and having high adhesion to the matrix surface and high strength.Type: GrantFiled: September 10, 1991Date of Patent: January 19, 1993Assignee: Nippon Oil and Fats Company, LimitedInventors: Yoshihiro Oshibe, Toshihiro Izumi, Hideki Doya, Hiroshi Ohmura, Yasuhiro Yamamoto, Keiji Kumazawa
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Patent number: 5134021Abstract: Disclosed is an anti-fogging film having a multilayer structure comprised of at least two layers of a cured film formed on a substrate. The cured film contains as main components (A) polyvinyl alcohol and (B) at least one member selected from (a) colloidal silica having an average particle size of 5 to 200 m.mu., (b) an organic silicon compound of the formula R.sup.1 R.sup.2.sub.a SiX.sub.3-a in which R.sup.1 is an organic group having 1 to 10 carbon atoms, R.sup.2 is a hydrocarbon group having 1 to 6 carbon atoms, X is a hydrolyzable group and a is 0 or 1, and (c) a hydrolysis product of an organic silicon compound of the formula R.sup.1 R.sup.2.sub. SiX.sub.3-a in which R.sup.1, R.sup.2, X and a are as defined above, wherein the ratio S.sub.2 /S.sub.1 of the weight ratio S.sub.2 of component (A) to component (B) in the layer contiguous to the topmost surface layer to the weight ratio S.sub.1 of component (A) to component (B) in the topmost surface layer is at least 1.05.Type: GrantFiled: January 23, 1990Date of Patent: July 28, 1992Assignee: Toray Industries, Inc.Inventors: Hiroshi Hosono, Takashi Taniguchi
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Patent number: 5025047Abstract: The invention relates to N,N'- and N,N',N'-substituted silyl ureas of the general formula ##STR1## and to their use as antidegradation agents which can not be washed out in polymers, especially rubber.Type: GrantFiled: November 19, 1990Date of Patent: June 18, 1991Assignee: Degussa AktiengesellschaftInventors: Siegfried Wolff, Udo Goerl
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Patent number: 5021089Abstract: A water repellency treatment agent which is non-corrosive to metals, comprising a solution as a volatile solvent of 1-20 wt % of silyl phosphate containing 1-10 wt % of phosphorus, and less than 20 wt % of an organopolysiloxane of general formula R.sub.a SiO.sub.(4-a)/2 having a viscosity of 5-10,000 centistokes at 25.degree. C., wherein the letter a has a value in the range 1.95<a<2.20, and R is a monovalent organic group selected from saturated or unsaturated monovalent hydrocarbon groups with 1-30 carbon atoms, halogenated hydrocarbon groups, alkoxy groups, hydroxyl groups and hydrogen atoms.Type: GrantFiled: February 28, 1990Date of Patent: June 4, 1991Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Satoshi Kuwata, Takashi Ohkawara
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Patent number: 5008135Abstract: An epoxy fluorocarbon coating composition in the presence of a curing agent and, wherein the fluorocarbon polymer is about 5 to about 24 percent of the total weight of the coating composition and has a particle size less than 500 microns which has excellent corrosion resistance.Type: GrantFiled: July 18, 1990Date of Patent: April 16, 1991Assignee: The Standard Oil CompanyInventors: Paul J. Giordano, Richard C. Smierciak
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Patent number: 4891423Abstract: Linear, polymeric polyoxyalkylenediamine biguanide or water soluble salt thereof. The biguanide is useful as a biocide in bactericidal and fungicidal compositions and is especially useful as the active ingredient in ophthalmic compositions.Type: GrantFiled: March 20, 1989Date of Patent: January 2, 1990Inventor: Richard F. Stockel
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Patent number: 4835194Abstract: The film-forming composition comprises a mixture of a linear low density polyethylene and an antifogging agent. The antifogging agent comprises a compound of formula I. The composition is useful for preparing films with antifogging properties.Type: GrantFiled: July 22, 1987Date of Patent: May 30, 1989Assignee: The Dow Chemical CompanyInventors: Paul F. Bright, Harbert F. Leder
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Patent number: 4632945Abstract: An anaerobic sealant material comprises an acrylate or methacrylate monomer, a hydroperoxide or pereseter initiator, an accelerator having --SO.sub.2 NHCO-functionality, and a transition metal co-accelerator gives substantially reduced moisture sensitivity if the transition metal co-accelerator is a combination of a copper salt or complex at the level of 0.5-10 ppm copper and an iron complex or salt at the level of 0.5-60 ppm iron.Type: GrantFiled: May 31, 1985Date of Patent: December 30, 1986Assignee: Loctite CorporationInventors: Maria L. Garcia, Bernard M. Malofsky
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Patent number: 4612152Abstract: A method for the production of a water-proofing sheet by mixing a thermoplastic rubber with asphalt, and then shaping the mixture directly into sheet having exhaust grooves on its surface.The vapor coming from water contained in foundation which is covered with the water-proofing sheet is exhausted through the grooves.Type: GrantFiled: October 29, 1984Date of Patent: September 16, 1986Assignee: Daiawa Kobunshi Kogyo Co., Ltd.Inventors: Kazuhisa Kawabata, Hirohide Kumabe, Shunzo Kawai
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Patent number: 4609688Abstract: The invention relates to a transparent, antifogging coating or film comprised of a plastic material, which coating or film may be employed as an external layer in a laminated pane.The invention transparent coating or film is a highly elastic, three-dimensionally crosslinked layer comprised of at least one surface active agent disposed within its crosslinked structure.Type: GrantFiled: April 22, 1985Date of Patent: September 2, 1986Assignee: Saint-Gobain VitrageInventors: Helmer Radisch, Werner Scholz
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Patent number: 4578414Abstract: Wettable fibers and/or filaments, especially those of fine denier, are prepared from olefin polymers, especially linear low density copolymer (LLDPE), by having incorporated into said olefin polymer at least one wetting agent of the group comprising (a) an alkyoxylated alkyl phenol along with a mixed mono-, di-, and/or tri-glyceride, or (b) a polyoxalkylene fatty acid ester, or (c) a combination of (b) and any part of (a) above.Type: GrantFiled: February 19, 1985Date of Patent: March 25, 1986Assignee: The Dow Chemical CompanyInventors: Lawrence H. Sawyer, George W. Knight
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Patent number: 4551484Abstract: The invention relates to a transparent, antifogging coating or film comprised of a plastic material, which coating or film may be employed as an external layer in a laminated pane.The invention transparent coating or film is a highly elastic, three-dimensionally crosslinked layer comprised of at least one surface active agent disposed within its crosslinked structure.Type: GrantFiled: July 19, 1984Date of Patent: November 5, 1985Assignee: Saint-Gobain VitrageInventors: Helmer Radisch, Werner Scholz
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Patent number: 4486552Abstract: An ethylene polymer, especially a linear low density ethylene polymer, is mixed with certain antifog agents to provide a film-forming composition for making packaging films which resist fogging. The antifog agents are (1) an alkoxylated alkyl phenol along with a mixed mono-, di-, and/or triglyceride, (2) a polyoxyalkylene fatty acid ester, and (3) a combination of (2) and any part of (1). Optionally, a tackifier is added.Type: GrantFiled: February 28, 1983Date of Patent: December 4, 1984Assignee: The Dow Chemical CompanyInventor: Debra H. Niemann
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Patent number: RE34061Abstract: A polymer obtained by polymerizing tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl acrylate or methacrylate in an amount of 100-5% by weight with one or more copolymerizable unsaturated monomers in an amount of 0 to 95% by weight is excellent in transparency, moisture resistance, and heat resistance and is suitable as a material for optical elements.Type: GrantFiled: May 27, 1988Date of Patent: September 8, 1992Assignee: Hitachi Chemical Co., Ltd.Inventors: Hiromasa Kawai, Takashi Morinaga, Hiromu Miyajima, Toshio Akima, Mitsuharu Kato, Yutaka Hosoi