Silicon Containing Dnrm Patents (Class 522/77)
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Patent number: 6348517Abstract: A method of preparing a sterile article is disclosed. A polymer having a halogen-containing repeating unit is prepared that contains about 0.Type: GrantFiled: September 1, 2000Date of Patent: February 19, 2002Assignee: Oxy Services, Inc.Inventors: Qi Wang, Sandor Nagy
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Patent number: 6339113Abstract: The invention relates to a photopolymerizable composite resin composition for dental restoration i) based on the multifunctional prepolymer mixture of 2,2-bis-(4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl)propane (“Bis-GMA”) and multifunctional prepolymer formed by substituting hydrogen atoms in hydroxyl group with methacrylate groups in this Bis-GMA molecules, and ii) comprising a diluent, an inorganic filler, a photoinitiation system, and other additives. The photopolymerizable composite resin composition for dental restoration based on multifunctional prepolymer mixture has better physical and mechanical properties and biocompatibility than the conventional composition based on only Bis-GMA itself.Type: GrantFiled: October 30, 2000Date of Patent: January 15, 2002Assignee: Dentkist Co., Ltd.Inventors: Dong-Keun Han, Kwang-Duk Ahn, Jong-Man Kim, Jin-Hee Jeong
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Patent number: 6326416Abstract: The present invention relates to a composition for coating optical fibers which contains an oligomer capable of being polymerized, a monomer suitable to control the viscosity of the composition, and an adhesion promoter which includes a compound containing a cyclic structure interposed between at least two reactive silanes which are independently an alkoxysilane or a halosilane. Another composition of the present invention includes an oligomer capable of being polymerized, a monomer suitable to control the viscosity of the composition, an adhesion promoter which includes a compound containing a reactive silane group, and a carrier. The present invention also relates to optical fibers and methods of making such optical fibers using the compositions of the present invention.Type: GrantFiled: December 30, 1999Date of Patent: December 4, 2001Assignee: Corning IncorporatedInventors: Ching-Kee Chien, Edward J. Fewkes, Gregory F. Jacobs, Kenneth R. Jones, Eric H. Urruti, Michael J. Winningham
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Patent number: 6322892Abstract: There is disclosed a cation-polymerizable coating composition characterized by containing (A) a cation-polymerizable binder component consisting of (a) an epoxy group-containing compound and, as necessary, (b) an oxetane compound, (B) a modified dimethylsilicone oil with a number average molecular weight of 500-1,000,000 having a hydroxyl group(s) bonded directly to a silicon atom, a hydrolyzable functional group(s) bonded directly to a silicon atom and capable of forming a hydroxyl group(s) bonded directly to a silicon atom by hydrolysis, or a carboxyl group(s), and (C) a cation-polymerization initiator which forms a cation by irradiation or by heating. Said coating composition is suitable particularly for coating cans capable of forming a coating film having excellent adhesivity, processibility, hardness, initial lubricity and lubricity after the retort treatment.Type: GrantFiled: June 8, 1999Date of Patent: November 27, 2001Assignee: Kansai Paint Co., Ltd.Inventor: Seiji Takami
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Patent number: 6323255Abstract: The present invention relates to radiation-curable compositions that after cure provide reduced discoloration, or reduced color degradation, and/or high elongation while maintaining other desirable qualities of radiation-cured compositions. These radiation-curable compositions include at least one radiation-curable oligomer and at least one transesterified and/or high-purity monomer. These compositions can be formulated, for example, to serve as protective coatings for substrates manufactured from a wide variety of including glass, plastic, ceramic, metal and wood. The compositions of the present invention are preferably designed for use as an optical fiber coating (including inner primary and, colored or uncolored, outer primary coatings as well as other coatings which include inks, matrix materials and the like) or related optical fiber protective materials.Type: GrantFiled: September 30, 1998Date of Patent: November 27, 2001Assignee: DSM N.V.Inventor: Paul E. Snowwhite
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Patent number: 6323253Abstract: The present invention is directed to silicone formulations which are capable of being rapidly cured to tough elastomeric materials through exposure to UV radiation, and optionally through exposure to moisture as well. The cured products demonstrate high resistance to flammability and combustibility. The flame-retardant components is a combination of hydrated alumina and an organo ligand complex of a transition metal or an organosiloxane ligand complex of a transition metal or a combination thereof.Type: GrantFiled: September 9, 1999Date of Patent: November 27, 2001Assignee: Loctite CorporationInventor: Lester D. Bennington
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Patent number: 6316516Abstract: The present invention relates to a composition for coating optical fibers which contains an oligomer capable of being polymerized, a monomer suitable to control the viscosity of the composition, and an adhesion promoter which includes a compound containing a cyclic structure interposed between at least two reactive silanes which are independently an alkoxysilane or a halosilane. Another composition of the present invention includes an oligomer capable of being polymerized, a monomer suitable to control the viscosity of the composition, an adhesion promoter which includes a compound containing a reactive silane group, and a carrier. The present invention also relates to optical fibers and methods of making such optical fibers using the compositions of the present invention.Type: GrantFiled: April 29, 1999Date of Patent: November 13, 2001Assignee: Corning IncorporatedInventors: Ching Kee Chien, Edward J. Fewkes, Eric H. Urruti, Michael J. Winningham
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Patent number: 6310166Abstract: A method of making a sterile adhesive composition includes placing a mixture of a polymerizable adhesive monomer and a thickening agent in a container, sealing the container, and sterilizing the mixture and the container. The method provides superior viscosity for the monomer composition. The sterile adhesive composition is particularly useful as a medical adhesive and can comprise 1,1-disubstituted ethylene monomers, such as &agr;-cyanoacrylates.Type: GrantFiled: August 12, 1999Date of Patent: October 30, 2001Assignee: Closure Medical CorporationInventors: Timothy Hickey, Ubonwan A. Stewart
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Patent number: 6281261Abstract: The present invention is directed to silicone formulations which are capable of being rapidly cured to tough elastomeric materials through exposure to UV radiation. The cured products demonstrate high resistance to flammability and combustibility.Type: GrantFiled: November 20, 2000Date of Patent: August 28, 2001Assignee: Loctite CorporationInventor: Lester D. Bennington
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Patent number: 6228499Abstract: The present invention relates to; resin molded articles having on one side of the resin substrate thereof, such as polycarbonate, a scuff resistant organic hard coat layer and on the other surface of the substrate an antifogging organic hard coat layer; resin shaped articles such as into helmet shields, goggles, and the like, in which the organic hard coat layer will not peel off the substrate when molded into a curve-shaped article having a radius of curvature of 50 mm or less and which will cause no optical distortions; a process for the manufacture thereof; and the covering materials for forming each hard coat layer.Type: GrantFiled: December 9, 1997Date of Patent: May 8, 2001Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Jun Nakauchi, Osamu Kawai
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Patent number: 6225369Abstract: Disclosed is a UV-curable transfer ink which can be cured by UV and used to emboss a precise and clear pattern on a substrate. It comprises 20-40% by weight of a UV-reactive ink, 20-40% by weight of an acrylic copolymer, 4-6% by weight of an ethylene vinyl acetate copolymer, 25-35% by weight of an organic solvent and 0.5-5% by weight of a bulking agent. A printing sheet is also provided, on which the transfer ink is printed in a predetermined pattern. An embossed pattern is obtained by applying the sheet to a substrate, exposing it to UV to cure the printed transfer ink, releasing the printing sheet to leave the cured transfer ink on the substrate, and etching the substrate.Type: GrantFiled: July 13, 1999Date of Patent: May 1, 2001Assignee: Moltex Co., Ltd.Inventor: Sang Bum Jeon
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Patent number: 6225247Abstract: A precursor composition includes (1) at least one crosslinking compound represented by the formula: wherein: u and x are independently selected positive integers, v and w are independently selected integers greater than or equal to zero, R1, R2, R3, R4, R5, R6, R7 and R8 are independently selected from the group consisting of alkyl, aryl, alkylaryl, haloalkyl, haloaryl and mixtures thereof; A and E are independently selected from the group consisting of O, an aliphatic bridge, an aryl bridge and mixtures thereof; and R9 and R10 are unsubstituted or substituted vinyl or ethynyl groups, (2) at least one organosilicon compound containing at least two silicon hydride moieties per molecule, and (3) a hydrosilation catalyst, A cross-linked polymer is formed by reacting the crosslinking compound of formula I with the organosilicon compound via a hydrosilation reaction. A thermoset polymer is formed by thermally curing the crosslinked polymer.Type: GrantFiled: June 21, 1999Date of Patent: May 1, 2001Assignee: The United States of America as represented by the Secretary of the NavyInventors: Teddy M. Keller, Eric J. Houser
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Patent number: 6211262Abstract: A corrosion resistant coating for metal surfaces curable with actinic radiation. The blend uses acrylate resin, photoinitiator and a corrosion preventing agent such as a metal surface passivator, overbased calcium sulfonate/calcium carbonate, a barrier pigment, or a combination of two or more of these agents.Type: GrantFiled: April 20, 1999Date of Patent: April 3, 2001Assignee: Spectra Group Limited, Inc.Inventors: Alexandre Mejiritski, Thomas Marino, Violeta Lungu, Dustin Martin, Douglas Neckers
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Patent number: 6194481Abstract: Zirconium oxide nanoparticles having at least some surface acid sites functionalized with a silanating agent and at least some surface acid sites finctionalized with zirconate or a zircoaluminate. The nanoparticles are useful in composites comprising photopolymerizable alkene matrix monomers, and are primarily suitable for dental and medical restoration.Type: GrantFiled: May 19, 1999Date of Patent: February 27, 2001Assignees: Board of Regents of the University of Texas System, Southwest Research InstituteInventors: Benjamin R. Furman, Stephen T. Wellinghoff, Henry R. Rawls, Hong Dixon, Barry K. Norling
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Patent number: 6191183Abstract: The instant invention pertains to a composition that can form silica thin films, wherein said composition performs well as a substrate planarizing coating when applied to a substrate and can be converted by exposure to high-energy radiation into silica thin film with an excellent electrical insulating performance. The composition for the formation of silica thin films comprises (A) a hydrogen silsesquioxane resin that contains at least 45 weight % hydrogen silsesquioxane resin with a molecular weight no greater than 1,500; and (B) solvent. A silica thin film is produced by evaporating the solvent (B), and then converting at least a portion of the hydrogen silsesquioxane resin (A) to silica by exposing the surface of the said substrate to high-energy radiation. The preferred substrate is a semiconductor substrate having at least one electrically conductive layer.Type: GrantFiled: October 5, 1999Date of Patent: February 20, 2001Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Akihiko Kobayashi, Katsutoshi Mine, Takashi Nakamura, Motoshi Sasaki, Kiyotaka Sawa
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Patent number: 6143805Abstract: A method for sterilizing a liquid adhesive composition includes subjecting the composition to electron beam irradiation while it is enclosed in a container.Type: GrantFiled: February 18, 1998Date of Patent: November 7, 2000Assignee: Closure Medical CorporationInventors: Timothy Hickey, Ubonwan A. Stewart
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Patent number: 6124372Abstract: Disclosed is a composition comprising a polymer with a weight average molecular weight of from about 1,000 to about 100,000, said polymer containing at least some monomer repeat units with a first, photosensitivity-imparting substituent which enables crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer also containing a second, thermal sensitivity-imparting substituent which enables further crosslinking or chain extension of the polymer upon exposure to temperatures of about 140.degree. C.Type: GrantFiled: August 29, 1996Date of Patent: September 26, 2000Assignee: Xerox CorporationInventors: Thomas W. Smith, Timothy J. Fuller, Ram S. Narang, David J. Luca
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Patent number: 6031015Abstract: A dental material based on polymerizable monomers is described which contains at least one polymerizable monomer which has liquid crystalline properties. Compared with traditional materials, the dental material displays a lower decrease in volume upon polymerization and, because of its low viscosity, higher filler contents can be achieved.Type: GrantFiled: July 17, 1996Date of Patent: February 29, 2000Assignee: Ivoclar AGInventors: Helmut Ritter, Georg Draheim, Norbert Moszner, Ulrich Salz, Volker Rheinberger
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Patent number: 6022050Abstract: A release coating composition containing about 50 to about 75 wt. % of an epoxy functional silicone; about 8 to about 25 wt. % of a reactive solvent; about 5 to about 25 wt. % of a reactive diluent; about 6 to about 12 wt. % of a wax-treated silica powder; and, about 2 to about 4 wt. % of a photoinitiator is disclosed. The composition is useful in preparing a low-gloss release coating for use on linerless labels.Type: GrantFiled: September 2, 1998Date of Patent: February 8, 2000Assignee: Monarch Marking Systems, Inc.Inventor: James R. Kline
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Patent number: 5945462Abstract: The present invention relates to an aqueous-based coating composition for forming strippable, protective coating for protecting surfaces, such as glass, metal, ceramic, plastic or other materials of construction. More specifically, the compositions and coatings formed therefrom of this invention are particularly useful in connection with protecting precision surfaces, such as optical lenses, including but not limited to ophthalmic lenses, telescopic lenses, microscopic lenses, and the like, which protection is desirably only of a temporary nature.Type: GrantFiled: October 2, 1997Date of Patent: August 31, 1999Assignee: Loctite CorporationInventor: Peter A. Salamon
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Patent number: 5942557Abstract: A method of reducing coefficient of friction of a silicone release coating and a corresponding a low coefficient of friction release coating composition are disclosed. The low coefficient of friction release coating composition includes: (a) an epoxy functional polyorganosiloxane; (b) a fine particle silicone resin; and (c) a photoinitiator.Type: GrantFiled: September 19, 1997Date of Patent: August 24, 1999Assignee: General Electric CompanyInventors: Marco Ooms, Uwe Adler
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Patent number: 5908873Abstract: A one-part, cured, radiation-curable liquid matrix composition for affixing coated and inked optical fibers in a ribbon configuration which is peelable from the coated and inked fibers without damage to the integrity of itself or the fibers is disclosed. The composition comprises an aliphatic urethane acrylate oligomer; a reactive monomer having one or more acrylate or methacrylate moieties; a release agent; and an optional photoinitiator. Also disclosed are an optical fiber ribbon array prepared therefrom; a process for removing such matrix composition from inked and coated fibers; a process for preparing such ribbon array; and a radiation-curable coating composition generally applicable for coating a substrate.Type: GrantFiled: December 20, 1995Date of Patent: June 1, 1999Assignee: Borden Chemicals, Inc.Inventor: Paul J. Shustack
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Patent number: 5886063Abstract: The invention relates to compositions of ionization-setting maleic resins and their use for manufacture of composite materials with a fibrous reinforcement. These compositions comprise a maleic resin and a reactive diluent made up of at lest one compound chosen from among dipentaerythritol pentacrylate and hydroxyethyl methacrylate, the total quantity of reactive diluent being between 10 and 70 parts by weight per 100 parts by weight of maleic resin. They may also comprise a plasticizer such as bis-allylic resin. With these compositions it is possible to obtain composite materials set by ionization without additional post heat treatment.Type: GrantFiled: February 27, 1997Date of Patent: March 23, 1999Assignee: Aerospatiale Societe Nationale IndustrielleInventors: Frederic Alexandre Lionel Boursereau, Patrice Dourthe
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Patent number: 5856373Abstract: A visible-light photopolymerizable composition comprising a) a cationically polymerizable epoxy resin, b) a hydroxyl-containing material c) an aryliodonium salt and d) a visible light sensitizer that is an alpha-dicarbonyl compound having an extinction coefficient less than about 1000. Particularly preferred compositions of the present invention are dental materials.Type: GrantFiled: October 3, 1997Date of Patent: January 5, 1999Assignee: Minnesota Mining and Manufacturing CompanyInventors: David A. Kaisaki, Sumita B. Mitra, William J. Schultz, Robert J. DeVoe
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Patent number: 5856065Abstract: Negative working photoresist compositions containing:a) a polyimide primer containing recurring structural units of formula (I) in the specification as well asb) a photoinitiator for polymerizing olefin double bonds, which are characterized by in that they containat least one other component c), which is selected from the group consisting ofc1) organosilicon compounds with one or more hydroxyl groups,c2) compounds of formula (IIa) in the specification,c3) compounds of formula (IIb) as in the specification,c4) mixtures comprised of two or more components selected from components of c1), c2) and c3),have the advantage that they can be developed with a developer, which comprises up to 50 to 100 wt. % of an aqueous-alkaline medium, whereby the balance to 100 wt. % is formed by one or more organic solvents.Type: GrantFiled: February 14, 1997Date of Patent: January 5, 1999Assignee: Olin Microelectronic Chemicals, Inc.Inventor: Sigurd Guenter Hagen
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Patent number: 5846447Abstract: A process for forming a dispersion of polytetrafluoroethylene particles in a liquid containing a dispersant by passing the mixture through a plurality of nozzles within a liquid-jet interaction chamber at a pressure of to deagglomerate and stabilize the polytetrafluoroethylene particles.Type: GrantFiled: August 26, 1997Date of Patent: December 8, 1998Assignee: E. I. du Pont de Nemours and CompanyInventor: Richard P. Beatty
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Patent number: 5767170Abstract: A single package adhesive for tooth bonding applications which comprises a bulk-water-free solvent-based homogeneous liquid containing:1) An ethylenically unsaturated monomer that possesses a hygroscopic functional group that (a) is capable of chemically reacting with and through the ethylenic bond of the ethylenically unsaturated-functional monomer of 2) below, and (b) provides the capacity for chemical bonding to the surface to which the adhesive is applied.Type: GrantFiled: April 30, 1996Date of Patent: June 16, 1998Assignee: Den-Mat CorporationInventors: Robert L. Ibsen, Alan B. Matthews, William R. Glace
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Patent number: 5721020Abstract: An ultraviolet-curing coating composition for cans, which comprises:(A) a cation-polymerizable compound,(B) a compound having at least one oxetane ring in the molecule,(C) a cationic initiator which generates a cation when irradiated with ultraviolet rays, and(D) a lubricity-imparting agent, wherein the proportions of the individual components are:(A) 1-99 parts by weight,(B) 1-99 parts by weight,(C) 0.01-20 parts by weight per 100 parts by weight of the total of (A) and (B), and(D) 0.01-10 parts by weight per 100 parts by weight of the total of (A) and (B).This ultraviolet-curing coating composition for cans can form a coating film superior in processability, adhesivity, hardness, mar resistance, etc. and particularly in appearance and retort resistance.Type: GrantFiled: October 2, 1996Date of Patent: February 24, 1998Assignee: Kansai Paint Co., Ltd.Inventors: Seiji Takami, Kazumi Fukudome
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Patent number: 5607729Abstract: A gel-free silica acrylate curable coating composition made from one or more of soluble salts, soaps, amines, nonionic and anion surfactants, acids or mixtures thereof, and a method for producing these compositions.Type: GrantFiled: February 26, 1996Date of Patent: March 4, 1997Assignee: General Electric CompanyInventor: George F. Medford
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Patent number: 5536758Abstract: A formulation for a resilient gasket coating which is curable by ultraviolet radiation without emitting fumes into the surrounding environment. Different portions of the coating are cured by successive exposure to two different wavelengths of ultraviolet radiation during a continuous in-line process. The first wavelength cures an inner portion of the coating and bonds the coating to the substrate. The second wavelength cures a coating surface. The formulation permits ultraviolet curing of thicker pigmented coatings than have been previously known.Type: GrantFiled: July 27, 1993Date of Patent: July 16, 1996Assignee: Dana CorporationInventor: Brent R. Boldt
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Patent number: 5483017Abstract: This invention relates to a new class of novel inorganic-organic hybrid thermosetting polymers and ceramics that are formed from novel linear polymers of varying molecular weight and varying carborane content. These novel organoboron thermoset polymers and ceramics contain an unsaturated cross-linked moiety.Type: GrantFiled: November 7, 1994Date of Patent: January 9, 1996Assignee: The United States of America as represented by the Secretary of the NavyInventors: Teddy M. Keller, David Y. Son
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Patent number: 5478869Abstract: A protective coating material comprising (meth)acrylate derivatives of the following formulas 1, 2, 3, 4 and 5 within the following ranges of a, b, c, d and e % by weight, respectively:5.ltoreq.a.ltoreq.80, 0.ltoreq.b.ltoreq.30, 0.ltoreq.c.ltoreq.30, 5.ltoreq.d.ltoreq.50,0.ltoreq.e.ltoreq.50, provided that a+b+c+d+e=100, ##STR1## wherein each of R.sub.1 to R.sub.3 is H or CH.sub.3, and R.sub.4 is CH.sub.2 CH.sub.3 or CH.sub.2 OH, ##STR2## wherein each of R.sub.5 to R.sub.8 is H or CH.sub.3, ##STR3## wherein each of R.sub.9 to R.sub.14 is H or CH.sub.3,CH.sub.2 .dbd.C(R.sub.15)COO(CH.sub.2).sub.n OCOC(R.sub.16).dbd.CH.sub.2 4wherein each of R.sub.15 and R.sub.16 is H or CH.sub.3, and n is an integer of from 2 to 10. ##STR4## wherein R17 is H or CH.sub.3.Type: GrantFiled: July 27, 1994Date of Patent: December 26, 1995Assignee: Tosoh CorporationInventors: Yosuke Takahashi, Noriaki Oshima, Yasuhiko Shida, Reiko Otomo
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Patent number: 5453456Abstract: Fluoroaluminosilicate dental cement glasses are treated with an aqueous silanol treating solution and optionally with an additional organic compound. The treated glasses form cements with improved strength. The silanol can be ethylenically-unsaturated and can contain acidic groups, and, if so, is novel in its own right.Type: GrantFiled: May 3, 1994Date of Patent: September 26, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Sumita B. Mitra, Scott R. Culler, Bing Wang
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Patent number: 5426131Abstract: An ultraviolet radiation curable silica coating composition containing (a) acrylic monomers, (b) functionalized colloidal silica, (c) acrylated urethanes, (d) an ultraviolet radiation absorber, and (e) a photoinitiator. The coating composition once applied to and cured on a thermoplastic substrate provides a coating which exhibits improved flexibility and weathering. The coatings are useful for providing abrasion resistance and weatherability to thermoplastic, for example polycarbonate, substrates.Type: GrantFiled: October 13, 1993Date of Patent: June 20, 1995Assignee: General Electric CompanyInventor: Dimitris Katsamberis
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Patent number: 5420171Abstract: A UV curable organic solvent soluble, aqueous nonalkaline soluble and peelable temporary solder mask composition to be applied to a surface to be protected, having a reactive diluent monomer capable of polymerization upon exposure to ultraviolet light and a photoinitiator serving as a free radical source to initiate polymerization.Type: GrantFiled: December 31, 1991Date of Patent: May 30, 1995Assignee: Tech Spray, Inc.Inventor: Greg R. Unruh
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Patent number: 5384339Abstract: A balancing compound comprising an epoxy resin, a photoinitiator in an effective amount to cure the resin at ambient temperatures upon the application of ultraviolet light (10 nm to 400 nm) of less than 40 watts per square centimeter in less than about 30 seconds, and a filler in an effective amount to give the compound a specific gravity above 1.1.Type: GrantFiled: March 9, 1993Date of Patent: January 24, 1995Inventor: Donn R. Starkey
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Patent number: 5376691Abstract: The invention describes a material for making temporary crowns and bridges that comprises two pastes and can be mixed in a static mixer/application in one cycle without the incorporation of bubbles, and can be easily pressed out. The polymers produced from this are aesthetically pleasing and remarkably break-resistant. Their polymerization-related shrinkage proves to be extremely low. Their radiopaqueness meets clinical requirements.Type: GrantFiled: March 1, 1993Date of Patent: December 27, 1994Assignee: Ernst Muhlbaner KGInventors: Ulrich May, Jurgen Engelbrecht, Ernst Muhlbauer, Edgar Lein
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Patent number: 5352712Abstract: Ultraviolet radiation-curable primary and secondary coating compositions for optical fibers are disclosed. The primary coatings comprise a hydrocarbon polyol-based reactively terminated aliphatic urethane oligomer; a hydrocarbon monomer terminated with at least one end group capable of reacting with the terminus of the oligomer; and an optional photoinitiator. The secondary coatings comprise a polyester and/or polyether-based aliphatic urethane reactively terminated oligomer; a hydrocarbonaceous viscosity-adjusting component capable of reacting with the reactive terminus of (I); and an optional photoinitiator. Also disclosed are optical fibers coated with the secondary coating alone or with the primary and secondary coatings of the invention.Type: GrantFiled: April 16, 1992Date of Patent: October 4, 1994Assignee: Borden, Inc.Inventor: Paul J. Shustack
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Patent number: 5306739Abstract: A highly, filled composition is described containing a polymeric material, at least one filler, and at least one surface active agent. The filler(s) and surface active agent(s) are selected based upon the relationship between their pH's allowing for enhanced filler loading of the compositions. The compositions of the present invention can be used to coat electrical and electronic components or as inasfar covering substrates.Type: GrantFiled: July 22, 1992Date of Patent: April 26, 1994Assignee: MLT/Micro-Lite Technology CorporationInventor: Michael F. Lucey
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Patent number: 5268256Abstract: An electrodepositable photoresist composition for producing non-tacky films on an electroconductive substrate comprises an aqueous dispersion of a water-dispersible photosensitive ionic polymeric material and a polyalkylene oxide-modified polysiloxane sufficient to give slip and blocking properties that enables direct placement of a photomask on the resultant dehydrated film. The composition also preferably contains a nonionic unsaturated material and a photoinitiator.Type: GrantFiled: January 6, 1992Date of Patent: December 7, 1993Assignee: PPG Industries, Inc.Inventors: Jonathan D. Goetz, Charles F. Kahle, II
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Patent number: 5260348Abstract: An improved silicone composition is disclosed, which comprises:a) at least one silanol chain-stopped polydiorganosiloxane polymer;b) an acyloxy, alkoxy, or aryloxy-functional crosslinking agent; andc) a catalytic amount of an onium salt photocatalyst.These materials are characterized by enhanced cure properties, such as short tack free time; and they can also include various other components, such as fillers, plasticizers, condensation cure catalysts, and adhesion promoters.Type: GrantFiled: January 31, 1992Date of Patent: November 9, 1993Assignee: General Electric CompanyInventors: Brian D. Shepherd, David C. Gross
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Patent number: 5260350Abstract: The present invention relates to a silicone coating composition which, when cured on a solid substrate either by ultraviolet or electron beam radiation, provides a transparent abrasion resistant coating firmly adhered thereon. The silicon coating is prepared by reacting at least one multifunctional acrylate monomer with an amino-organofunctional silane, mixing the modified silane with at least one acrylic monomer and thereafter adding colloidal silica.Type: GrantFiled: February 14, 1992Date of Patent: November 9, 1993Assignee: Dow Corning CorporationInventor: Antony P. Wright
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Patent number: 5244933Abstract: Curable compositions are described which contain a binder and a high propion of fillers having a mean grain size of <50 .mu.m. The filler proportion of the curable compositions is so high that they cannot be used for the intended purpose because of their high viscosity However, they can be liquefied by exposure to oscillation in the frequency range of 20 Hz to 20 MHz with an amplitude of 1 .mu.m to 5 mm so that they are workable and can be employed for the intended purpose.Type: GrantFiled: October 11, 1991Date of Patent: September 14, 1993Assignee: Thera Patent GmbH & Co. KG Gesellschaft fur industrielle SchutzrechteInventors: Stefan Eidenbenz, Klaus Ellrich, Oswald Gasser, Rainer Guggenberger, Andreas Iburg, Peter Koran, Michael J. Noack, Reinhold Nowak, Francois Roulet, Klaus-Peter Stefan, Werner Zollner
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Patent number: 5216122Abstract: Residual ethylene oxide is removed from poly(ethylene oxide) by the steps of adding to particles of high molecular weight poly(ethylene oxide) a finely divided solid particulate material which is capable of coating the poly(ethylene oxide) particles and impeding their agglomeration under conditions of heating, heating the particles of poly(ethylene oxide) at a temperature of at least 40.degree. C. and preferably which is near their crystalline melting point, and maintaining the temperature for a sufficient time to reduce the ethylene oxide in the particles of poly(ethylene oxide) to ten ppm or less. In one embodiment, the poly(ethylene oxide) is heated by holding the particles in a heated enclosure; in another, it is heated as a slurry in a liquid medium; in yet another, it is heated by warm gas in a gaseously-fluidized bed; and in a fourth, it is heated by microwave radiation.Type: GrantFiled: May 21, 1991Date of Patent: June 1, 1993Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Walter T. Reichle, Geoffrey A. D'Netto, Guy M. Troy, Meyer R. Rosen, Elke M. A. Clark
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Patent number: 5180757Abstract: Actinic radiation curable composition suitable for use in coating electronic components and as a printing ink comprising as the essential components:(a) a monomer selected from the group consisting of monofunctional vinyl monomers and multifunctional vinyl monomers; or(b) a prepolymer selected from the group consisting of monofunctional vinyl polymers and multifunctional vinyl polymers;(c) a photoinitiator;(d) at least one filler; and(e) at least one surface active agent having a molecular weight greater than or equal to about 227;wherein one of the surface active agent or the filler has a pH greater than or equal to 7 and the other of the surface active agent or the filler has a pH less than or equal to 7 such that dispersion of the filler in the composition is enhanced and relative high loading of filler in the composition is obtainable;(f) or at least two surface active agents having a molecular weight greater than or equal to about 227 wherein one of the surface active agents has a pH greater than or equaType: GrantFiled: May 16, 1991Date of Patent: January 19, 1993Inventor: Michael Lucey
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Patent number: 5158990Abstract: A drop coating compound in particular, for unhoused electrical and electronic circuits and components. The compound includes highly filled ultraviolet-curable epoxy resin compounds having improved properties with respect to their use and in comparison to previously used, predominantly two-component, thermally curable resins.Type: GrantFiled: January 30, 1992Date of Patent: October 27, 1992Assignee: Siemens AktiengesellschaftInventors: Heiner Bayer, Barbara Lehner, Hans-Peter Fritsch, Kurt Wohak
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Patent number: 5158989Abstract: A photocurable ink composition for forming patterns resistive to electroless plating is disclosed which includes (a) an epoxy resin, (b) an aliphatic polyol polyglycidyl ether as a reactive, viscosity controlling agent, (c) a photopolymerization catalyst, and (d) hydrophobic silica particles as a thixotropic agent.Type: GrantFiled: October 9, 1990Date of Patent: October 27, 1992Assignee: Somar CorporationInventors: Osamu Ogitani, Toru Shirose
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Patent number: 5149592Abstract: A flexible glossy coating adherent to polyvinyl chloride for fleet marketing applications which comprises a backbone of cured polymer comprising from about 40 to 80 percent by weight a total of about at least one aliphatic urethane diacrylate normally provided as an oligomer and a total of from about 60 to about 20 percent by weight of a monofunctional component and from 0.5 to 6 percent by weight of an organosilicone component.Type: GrantFiled: February 4, 1991Date of Patent: September 22, 1992Assignee: Avery Dennison CorporationInventor: Mitchell F. Wojnarowicz
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Patent number: 5134175Abstract: Actinic radiation curable composition suitable for use in coating electronic components and as a printing ink comprising as the essential components:(a) a prepolymer selected from the group consisting of monofunctional vinyl resins and multifunctional vinyl resins;(b) a monomer selected from the group consisting of monofunctional vinyl monomers and multifunctional vinyl monomers;(c) a photoinitiator;(d) a filler; and(e) at least one surface active agent having a molecular weight greater than about 227;wherein one of the surface active agent or the filler has a pH greater than or equal to 7 and the other of the surface active agent or the filler has a pH less than or equal to 7 such that dispersion of the filler in the composition is enhanced and relatively high loading of filler in the composition is obtainable.Type: GrantFiled: November 29, 1990Date of Patent: July 28, 1992Inventor: Michael Lucey
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Patent number: 5110857Abstract: Ultravioletsetting resin composition contains fragmentary quartz glass powder in the ratio of 50 to 200 parts to 100 parts of the ultravioletsetting resin. The surface hardness of the ultravioletsetting resin of the present invention is increased in a short time by the application of ultraviolet rays.Type: GrantFiled: March 23, 1990Date of Patent: May 5, 1992Assignee: Aisin Seiki Kabushiki KaishaInventors: Akio Inagaki, Kiyotaka Nakai, Hitoshi Tauchi