Product Having A Material Encapsulated In Or Impregnated In A Nonreactant Material Patents (Class 523/210)
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Patent number: 6727308Abstract: The present invention relates to laser-markable plastics of which a feature is that they comprise as dopant at least one metal powder and/or semimetal powder selected from the group consisting of aluminum, boron, titanium, magnesium, copper, tin, silicon and zinc and one or more effect pigments based on phyllosilicates.Type: GrantFiled: April 13, 2001Date of Patent: April 27, 2004Assignee: Merck Patent Gesellschaft mit beschränkter HaftungInventors: Helge Kniess, Dieter Heinz, Reiner Delp, Gerhard Pfaff, Matthias Kuntz
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Patent number: 6720369Abstract: A process for preparing silica-filled rubber powder is provided, which includes contacting a salt-containing silica-precipitation suspension with at least one selected from the group including a rubber latex, rubber solution, and rubber emulsion, to form a mixture; and precipitating to produce a silica-filled rubber powder. A silica-filled rubber powder prepared by the process, and compositions and uses containing the same, are also provided.Type: GrantFiled: November 15, 2001Date of Patent: April 13, 2004Assignee: PKU Pulverkautschuk Union GmbHInventors: Udo Goerl, Reinhard Stober, Matthias Schmitt, Andreas Gouw
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Publication number: 20040063815Abstract: The present invention provides a decolorized red phosphorus composition capable of inhibiting coloring in dark red peculiar to red phosphorus even when kneaded with a resin or the like, modified red phosphorus used for the decolorized red phosphorus composition and a production method therefor, and a flame-retardant polymer composition using the decolorized red phosphorus composition. The modified red phosphorus includes red phosphorus particles (A) whose surfaces are coated with a modified resin film (F) containing white particles (B) having a whiteness of 70 or more, color particles (C) having a hue H of 30 to 80 in the Munsell color-system hue circle, and a binder resin (D). The decolorized red phosphorus composition includes a mixed powder containing the modified red phosphorus and white particles (B) having a whiteness of 70 or more. The flame-retardant polymer composition contains the decolorized red phosphorus composition and a polymer compound (I).Type: ApplicationFiled: July 15, 2003Publication date: April 1, 2004Inventors: Yutaka Kinose, Akinori Inoue, Takahiro Nishita, Takahiro Nagayama
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Patent number: 6713143Abstract: A thermosetting low-dielectric resin composition which has a low dielectric constant and a low dielectric tangent for use in a printed circuit board and which has excellent adhesion to a metal and scatters almost no resin when used for forming a prepreg by punching or cutting, the composition comprising a component (a): siloxane-modified polyimide, component (b): a compound containing 2 methylallyl groups and having the following formula (1) or a compound containing 3 allyl groups or 3 methylallyl groups and having the following formula (1A), and component (c): a compound containing at least 2 maleimide groups. wherein R is a hydrogen atom or methyl group.Type: GrantFiled: December 31, 2001Date of Patent: March 30, 2004Assignee: Tomegawa Paper Co., Ltd.Inventors: Takeshi Hashimoto, Masaharu Kobayashi, Takeshi Sato, Daisuke Orino
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Patent number: 6710097Abstract: A photocurable resin composition comprising: (A) a urethane (meth)acrylate produced by reacting at least a polyether polyol with a number average molecular weight of 500 or more having an alkyleneoxy structure in the molecule, an organic polyisocyanate compound, and a (meth)acrylate containing a hydroxyl group; (B) a monofunctional (meth)acrylate shown by the following formula (1), wherein R1 represents a hydrogen atom or a methyl group, R2 represents —(CH2CH2O)p—, —(CH(CH3)CH2O)q—, or —CH2CH(OH)CH2O—, Y1, Y2, and Y3 individually represent a hydrogen atom, bromine atom, alkyl group having 1-10 carbon atoms, phenyl group, or —C(CH3)2C6H5—, and p and q represent integers from 0 to 10; and (C) a photoinitiator; its use and optical parts prepared from the photocurable resin composition.Type: GrantFiled: December 3, 2001Date of Patent: March 23, 2004Assignees: DSM N.V., JSR Corporation, Japan Fine Coatings Co., Ltd.Inventors: Hideaki Takase, Jirou Ueda, Takayoshi Tanabe, Takashi Ukachi
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Patent number: 6706785Abstract: Platelet-shaped substrates that are coated with metal oxides and that are useful in the laser marking of plastics are disclosed. The platelet-shaped substrates may be employed as an additive to plastic for laser marking of a wide variety of plastics and for use with a number of different laser types.Type: GrantFiled: February 18, 2000Date of Patent: March 16, 2004Assignee: Rona/EMI Industries, Inc.Inventor: Guoyi Fu
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Publication number: 20040034122Abstract: A golf ball comprising a core; and a cover layer disposed concentrically about the core; wherein at least one of the core or the cover is formed of a polymer comprising metallized lipid-based nanotubules.Type: ApplicationFiled: February 5, 2003Publication date: February 19, 2004Inventor: William B. Lacy
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Patent number: 6682660Abstract: A composite paramagnetic particle and method of making are provided. In one aspect of the invention, a particle comprising a multitude of submicron polymer bead aggregates covalently cross-linked to each other to form larger diameter particles is presented. Distributed throughout the composite paramagnetic particle are vacuous cavities. Each submicron polymer bead has distributed throughout its interior and surface submicron magnetite crystals. In another aspect of the invention, composite particles are made using high energy ultrasound during polymerization of one or more vinyl monomers. In one embodiment, high energy ultrasound is used during an emulsification step and during the early stages of the polymerization process to produce micron sized composite paramagnetic particles. The particles according to the invention exhibit a high percent magnetite incorporation and water and organic solvent stability.Type: GrantFiled: May 14, 2002Date of Patent: January 27, 2004Assignee: MDS Proteomics, Inc.Inventors: Irving Sucholeiki, Nak-Ho Sung, Jun Young Lee
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Patent number: 6646027Abstract: The invention relates to a thermoplastic resin with improved impact strength comprising a) a thermoplastic polyether sulfone resin and b) glass fibers treated with a polyolefin wax. The polyolefin wax may be polyethylene wax, polypropylene wax, polyethylene-propylene wax, or polyethylene-butylene wax. The polyethersulfone resin glass blend has high modulus and improved impact strength.Type: GrantFiled: August 2, 2002Date of Patent: November 11, 2003Assignee: General Electric CompanyInventor: Robert R. Gallucci
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Patent number: 6635693Abstract: A process for making composite colorant particles comprising, in order: I) suspending in an aqueous medium, under agitation, finely divided colorant particles to form an aqueous colorant mixture; II) adding to the aqueous colorant mixture an addition polymerization initiator; and III) causing the addition polymerization initiator to form a free radical while continuously introducing continuously to the aqueous colorant mixture a monomer mixture comprising: a) an addition polymerization initiator, and b) at least one ethylenically-unsaturated monomer; thereby forming the composite colorant particles having a colorant phase and a polymer phase.Type: GrantFiled: March 30, 2001Date of Patent: October 21, 2003Assignee: Eastman Kodak CompanyInventors: Xiaoru Wang, Yongcai Wang, Edward Schofield
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Patent number: 6630080Abstract: A long-life encoder switch which can enable flexible production in which a wide variety of products are manufactured in low volume is provided by using a conductive resin composition which has both excellent conductivity and abrasion resistance as a material for a contact part. The contact part of the encoder switch is produced by making a pattern of the conductive resin composition by screen printing and the conductive particles of the conductive resin composition contain a conductive powder of carbon beads with silver-coated surfaces and a silver powder.Type: GrantFiled: February 22, 2001Date of Patent: October 7, 2003Assignee: Alps Electric Co., Ltd.Inventor: Satoru Matsumora
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Publication number: 20030176548Abstract: Stiff and impact resistant closures derived from the stiff and impact resistant blends including poly(propylene) or poly(ethylene/propylene) and calcium carbonate; stiff and impact resistant compositions including poly(propylene) or poly(ethylene/propylene) and calcium carbonate; methods for increasing stiffness and impact resistance of a poly(propylene) or poly(ethylene/propylene) resin, or a closure; and a method for measuring the impact strength of a closure or a resin at a reduced temperature are disclosed. A presently preferred blend contains from about 40 to about 60 weight percent of poly(propylene) or poly(ethylene/propylene) and from about 25 to about 35 weight percent of calcium carbonate particles treated with fatty acid, the treated particles having a particle size of from about 2.5 to about 3.5 microns.Type: ApplicationFiled: February 10, 2003Publication date: September 18, 2003Inventor: Anatoliy Goldman
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Publication number: 20030166757Abstract: Disclosed is a coated particulate flame retardant for a polymer, which comprises inorganic compound particles, each having, bonded to the surface thereof through a covalent bond, a coating compound so that the inorganic compound particle is coated with the coating compound, wherein the coated inorganic compound particles have an in situ-found number average particle diameter (&agr;) in the range of from 1 to 1,000 nm, as measured with respect to the coated inorganic compound particles in a composition comprising a polymer having dispersed therein the coated inorganic compound particles.Type: ApplicationFiled: February 10, 2003Publication date: September 4, 2003Inventors: Hajime Nishihara, Toshiharu Sakuma
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Patent number: 6602932Abstract: Nanoparticle composites and nanocapsules for guest encapsulation and methods for synthesizing same. One synthesis method includes providing a nanoparticle template; and forming a shell on the nanoparticle template by polymerizing a monomer on the nanoparticle template to form a nanoparticle composite defined by the shell and the nanoparticle template. Another synthesis method includes providing a nanoparticle template; forming a shell on the nanoparticle template by polymerizing a monomer on the nanoparticle template; and dissolving the nanoparticle template to thereby form a hollow nanocapsule defined by the shell. Another synthesis method includes providing a nanoparticle template carrying a guest molecule; and forming a shell on the nanoparticle template by polymerizing a monomer on the nanoparticle template to thereby encapsulate the guest molecule.Type: GrantFiled: December 15, 2000Date of Patent: August 5, 2003Assignee: North Carolina State UniversityInventors: Daniel L. Feldheim, Stella M. Marinakos, David A. Shultz
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Patent number: 6602933Abstract: In-organic fillers are modified by in-situ co-polymerization of vinyl silane and another vinyl monomer. Vinyl silane couples with the filler by Si—O bonds. The remaining vinyl groups on the surface of the treated fillers then co-polymerize with the other vinyl monomer. The modified in-organic fillers treated by the in-situ co-polymerization are subsequently used to fill the polymer matrix. Tensile and impact strength of filler-reinforced polymer composites are improved remarkably.Type: GrantFiled: October 5, 2001Date of Patent: August 5, 2003Assignee: The Hong Kong Polytechnic UniversityInventors: Chak Yin Tang, Xiao-lin Xie
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Patent number: 6602934Abstract: This invention provides a multicolor coating composition comprising a vehicle and a metal oxide-coated silica flake pigment wherein a coating film resulting from baking of said coating composition and a coating film resulting from reheating of the former coating film under the same conditions as in said baking, followed by 10 minutes of standing at room temperature show a color difference of less than 0.5.Type: GrantFiled: July 21, 2000Date of Patent: August 5, 2003Assignee: Nippon Paint Co., Ltd.Inventor: Yoshikatsu Saito
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Publication number: 20030144380Abstract: A method of producing coated carbon black pellets is disclosed and includes contacting carbon black pellets with a coating agent to at least partially coat the individual carbon black pellets with the coating agent. The amount of coating agent applied to the carbon black pellets is preferably from about 1% or less by weight to about 25% by weight based on the total weight of the coated carbon black pellets. Coated carbon black pellets produced by the method are also provided and exhibit excellent attrition resistance, excellent dispersibility in various elastomeric, polymeric, and other compositions, are substantially dust-free, and are free-flowing. Additionally, such coated carbon black pellets can confer beneficial processing properties on elastomeric compositions formed from the pellets, such as improved viscosity and resistance to mold fouling.Type: ApplicationFiled: May 9, 2002Publication date: July 31, 2003Inventors: Dale Clark, Jeffrey J. Lopata, Jameel Menashi, Sincero Bussolari, Maurizio Lucchi, Marcel Van Meurs
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Patent number: 6586500Abstract: The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having decreased levels of extractable material, such as extractable salts of organic cations. This invention is also directed to processes for preparing polymer-clay nanocomposites, and articles or products produced from nanocomposite materials.Type: GrantFiled: May 30, 2001Date of Patent: July 1, 2003Assignee: University of South Carolina Research FoundationInventors: Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer, Tie Lan, Vasiliki Psihogios
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Publication number: 20030104743Abstract: A molding composition including reactive high-volatility monomeric groups, such as acrylics, at least one primary thermal initiator and at least one secondary thermal initiator is described. Molding process using molding compositions including reactive high-volatility monomeric groups are also described.Type: ApplicationFiled: June 26, 2002Publication date: June 5, 2003Inventors: Rolf Thomas Weberg, Lawrence J. Simmons, Richard Reid Gleason
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Patent number: 6562883Abstract: Fine-particle, filled rubber powders prepared by precipitation from aqueous mixtures of a filler suspension and a rubber-latex emulsion in the absence of water-soluble salts of metals of groups IIa, IIb, IIIa, or VIII of the Periodic Table of the Elements and in the absence of alkali metal silicate are used for vulcanizable rubber mixtures.Type: GrantFiled: February 26, 2001Date of Patent: May 13, 2003Assignee: PKU Pulverkautschuk Union GmbHInventors: Udo Goerl, Reinhard Stober, Matthias Schmitt
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Patent number: 6555609Abstract: This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a non-silane coupling agent as a combination of 1-thioglycerol(3-mercapto-1,2-propanediol) and 2,2′-benzothiazyl disulfide. Said coupling agent materials may be provided for mixing with said diene-based rubber(s), for example, as individual materials, as at least one of said materials being supported on a carbon black carrier or as being pre-reacted, or otherwise pre-treated, with synthetic silica aggregates. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.Type: GrantFiled: September 14, 2000Date of Patent: April 29, 2003Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson Gibson Wideman, Kevin James Pyle, Richard Robinson Smith, Paul Harry Sandstrom
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Publication number: 20030069332Abstract: The invention relates to an elastomer/reinforcing filler composite in which said elastomer contains a dispersion therein of said reinforcing filler wherein said composite is prepared by forming said filler reinforcement in situ within the elastomer host. Such in-situ formation of reinforcement filler is created by a condensation reaction of a filler precursor within a solvent solution of a diene hydrocarbon based elastomer and with the aid of a phase transfer agent and a condensation reaction promoter. The invention further relates to a tire having at least one component comprised of the resulting elastomer/filler composite. The invention includes a rubber composition of at least two elastomers wherein one of said elastomers is a said pre-formed composite of said elastomer/filler reinforcement. A tire having a component of such rubber composition, particularly a tire tread, is specifically contemplated.Type: ApplicationFiled: August 29, 2002Publication date: April 10, 2003Inventors: Giorgio Agostini, Thierry Florent Edme Materne, Robert Jerome, Cedric Calberg
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Patent number: 6544609Abstract: Stiff and impact resistant closures derived from the stiff and impact resistant blends including poly(propylene) or poly(ethylene/propylene) and calcium carbonate; stiff and impact resistant compositions including poly(propylene) or poly(ethylene/propylene) and calcium carbonate. A presently preferred blend contains from about 40 to about 60 weight percent of poly(propylene) or poly(ethylene/propylene) and from about 25 to about 35 weight percent of calcium carbonate particles treated with fatty acid, the treated particles having a particle size of from about 2.5 to about 3.5 microns.Type: GrantFiled: July 12, 2000Date of Patent: April 8, 2003Assignee: Alcoa Closure Systems International, Inc.Inventor: Anatoliy Goldman
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Publication number: 20030060539Abstract: The invention relates to liquid glass paint characterized by the fact that it has been treated with an odor neutralizing substance and/or at least one selected scent.Type: ApplicationFiled: September 3, 2002Publication date: March 27, 2003Inventor: Marc Meire
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Patent number: 6538071Abstract: This invention relates to a rubber mixture containing a nitrile rubber, a metal salt of an acrylate, a liquid acrylate and optionally other additives, a process for its preparation, and use for all types of molded articles, in particular roller coatings.Type: GrantFiled: September 1, 2000Date of Patent: March 25, 2003Assignee: Bayer AktiengesellschaftInventor: Erich Fuchs
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Publication number: 20030040552Abstract: Microcapsule/adhesive compositions are provided having a solids content of greater than about 40 percent. These compositions may be subsequently diluted for application to a substrate, or alternatively may be applied in undiluted form at low application rates. The compositions are economical to use, and provide surprisingly high adhesion to substrates.Type: ApplicationFiled: July 16, 2002Publication date: February 27, 2003Applicant: 3M Innovative Properties CompanyInventors: Douglas Quong, Kent E. Nielsen
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Patent number: 6521682Abstract: A flame-resistant additive for textile materials and microfiber non-woven fabrics of the artificial-leather type that imparts a high level of fireproofing properties to the textile material treated without negatively affecting the visual and mechanical characteristics, softness to the touch. The flame-resistant additive includes a fireproofing component having a finely divided mixture of melamine and melamine cyanurate and a clay or other adsorbent material such as diatomaceous earth, zeolite, inorganic oxides such as alumina, silica, magnesium oxide or mixtures of inorganic oxides and a binder which includes an aqueous dispersion of an acrylic or maleic polymer or copolymer and a multifunctional cross-linker of the acrylic or maleic polymer or copolymer.Type: GrantFiled: July 13, 2000Date of Patent: February 18, 2003Assignee: Alcantara S.p.A.Inventors: Rocco Costantino, Ennio Giuliacci, Elisabetta Baroni, Mario Bartolini, Paolo Bartolini, Massimiliano Castagnoli, Mario Cocci
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Publication number: 20030022963Abstract: A process for producing a composite material comprising a polymer with polar or polarizable groups, a layered silicate dispersed therein, and a substance such as surfactant which controls the crystalline structure or molecular conformation of the polymer. The process produces the composite material without in situ formation or melting. The composite material has an increased glass transition temperature, improved mechanical strength and high optical clarity or transparency.Type: ApplicationFiled: July 24, 2001Publication date: January 30, 2003Inventor: James G. Parsons
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Patent number: 6506818Abstract: The polyester composition for films includes, based on 100 parts by weight of a polyester resin, 0.01 to 5 parts by weight of aluminum silicate particles containing aluminum and silica as principal components and an alkali metal. To provide polyester films suitable for magnetic recording media, the polymer composition contains surface- modified aluminum silicate particles and two additional particles distinct in particle diameter. The polyester films thus obtained have excellent abrasion resistance and scratch resistance.Type: GrantFiled: November 21, 2000Date of Patent: January 14, 2003Assignee: Kolon Industries, Inc.Inventors: Wooseok Choi, Sangbong Park
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Publication number: 20020198286Abstract: An electromagnetic wave suppressor sheet formed into a sheet-like shape out of a material made of synthetic resin in which powder of conjugated magnetic particles surface-treated with an insulating inorganic material has been dispersed.Type: ApplicationFiled: June 11, 2002Publication date: December 26, 2002Applicant: NITTO DENKO CORPORATION and SONY CORPORATIONInventors: Kazumasa Igarashi, Junichi Toyoda, Katsumi Okayama
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Patent number: 6496298Abstract: A display media with an encapsulant medium, and bichromal beads having a charge adjuvant, wherein the bichromal beads are dispersed or contained in the encapsulant medium is set forth.Type: GrantFiled: October 26, 1999Date of Patent: December 17, 2002Assignee: Xerox CorporationInventors: Nicholas K. Sheridon, Ron Swidler
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Patent number: 6495615Abstract: The invention relates to a thermoplastic resin with improved impact strength comprising a) a thermoplastic polyether sulfone resin and b) glass fibers treated with a polyolefin wax. The polyethersulfone resin glass blend has high modulus and improved impact strength.Type: GrantFiled: July 16, 2001Date of Patent: December 17, 2002Assignee: General Electric CompanyInventor: Robert R. Gallucci
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Patent number: 6486253Abstract: This invention relates to a polymer-clay nanocomposite having an improved gas permeability comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a layered clay material intercalated with a mixture of at least two organic cations. The invention also relates to processes for preparing a nanocomposite and articles produced from a nanocomposite.Type: GrantFiled: December 1, 1999Date of Patent: November 26, 2002Assignee: University of South Carolina Research FoundationInventors: John Walker Gilmer, Robert Boyd Barbee, James Christopher Matayabas, Jr., Tie Lan
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Patent number: 6486254Abstract: This invention relates to a colorant composition comprising a layered clay material intercalated with at least one cationic colorant, optical brightener or a mixture thereof. This invention also relates to a polymer-clay nanocomposite comprising (i) a melt-processible matrix polymer, and (ii) a layered clay material intercalated with at least one cationic colorant, optical brightener or a mixture thereof, wherein the clay-cation colorant/optical brightener intercalate is incorporated into the matrix polymer. The invention further relates to articles produced from the polymer nanocomposite.Type: GrantFiled: December 1, 1999Date of Patent: November 26, 2002Assignee: University of South Carolina Research FoundationInventors: Robert Boyd Barbee, Max Allen Weaver, James Christopher Matayabas, Jr.
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Patent number: 6479167Abstract: A sealing material for flip chip-type semiconductor devices comprises a liquid epoxy resin composition which includes (A) a liquid epoxy resin, (B) an optional curing agent, (C) an inorganic filler, and (D) 1 to 15 parts by weight of a microencapsulated catalyst per 100 parts by weight of components A and B combined. The excellent thin-film penetration and shelf stability of the sealing material confer a very high reliability to flip chip-type semiconductor devices made using the sealing material.Type: GrantFiled: February 1, 2001Date of Patent: November 12, 2002Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kazuaki Sumita, Toshio Shiobara
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Patent number: 6469072Abstract: A method for dispersing solid forms of additives in polymers involves adding dispersions or solutions of additive(s) to a solution of polymer in a tubular mixer (preferably in the presence of a stationary mixer). The mixer leads to a steam precipitation step wherein all fluid ingredients in the mixture are volatilized leaving the solid additive and resin in the desired ratio. This results in a uniform dispersion of the additives in the polymer matrix. As a result of the high dispersion, physical properties of a thermoplastic resin, to which the polymer matrix has been added are preserved. In one illustration, PTFE as a drip inhibitor additive, is added to polycarbonate to obtain a highly dispersed PTFE concentrate of improved-drip-inhibition without loss of mechanical properties when added to a thermoplastic molding resin.Type: GrantFiled: September 1, 2000Date of Patent: October 22, 2002Assignee: General Electric CompanyInventors: Qamar S. Bhatia, Paul Buckley, Gary Davis, Robert L. Howe, Wie-Hin Pan, Elliott Shanklin
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Publication number: 20020137819Abstract: A metallic effect pigment including a metallic, corrosion resistant reflective core of reflectivity from 40% to 80%; having deposited thereupon at least one dielectric coating layer formed of at least one metal oxide, the metal oxide layer having been formed by deposition on the core by hydrolysis of a hydrolyzable metal salt in an strongly acidic aqueous medium, and thereafter full transformation into the oxide by calcination.Type: ApplicationFiled: March 21, 2002Publication date: September 26, 2002Inventors: Jack Polonka, Patrice Bujard, Natacha Bonnard Pillonel, Fritz Herren
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Patent number: 6455612Abstract: This invention provides an apparatus and method for injecting an additive directly into a polymer melt stream. The method comprises supplying a melt flow of a polymeric host material to a die assembly having a thin-plate assembly and injecting at least one additive into at least one predetermined location in a cross-section of the melt flow of the polymeric host material while the melt flow passes through the die assembly. The method achieves uniform dosing of the one or more additives in the extrusion direction in the polymeric host material without homogeneously mixing the one or more additives and the polymeric host material. The apparatus for directly injecting one or more additives into a polymer melt stream comprises a pumping system, a die assembly having a thin-plate assembly, and a distribution line.Type: GrantFiled: February 27, 2001Date of Patent: September 24, 2002Assignee: BASF CorporationInventors: Charles F. Helms, Jr., Dominick A. Burlone, James L. Huff, Thomas Kessler, Herman Brandt, Walter Gotz, Jürgen Hofmann
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Publication number: 20020128365Abstract: To provide a resin composition as a non-halogenated flame retardant resin composition, having a. high degree of flame retardant property, equipped with good electric characteristics by suppressing the generation of phosphoric acid, and improved in working environment and safety by using a flame retardant resin composition comprising (A) a thermoplastic aromatic polyester of 100 parts weight, (B) a coated red phosphorus powder consisting of an essentially spherical red phosphorus having a cured resin coating, directly obtained from a conversion treatment method of yellow phosphorus, not requiring a pulverization and without having crushed surfaces of 1 to 15 parts weight and (C) an aromatic polycarbonate of 5 to 150 parts weight.Type: ApplicationFiled: October 22, 1999Publication date: September 12, 2002Inventors: MIOKO SUZUKI, KATSUHIKO HIRONAKA, JUN HARUHARA
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Patent number: 6448325Abstract: There is disclosed a rubber composition particularly suited for use in tires. The rubber composition is composed of 100 parts by weight of at least one rubber containing olefinic unsaturation; and from 1 to 150 parts per 100 parts by weight of rubber, of a silica having predispersed on the surface of the silica a liquid epoxidized butadiene polymer having a number average molecular weight of from 500 to 10,000.Type: GrantFiled: February 27, 2001Date of Patent: September 10, 2002Assignee: The Goodyear Tire & Rubber CompanyInventors: Friedrich Visel, Thierry Florent Edme Materne, Giorgio Agostini
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Patent number: 6429158Abstract: A molding composition including reactive high-volatility monomeric groups, such as acrylics, at least one primary thermal initiator and at least one secondary thermal initiator is described. Molding processs using molding compositions including reactive high-volatility monomeric groups are also described.Type: GrantFiled: July 18, 2000Date of Patent: August 6, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Rolf Thomas Weberg, Lawrence J. Simmons, Richard Reid Gleason
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Patent number: 6410605Abstract: A process for preparing a solid particles-containing emulsion comprising mixing an oil droplets-in-water emulsion with lipophilic solid particles or a dispersion thereof, thereby allowing to include the lipophilic solid particles in the oil droplets. The solid particles-containing emulsion can be suitably used in paints, inks for ink jet printers, fiber-treated agents, coating materials, adhesives, skin cosmetics, hair cosmetics, and the like.Type: GrantFiled: March 20, 2000Date of Patent: June 25, 2002Assignee: Kao CorporationInventors: Toshiya Shimada, Kouichi Funada, Hidetake Nakamura, Hideaki Kubo
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Patent number: 6410142Abstract: Disclosed is a sPS nanocomposite with improved crystallization properties and higher mechanical strength, which comprises a polymer matrix containing syndiotactic polystyrene (sPS), and a layered clay material uniformly dispersed in the polymer matrix. The layered clay material is intercalated with an organic onium cation and optionally along with a polymer or oligomer which is compatible or partially compatible with sPS. The interlayer distances of the layered clay material are at least 20 Å. The sPS nanocomposite can be prepared by ways of in-situ polymerization, melt blending, or solution blending. According to the invention, the layered clay material dispersed in the sPS matrix not only leads to higher mechanical strength, but also, surprisingly, improves crystallization properties of sPS.Type: GrantFiled: July 14, 2000Date of Patent: June 25, 2002Assignee: Industrial Technology Research InstituteInventors: In-Mau Chen, Wen-Faa Kuo, Hsien-Yin Tsai, Jeng-Yue Wu
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Patent number: 6387986Abstract: Encapsulated crosslinking agents and gel-forming compositions are provided that can be utilized in oil field applications. Processes for producing said encapsulated crosslinking agents and said gel-forming compositions are also provided. In addition, a process for injecting said gel-forming composition into a subterranean formation is also provided.Type: GrantFiled: June 24, 1999Date of Patent: May 14, 2002Inventors: Ahmad Moradi-Araghi, Kari Daasvatn, Aly A. Hamouda
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Patent number: 6387482Abstract: A heat absorbing coating having a plurality of micro-capsules each being an encapsulant shell and a heat absorbing material within the shell, and a carrier adherable to a substrate and throughout which the micro-capsules are dispersed. The heat absorbing material is preferably a phase change material and can be non-limitedly chosen from the group consisting of polyethylene, polypropylene, polywax, and combinations thereof. Shell material can be a metal such as copper, for example, or a polymer. The carrier can be a sprayable polymer mix which provides significant efficacy in uniform application to a substrate. An inventive substrate structure, such as an aircraft structure for example, has thereon the above-defined coating in an amount sufficient to absorb a sufficient amount of heat from the substrate to substantially inhibit thermal erosion in normal operating environments.Type: GrantFiled: February 11, 1998Date of Patent: May 14, 2002Assignee: Vought Aircraft Industries, Inc.Inventors: Carmine Persiani, James A. Clarke
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Patent number: 6376577Abstract: The present invention relates to laser-markable plastics which comprise, as dopant, graphite particles having one or more coatings.Type: GrantFiled: December 18, 2000Date of Patent: April 23, 2002Assignee: Merck PatentgesellschaftInventors: Helge Kniess, Dieter Heinz, Reiner Delp, Gerhard Pfaff, Matthias Kuntz
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Patent number: 6369130Abstract: Thermoplastic fluoropolymer compositions, flexible, without whitening, comprising: I) ETFE or ECTFE fluoropolymers modified with hydrogenated monomers; II) one or more hydrogenated plasticizers; III) one or more inorganic fire retardants; IV) optionally other ingredients such as fillers, smoke retarders, intumescent agents, pigments, lubricants, organic fire retardants and thermal stabilizers.Type: GrantFiled: October 1, 1998Date of Patent: April 9, 2002Assignee: Ausimont S.p.A.Inventors: Mikhail Zolotnitsky, Gary Stanitis, Julio A. Abusleme
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Patent number: 6342100Abstract: Bimolecular coated calcium carbonate and a process for controlled surface treatment of calcium carbonate according to which an amount of coating determined from the mean particle diameter (dp) of the calcium carbonate is contacted with the calcium carbonate particles. The way in which the amount of coating agent is determined enables purposeful control of the properties of the coated calcium carbonate particles to adapt them for use as functional filling materials in different technical applications.Type: GrantFiled: March 3, 2000Date of Patent: January 29, 2002Assignee: Solvay Soda Deutschland GmbHInventors: Christoph Nover, Helmut Dillenburg
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Publication number: 20020010245Abstract: A thermally conductive silicone rubber composition comprising (A) a curable organopolysiloxane, (B) a curing agent, and (C) a thermally conductive filler surface treated with (D) a silalkylene oligosiloxane described by formula 1Type: ApplicationFiled: May 31, 2001Publication date: January 24, 2002Inventors: Hiroji Enami, Masayuki Onishi, Tadashi Okawa, Masaaki Amako
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Patent number: 6340723Abstract: The invention relates to a highly orientated flaky pigment being excellent in plane orientation (leafing effect), wherein a hydrated metal oxide and one or more fluorine-containing phosphates represented by the general formulae (A) and (B) shown in below or salts thereof are covered on the surface of a flaky pigment with a pearl gloss. The general formulae: (A) (RfCnH2nO)mPO(OM)3−m (B) (RfSO2NRCnH2nO)mPO(OM)3−m wherein Rf is the same or different and represents linear or branched C3 to C21 perfluoroalkyl group or perfluoroxyalkyl group, n is 1 to 12, m is 1 to 3, M represents hydrogen, alkali metal, ammonium group or substituted ammonium group, and R represents hydrogen or C1 to C3 alkyl group. A process for producing said pigment in a wet process is also disclosed.Type: GrantFiled: October 5, 2000Date of Patent: January 22, 2002Assignee: Merck Patent Gesellschaft mit beschraenkter HaftungInventors: Katsuhisa Nitta, Bangyin Li