Group Va Metal (as, Sb, Bi) Patents (Class 523/460)
  • Patent number: 8952097
    Abstract: A composition including at least one curable structural adhesive, and at least one chemically cross-linked elastomer, wherein the chemically cross-linked elastomer is present in the structural adhesive as penetrating polymer network. Such a composition constitutes a so-called shape memory material and is suitable for reinforcing cavities in structural components, such as, for example, in automobile bodies.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: February 10, 2015
    Assignee: Sika Technology AG
    Inventors: Jürgen Finter, Matthias Gössi
  • Patent number: 8697237
    Abstract: The invention relates to a thermosetting resin composition which includes a metal filler component, a fluxing component and a thermosetting resin binder. The metal filler component includes at least one of bismuth (Bi) and indium (In), and tin (Sn). The fluxing component, which at least one of a compound of structural formula (1) below and a compound of structural formula (2) below, is used. In the above formulas, R1 to R6 are each a hydrogen or alkyl group, and X is an organic group which has a lone electron pair or double bond ? electrons and is capable of coordinating with a metal.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: April 15, 2014
    Assignee: Panasonic Corporation
    Inventors: Hirohisa Hino, Taro Fukui, Hidenori Miyakawa, Atsushi Yamaguchi, Takayuki Higuchi
  • Patent number: 8604612
    Abstract: Present embodiments are directed to an adhesive and method for assembling a chip package. The adhesive may be used to couple a chip to a substrate, and the adhesive may include an epoxy-based dielectric material, an epoxy resin, a photoacid generator, an antioxidant, and a cold catalyst corresponding to the photoacid generator.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: December 10, 2013
    Assignee: General Electric Company
    Inventors: Richard Joseph Saia, Thomas Bert Gorczyca
  • Patent number: 8575238
    Abstract: The disclosure relates to an X-ray opaque coating containing an epoxy resin including an iodinated phenol covalently bonded to a glycidyl ether. Iodinated phenol covalently bonded to a glycidyl ether may include iodinated bisphenol A, such as tetraiodobisphenol A, a glycidyl ether of mono-iodophenol, bis-iodephenol, tri-iodophenol, or combinations thereof. The coating may include an X-ray opaque inorganic filler. The disclosure also relates to an electronic component including a substrate and at last one device coupled to the substrate with an obfuscation layer disposed over the substrate for obscuring the device from an X-ray source. The obfuscation layer may include an X-ray opaque coating. The disclosure additionally relates to- a method of obscuring at least a portion of an electronic component by depositing an obfuscation layer that may include an X-ray opaque coating and a method of forming an X-ray opaque coating.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: November 5, 2013
    Assignee: Raytheon Company
    Inventors: Thomas K. Dougherty, Christopher T. Snively, Steven E. Lau, William J. Wolfgong, Cindy W. Ma, Stephen L. Schrader
  • Publication number: 20120207986
    Abstract: A structural reinforcement material is provided that includes a base material selected from thermosets, low viscosity thermoplastics with short transition phases and low viscosities, low melting point metallic alloys, and combinations thereof. At STP, the structural reinforcement material is a solid or a formable dough or a mixture thereof. When heated to an activation temperature, the structural reinforcement material becomes flowable into a cavity. Following cooling, the structural reinforcement material is a solid or a thermoset with a strength sufficient to reinforce the cavity. A structural reinforcement insert comprising the structural reinforcement material is also provided, as is a reinforced cavity of an automobile and a method of reinforcing a cavity.
    Type: Application
    Filed: April 3, 2012
    Publication date: August 16, 2012
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Vincent BELPAIRE, Dominique MELLANO, Norman BLANK, Juergen FINTER
  • Publication number: 20110039978
    Abstract: The epoxy resin molding material of the invention comprises (A) an epoxy resin and (B) a curing agent, wherein the (B) curing agent contains a polyvalent carboxylic acid condensate. The thermosetting resin composition of the invention comprises (A) an epoxy resin and (B) a curing agent, wherein the viscosity of the (B) curing agent is 1.0-1000 mPa·s at 150° C., as measured with an ICI cone-plate Brookfield viscometer.
    Type: Application
    Filed: January 9, 2009
    Publication date: February 17, 2011
    Inventors: Hayato Kotani, Naoyuki Urasaki, Makoto Mizutani
  • Patent number: 7888411
    Abstract: A thermally conductive adhesive composition includes a powder of a high melting point metal or metal alloy, a powder of a low melting point metal or metal alloy, and a polymerizable fluxing polymer matrix composition having a polyepoxide polymer resin and a low-melting solid or liquid acid-anhydride and a polymer diluent or diluents with carbon carbon double bonds and/or functional hydroxyl groups. The ratio by weight of the low melting point powder to high melting point powder ranges from about 0.50 to about 0.80, and may range from about 0.64 to about 0.75, and may be 0.665. Heretofore unpredicted substantially higher thermal conductivity improvements in performance have been found using these ratios of low melting point powder to high melting point powder.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: February 15, 2011
    Assignee: Creative Electron, Inc.
    Inventors: Matthew Wrosch, Miguel Albert Capote, Janet Fox, legal representative, Alan Grieve
  • Publication number: 20110031527
    Abstract: The epoxy resin molding material of the invention comprises (A) an epoxy resin and (B) a curing agent, wherein the (B) curing agent contains a polyvalent carboxylic acid condensate. The thermosetting resin composition of the invention comprises (A) an epoxy resin and (B) a curing agent, wherein the viscosity of the (B) curing agent is 1.0-1000 mPa·s at 150° C., as measured with an ICI cone-plate Brookfield viscometer.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 10, 2011
    Inventors: Hayato Kotani, Naoyuki Urasaki, Makoto Mizutani
  • Publication number: 20100255312
    Abstract: The disclosure relates to an X-ray opaque coating containing an epoxy resin including an iodinated phenol covalently bonded to a glycidyl ether. Iodinated phenol covalently bonded to a glycidyl ether may include iodinated bisphenol A, such as tetraiodobisphenol A, a glycidyl ether of mono-iodophenol, bis-iodophenol, tri-iodophenol, or combinations thereof. The coating may include an X-ray opaque inorganic filler. The disclosure also relates to an electronic component including a substrate and at least one device coupled to the substrate with an obfuscation layer disposed over the substrate for obscuring the device from an X-ray source. The obfuscation layer may include an X-ray opaque coating. The disclosure additionally relates to a method of obscuring at least a portion of an electronic component by depositing an obfuscation layer that may include an X-ray opaque coating and a method of forming an X-ray opaque coating.
    Type: Application
    Filed: November 17, 2009
    Publication date: October 7, 2010
    Inventors: Thomas K. Dougherty, Christopher T. Snively, Steven E. Lau, William J. Wolfgong, Cindy W. Ma, Stephen L. Schrader
  • Patent number: 7674846
    Abstract: As a paint composition of cationic electrodeposition and a method preparing thereof, the paint composition of cationic electrodeposition comprises about 42 to about 47 percent by weight of a cationic electrodeposition resin composition, about 6 to about 13 percent by weight of a pigment paste composition, and about 40 to about 48 percent by weight of ion exchange water. An electronic part film coated by utilizing the paint composition of cationic electrodeposition on alloy such as an iron, an aluminum, etc. does not include a lead and a tin. In addition, when assembling electronic parts, an error rate is minimized by inhibiting frictional static electricity through anti-static capacity, and the probability of a fire is dirninished by inhibiting static electricity.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: March 9, 2010
    Assignee: DPI Holdings Co., Ltd.,
    Inventors: Hoon Chung, Jong-Myung Hong
  • Patent number: 7625477
    Abstract: This invention provides an electrodeposition paint comprising particles of at least one metallic compound selected from bismuth hydroxide, zirconium compound and tungsten compound, said particles of the metallic compound having an average particle diameter of 1-1,000 nm. The electrodeposition paint forms coating film excelling in corrosion resistance, finished appearance, paint stability and so on.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: December 1, 2009
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Masahide Kawaraya, Toshimitsu Muramatsu, Yuji Hirose
  • Publication number: 20070155916
    Abstract: As a paint composition of cationic electrodeposition and a method preparing thereof, the paint composition of cationic electrodeposition comprises about 42 to about 47 percent by weight of a cationic electrodeposition resin composition, about 6 to about 13 percent by weight of a pigment paste composition, and about 40 to about 48 percent by weight of ion exchange water. An electronic part film coated by utilizing the paint composition of cationic electrodeposition on alloy such as an iron, an aluminum, etc. does not include a lead and a tin. In addition, when assembling electronic parts, an error rate is minimized by inhibiting frictional static electricity through anti-static capacity, and the probability of a fire is diminished by inhibiting static electricity.
    Type: Application
    Filed: September 8, 2006
    Publication date: July 5, 2007
    Inventors: Hoon Chung, Jong-Myung Hong
  • Patent number: 7179853
    Abstract: Disclosed are a resin dispersion and a cationic electrodeposition coating composition including the same, in which the dried coating film of the electrodeposition paint is lead-free and has an epoxy-acrylic double-layered structure for displaying excellent properties, and in which an organic solvent content can be minimized. A resin dispersion of a cationic electrodeposition includes an aqueous dispersion prepared by the following processes. The resin dispersion includes a cationic electrodeposition resin, deionized water, an acid for neutralization, a reaction product of manganese phosphate and an acid diluted in an deionized water to 10%, and a cationic surfactant.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: February 20, 2007
    Assignee: DPI Co., Ltd.
    Inventors: Hoon Chung, Seung-Jae Baek, Jong-Myung Hong, Ki-Myong Song
  • Patent number: 6942922
    Abstract: The present invention provides a cationic paint composition containing, as a vehicle component, a xylene-formaldehyde resin-modified amino group-containing epoxy resin obtained by reacting an epoxy resin having an epoxy equivalent of 180 to 2,500 with an alkyl phenol and/or a carboxylic acid, a xylene-formaldehyde resin, and an amino group-containing compound.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: September 13, 2005
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Shigeo Nishiguchi, Hidenori Sawada, Hideki Iijima, Koji Kamikado
  • Patent number: 6830825
    Abstract: An epoxy resin composition for encapsulation of semiconductors which contains substantially no halogen-based flame retarding agents or antimony compounds having properties of moldability, flame retardance, high-temperature storage characteristics, reliability for moisture resistance, and solder cracking resistance. The epoxy resin composition for encapsulating semiconductors contains (A) an epoxy resin, (B) a phenolic resin, (C) a curing accelerator, (D) an inorganic filler and (E) a phosphazene compound as essential components, the total weight of phosphate ion and phosphite ion contained in the phosphazene compound being not more than 500 ppm. Further, the epoxy resin composition may optionally contain a flame-retarding assistant or an ion scavenger.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: December 14, 2004
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Takafumi Sumiyoshi, Ayako Mizushima, Ken Oota, Yoshio Fujieda, Hiroki Nikaido, Takashi Aihara
  • Patent number: 6791839
    Abstract: A composition that can be used to prepare a thermal interface material includes: A) a curable matrix having a curing temperature, B) a metal filler having a low melting point, optionally C) a spacer, and optionally D) a conductive filler. The temperature at which component B) commences softening is less than the curing temperature of component A). A thermal interface material is prepared by: 1) interposing the composition between an electronic component and a heat spreader to form a bondline, 2) heating the composition to a temperature higher than the temperature at which component B) commences softening but less than the curing temperature of component A) and optionally applying pressure to the composition, and 3) heating the composition to a temperature greater than or equal to the curing temperature of component A). The average particle size of component B) is greater than or equal to the bondline thickness.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: September 14, 2004
    Assignee: Dow Corning Corporation
    Inventor: Dorab Edul Bhagwagar
  • Patent number: 6627684
    Abstract: The present invention discloses a dielectric composition having two steps of laminating temperatures. The composition is comprised of: a diamine curing agent containing asymmetrical chemical structures with different reactivity; an epoxy resin compound, containing at least two epoxy groups; and inorganic powder. In addition, flame retardant and toughener are added dependent on the requirements.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: September 30, 2003
    Assignee: Industrial Technology Research Institute
    Inventors: Tzong-Ming Lee, Hsun-Tien Li, Kai-Chi Chen, Mei-Ling Chen
  • Patent number: 6617030
    Abstract: This invention provides, at a low cost, a low-pollution type cationic electro-coating bath composition which contains neither lead nor chromium, and which comprises cationic electrodeposition paint and, contained therein, a bismuth oxide paste, the amount of the bismuth oxide paste being within a range of 0.1 to 0.3% by weight as metal bismuth on the basis of total solid content of said cationic electro-coating bath composition, and the bismuth oxide paste being prepared by dispersing bismuth oxide (B) in an organic acid-neutralized aqueous dispersion of diethanol amine-added alicyclic epoxy resin (A).
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: September 9, 2003
    Assignees: Kansai Paint Co., Ltd., Honda Giken Kogvo Kabushiki Kaisha
    Inventors: Hiroyuki Morishita, Yasuyuki Hirata, Shigeo Murofushi, Akira Tominaga
  • Patent number: 6475641
    Abstract: A connecting material that can be used in the mounting of semiconductor devices on a circuit substrate for semiconductor devices, contains the following components A to C: (A) an epoxy resin; (B) a phenol compound having two or more phenolic hydroxyl groups; and (C) a latent curing agent, where it is preferred that if the ratio of the number of phenolic hydroxyl group equivalents of the phenol compound of component B to the number of epoxy equivalents of the epoxy resin in the connecting material is 0.2 to 1.0.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: November 5, 2002
    Assignee: Sony Chemicals Corp.
    Inventors: Junji Shinozaki, Motohide Takeichi
  • Patent number: 6465541
    Abstract: Polymerizable composition that include: (a) a cationically active functional group; (b) an initiation system capable of initiating cationic polymerization of the cationically active functional group; and (c) a filler composition that includes various radiopacifying fillers in an amount sufficient to render the polymerizable composition radiopaque. Components (a), (b), and (c) are selected such that the polymerizable composition polymerizes to form a polymerized composition having a Barcol hardness, measured using a GYZJ-935 meter, of at least 10 within 30 minutes following initiation of the cationically active functional group are a reaction temperature of 25° C.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: October 15, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Kathyrn R. Bretscher, Richard P. Rusin, Sumita B. Mitra, Janis R. Gust, Cheryl A. Hayne, Dwight W. Jacobs, David A. Kaisaki
  • Publication number: 20020123540
    Abstract: The present invention discloses a dielectric composition having two steps of laminating temperatures. The composition is comprised of: a diamine curing agent containing asymmetrical chemical structures with different reactivity; an epoxy resin compound, containing at least two epoxy groups; and inorganic powder. In addition, flame retardant and toughener are added dependent on the requirements.
    Type: Application
    Filed: December 18, 2001
    Publication date: September 5, 2002
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Tzong-Ming Lee, Hsun-Tien Li, Kai-Chi Chen, Mei-Ling Chen
  • Patent number: 6440568
    Abstract: A plastic lens having a primer layer made from a polyurethane resin obtained through a reaction between a polyester polyol containing isophthalic acid as a main component and a polyisocyanate. A plastic lens having excellent resistance to scratch and impact resistance can be obtained by further forming a hard-coat layer and an anti-reflection layer on the primer layer.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: August 27, 2002
    Assignee: Nippon Arc Co., Ltd.
    Inventors: Hisayuki Kayanoki, Fujio Sawaragi
  • Patent number: 6322620
    Abstract: A thermoset conductive ink for use in through hole interconnections or similar electric and electronic applications to provide stable electrical connections. The conductive ink of this invention comprises a thermal curable resin system having an admixing of an epoxy resin, a cross-linking agent and a catalyst, an electrically conductive material such as silver, copper or silver-coated copper and an organic solvent.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: November 27, 2001
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventor: Yue Xiao
  • Patent number: 6306926
    Abstract: Polymerizable compositions that include: (a) a cationically active functional group; (b) an initiation system capable of initiating cationic polymerization of the cationically active functional group; and (c) a filler composition that includes various radiopacifying fillers in an amount sufficient to render the polymerizable composition radiopaque. Components (a), (b), and (c) are selected such that the polymerizable composition polymerizes to form a polymerized composition having a Barcol hardness, measured using a GYZJ-935 meter, of at least 10 within 30 minutes following initiation of the cationically active functional group at a reaction temperature of 25° C.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: October 23, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Kathyrn R. Bretscher, Richard P. Rusin, Bradley D. Craig, Sumita B. Mitra, Joel D. Oxman, Janis R. Gust, Cheryl A. Hayne, James W. Westberg, Matthew C. Trom, Brant U. Kolb, Dwight W. Jacobs, David A. Kaisaki, James A. Baker
  • Patent number: 6288145
    Abstract: High-melting polyamide resin compositions having improved mechanical properties, and molded articles for electrical and electronic components made using the same. The high-melting polyamide resin compositions comprise an aromatic polyamide having a melting point of 280° C. to 340° C. and glycidyl isocyanurate, a novolak-epoxy, or mixtures thereof.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: September 11, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Atsushi Miyabo
  • Patent number: 6284818
    Abstract: In the present invention, provided are i) an encapsulant composition comprising an epoxy resin, a curing agent, an inorganic filler, an adduct of triphenylphosphine with benzoquinone, and a hydrous bismuth nitrate oxide; the inorganic filler being mixed in an amount of from 70% by volume to 85% by volume based on the total weight of the encapsulant composition, and the hydrous bismuth nitrate oxide being mixed in an amount of from 2.5 parts by weight to 20 parts by weight based on 100 parts by weight of the epoxy resin, and ii) an electronic device having an encapsulating member comprising a cured product of this encapsulant composition.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: September 4, 2001
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Tatsuo Kawata, Hiroyuki Sakai, Terumi Tsukahara
  • Patent number: 6228500
    Abstract: An adhesive composition, which is useful as an adhesive for FPC protective film and is particularly superior in dimensional stability and adhesion is described herein. The adhesive composition comprises a resin component containing an phenoxy resin, an epoxy resin and a curing agent, characterized in that said resin component further contains a polyester polyol and an inorganic colloid dispersed in said resin component.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: May 8, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Yuji Hiroshige, Kohichiro Kawate
  • Patent number: 6005024
    Abstract: The present invention pertains to novel durable, tough, transparent, luminescent overlay compositions, useful for highlighting and/or illuminating and preserving surfaces and markings thereupon, such as roadways/highways, pedestrian passageways, airport runways, traffic control surface markings on travelways such as those listed above, traffic control devices/signs, structures, and articles. The clear compositions contain a moisture sensitive luminescent substance (for example, a phosphorescent substance having increased brightness and longer lasting afterglow) and an epoxy resin which imparts moisture stability to the luminescent substance, and durability and longer life to the underlying markings, surface area, structure or article.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: December 21, 1999
    Inventors: Irving Anders, Bruce Anders
  • Patent number: 5936013
    Abstract: The invention pertains to a method for producing preparations containing bismuth salts, wherein bismuth oxide is reacted in a specific way with lactic acid and the resulting mixture of bismuthyl lactate and bismuth lactate is dispersed in a binder. These preparations are used as catalytic components in electrophoretic paints to be applied by cathodic deposition. Dipping paints of this kind have excellent application and film properties. This obviates the need to use lead and tin compounds as catalysts.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: August 10, 1999
    Assignee: Vianova Resins AG
    Inventors: Roland Feola, Brigitte Burgmann, Franz Kurzmann
  • Patent number: 5876210
    Abstract: The invention concerns a process for preparing a polymer composition, that is free-radical/photochemical and thermal curing epoxide-methacrylate and/or isocyanate-methacrylate adhesives in broadest terms, dental/medical adhesives, and dental restoratives. Furthermore the dual curing epoxide-methacrylate and/or isocyanate-methacrylate adhesives can be used in the optical industry, in optoelectronics and microelectronics, for example for the adhesion of complicated optical components in the combination glass/glass, glass/metal. Advantageous is the small shrinkage during polymerization and the good mechanical properties in combination with the possibility of step-wise or one-step polymerization.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: March 2, 1999
    Assignee: Dentsply G.m.b.H.
    Inventors: Joachim E. Klee, Walter Leube
  • Patent number: 5874491
    Abstract: The present invention relates to novel compositions useful, for example, in marking road surfaces. The compositions contain a moisture sensitive luminescent substance (for example a phosphorescent substance having increased brightness and longer lasting afterglow) and an epoxy resin or a polyurethane resin which is water miscible or soluble, and which impart moisture stability to the luminescent substance. The luminescent substance-resin mixtures may be mixed with water-based highway paints. As a result, these novel compositions impart an extended road surface life, and are environmentally friendly because they do not contaminate the surrounding environment with organic hydrocarbon products via vaporization or runoffs. In addition these compositions may be used both indoors and outdoors for nighttime marking and in other marking applications.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: February 23, 1999
    Inventor: Irving Anders
  • Patent number: 5859095
    Abstract: This invention relates to aqueous epoxy resin-containing compositions and to such compositions which are particularly useful for depositing coatings on metalic substrates in order to protect substrates against corrosion. The aqueous compositions generally comprise (A) an organic resin component consisting essentially of at least one water-dispersible or emulsifiable epoxy resin or a mixture of resins containing more than 50% by weight of at least one water-dispersible or emulsifiable epoxy resin, (B) chromium trioxide, and (C) water, said composition further characterized as being substantially free of strontium chromate. The aqueous compositions may also contain other ingredients including zinc and/or ferro alloys, and polytetrafluoroethylene as a lubricant to aid metal stamping operations, and a soluble colorant.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: January 12, 1999
    Assignee: Morton International, Inc.
    Inventors: Richard T. Moyle, Karl P. Anderson, James Paczesny, John Pisapia, Lori E. Whitherup
  • Patent number: 5624978
    Abstract: This invention relates to aqueous epoxy resin-containing compositions useful for depositing coatings on metallic substrates in order to protect substrates against corrosion. The aqueous compositions generally comprise (A) an organic resin component consisting essentially of at least one water-dispersible or emulsifiable epoxy resin; (B) a non-ionic emulsifier, (C) chromium trioxide, (D) a conductive pigment, (E) water, and, optionally, polytetrafluorethylene as a lubricant. The compositions may also contain phosphoric acid or an alkylphosphoric acid. These compositions are useful in coil coating operations to improve the electrocoatability of a metal substrate, in particular, steel, galvanized or aluminized substrates. The basecoated metal can then be conventionally coated or electro coated with weldable or non-weldable primer coatings and may be followed by the application of decorative topcoats.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: April 29, 1997
    Assignee: Morton International, Inc.
    Inventors: Jeffrey N. Soltwedel, Karl P. Anderson, Lori E. Witherup, Wendy M. Holtmann, John R. Sekerak
  • Patent number: 5525651
    Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 11, 1996
    Assignee: The Dow Chemical Company
    Inventors: Samuel A. Ogoe, David W. Liou, Oliver C. Ainsworth, James R. Bethea, David R. Flores, Stephen R. Ellebracht, John W. Muskopf, Craig L. Werling, Edwin J. Wilson, John W. Cocup, Joseph L. Allison
  • Patent number: 5476716
    Abstract: A flame retardant epoxy molding compound comprises an epoxy, a hardener preferably of the novolac or anhydride type, a catalyst, a mold release agent, preferably a filler, preferably a colorant, preferably a coupling agent, an organic compound containing a halogen (which can be part of the resin or the hardener), and an oxidizing refractory metal oxide, preferably on oxidizing metal oxide of an element selected from the Group VIA of the Periodic Table. The flame retardant epoxy molding compounds when used to encapsulated semiconductor devices have synergistic flame retardant properties.
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: December 19, 1995
    Assignee: The Dexter Corporation
    Inventor: Anthony A. Gallo
  • Patent number: 5441657
    Abstract: A vibration-isolating composite material consists essentially of powder of an inorganic elastic material and a synthetic polymer mixed thereto. The inorganic elastic material is at least one material selected from the group consisting of NdP.sub.5 O.sub.4, BiVO.sub.3, Gd.sub.2 (MoO.sub.4).sub.3, GdNbO.sub.4 and KH.sub.2 PO.sub.4 and the synthetic polymer is at least one material selected from the group consisting of thermoplastic resins, thermosetting resins and rubber materials.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: August 15, 1995
    Assignee: Murata Mfg. Co., Ltd.
    Inventor: Kikuo Wakino
  • Patent number: 5424341
    Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: June 13, 1995
    Assignee: The Dow Chemical Company
    Inventors: Samuel A. Ogoe, David W. Liou, Oliver C. Ainsworth, James R. Bethea, John W. Muskopf, Craig L. Werling, Edwin J. Wilson, John W. Cocup
  • Patent number: 5420178
    Abstract: A flame retardant epoxy molding compound comprises an epoxy, a hardener preferably of the novolac or anhydride type, a catalyst, a mold release agent, preferably a filler, preferably a colorant, preferably a coupling agent, an organic compound containing a higher percent of halogen (which can be part of the resin or the hardener), preferably the meta-brominated cresol epoxy novolac type, preferably containing at least about 0.5% of bromine by weight of the molding compound, a lower percent of sodium, preferably in the range of 0.03-0.06% by weight of the antimony pentoxide, a lower percent of antimony pentoxide, preferably in the range of from less than about 0.8% by weight of the molding compound, and an amount of magnesium aluminum carbonate hydrate less than or about 4.0% by weight of the molding compound. The flame retardant epoxy compounds when used to encapsulated the semiconductor devices have improved high temperature stability and reliability compared to similar prior art molding compounds.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: May 30, 1995
    Assignee: Dexter Electronics Materials Division, Dexter Corporation
    Inventor: Anthony A. Gallo
  • Patent number: 5413861
    Abstract: A flame retardant epoxy molding compound comprises an epoxy, a hardener preferably of the novolac or anhydride type, a catalyst, a mold release agent, preferably a filler, preferably a colorant, preferably a coupling agent, an organic compound containing a higher percent of halogen (which can be part of the resin or the hardener), preferably the meta-brominated cresol epoxy novolac type, preferably containing at least about 0.5% of bromine by weight of the molding compound, a lower percent of sodium, preferably in the range of 0.03-0.06% by weight of the antimony pentoxide, a lower percent of antimony pentoxide, preferably in the range of from less than about 0.8% by weight of the molding compound, and an amount of magnesium aluminum carbonate hydrate less than or about 4.0% by weight of the molding compound. The flame retardant epoxy compounds when used to encapsulated the semiconductor devices have improved high temperature stability and reliability compared to similar prior art molding compounds.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: May 9, 1995
    Assignee: Dextor Corporation
    Inventor: Anthony A. Gallo
  • Patent number: 5338781
    Abstract: An improved flame retardant epoxy molding compound comprises an epoxy, a hardener preferably of the novolac or anhydride type, a catalyst, a mold release agent, preferably a filler, preferably a colorant, preferably a coupling agent, an organic compound containing a higher percent of halogen (which can be part of the resin or the hardener), preferably the polyglycidyl ether of the bromophenol-formaldehyde novolac type, preferably containing at least about 1.0% of bromine by weight of the molding compound, a lower percent of sodium, preferably in the range of 0.03-0.06% by weight of the antimony pentoxide, a lower percent of antimony pentoxide, preferably in the range of .ltoreq. about 0.8% by weight of the molding compound, and an amount of bismuth trioxide .ltoreq. about 4.0% by weight of the molding compound.
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: August 16, 1994
    Assignee: Dexter Electronic Materials Division of Dexter Corp.
    Inventor: Anthony A. Gallo
  • Patent number: 5284938
    Abstract: A polysiloxane-modified epoxy-based encapsulation composition comprising an epoxy resin, a curing agent for the epoxy resin, a polylactone-polysiloxane block copolymer, and a filler is described. The powder molding compositions provide a low internal stress epoxy composition without significantly sacrificing T.sub.g.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: February 8, 1994
    Assignee: Shell Oil Company
    Inventors: Kailash C. B. Dangayach, Ronald S. Bauer
  • Patent number: 5177132
    Abstract: Disclosed is a polyalkylene terephthalate type flame retardant resin composition comprising:(A) 100 parts by weight of a polyalkylene terephthalate resin,(B) 30 to 250 parts by weight of a filler,(C) 5 to 50 parts by weight of an organic halogen compound having a glycidyl group, and(D) 5 to 50 parts by weight of sodium antimonate,wherein heat resistance is improved and change in molding stability is small even when it is exposed to high temperatures during molding.
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: January 5, 1993
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Hiroshi Takahashi, Seiko Nakano, Kiyoaki Okayama, Ichiro Ohkawachi
  • Patent number: 5104604
    Abstract: A flame retardant epoxy molding compound comprises an epoxy, a hardener preferably of the novolac or anhydride type, a catalyst, a mold release agent, preferably a filler, preferably a colorant, preferably a coupling agent, an organic compound containing a higher percent of halogen (which can be part of the resin or the hardener), preferably the meta-brominated cresol epoxy novolac type, preferably containing at least about 0.5% of bromine by weight of the molding compound, a lower percent of sodium, preferably in the range of 0.03-0.06% by weight of the antimony peroxide, a lower percent of antimony pentoxide, preferably in the range of from less than about 0.8% by weight of the molding compound, and an amount of magnesium aluminum carbonate hydrate less than or about 4.0% by weight of the molding compound. The flame retardant epoxy compounds when used to encapsulate the semiconductor devices have improved high temperature stability and reliability compared to similar prior art molding compounds.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: April 14, 1992
    Assignee: Dexter Electronic Materials Div. of Dexter Corp.
    Inventor: Anthony A. Gallo
  • Patent number: 5073580
    Abstract: An epoxy resin composition for use in sealing semiconductors, having enhanced moisture resistance reliability is disclosed, which comprises an epoxy resin and an oxyacid bismuth oxyhydroxide represented by the following formula (1):Bi.sub.x O.sub.y (OH).sub.p (Y.sup.-a).sub.q (NO.sub.3).sub.r.nH.sub.2 O (1)wherein Y.sup.-a represents a residue of an oxyacid other than nitrate; a represents the ionic valence, absolute value, of the residue of the oxyacid; and x, y, p, q, r and n each represents a value satisfying the following:1.ltoreq.x 1.ltoreq.y O.ltoreq.n0.08 x.ltoreq.p.ltoreq.0.92 x0.02 x.ltoreq.aq.ltoreq.0.92 x0.ltoreq.r.ltoreq.0.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: December 17, 1991
    Assignee: Toagosei Chemical Industry Co., Ltd.
    Inventors: Tomohisa Iinuma, Noriyuki Yamamoto, Hideki Kato
  • Patent number: 5037898
    Abstract: A polysiloxane-modified epoxy-based encapsulation composition comprising an epoxy resin, a curing agent for the epoxy resin, a polylactone-polysiloxane block copolymer, and a filler is described. The powder molding compositions provide a low internal stress epoxy composition without significantly sacrificing T.sub.g.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: August 6, 1991
    Assignee: Shell Oil Company
    Inventors: Kailash C. B. Dangayach, Ronald S. Bauer
  • Patent number: 5021473
    Abstract: Process for enhancing the electrostatic chargeability of powder coatings or powders, and the use thereof for surface coating solid objects.Process for enhancing the electrostatic chargeability of powder coatings or powders intended for the surface-coating of solid objects, by homogeneously incorporating at least one salt-like, cationic compound of the formula (1) ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4, independently of one another, denote hydrogen atoms, straight-chain or branched alkyl groups having 1 to 30 carbon atoms, mononuclear or polynuclear cycloaliphatic radicals having 5 to 12 carbon atoms, oxethyl groups of the general formula --(CH.sub.2 --CH.sub.2 --O).sub.n --R in which n denotes a number from 1 to 10 and R denotes a hydrogen atom, a (C.sub.1 -C.sub.
    Type: Grant
    Filed: November 3, 1988
    Date of Patent: June 4, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Tobias Macholdt, Alexander Sieber, Claus Godau, Albrecht Manz
  • Patent number: 4985478
    Abstract: Disclosed is a thermosetting resin composition comprising (a) a preliminary reaction product between a polyamino compound and an unsaturated bismaleimide compound, (b) an epoxy group-containing vinyl compound, (b') a vinyl group-free aliphatic or aromatic halogenated epoxy compound, (c) an epoxy curing agent and (d) a radical polymerization initiator as indispensable components. This composition is characterized in that the vinyl group-free aliphatic or aromatic halogenated epoxy compound as the component (b') is incorporated. This unsaturated bismaleimide type thermosetting resin composition is excellent in not only heat resistance and strength but also flame retardancy and light weight characteristic.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: January 15, 1991
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Masao Kameyama, Shigeyuki Kumagawa
  • Patent number: 4971727
    Abstract: An electrically conductive coating composition is useful for a primer or a surfacer paint for a plastic article, in particular one having a small polarity on the surface, and comprises (A) a polyurethane, (B) a spiro-ortho-ester resin of the ring-opening expansive property, (C) a cellulose derivative, (D) a hydroxy-containing surfactant and (E) an electrically conductive material.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: November 20, 1990
    Assignee: Polyplastics Co., Ltd.
    Inventors: Katsuhiko Takahashi, Yoshiharu Suzuki, Haruyasu Ito
  • Patent number: 4837254
    Abstract: Disclosed is a polyester molding composition containing a reinforcing material and a halogenated flame retardant, the polyester containing repeat units from terephthalic acid and 1,4-cyclohexane-dimethanol, the composition further comprising an additive system which enhances the flame retardancy thereof without detrimental loss of mechanical properties, said composition characterized as having a heat deflection temperature of greater than 250.degree. C., a tensile strength of greater than 16,000 psi, a flexural strength of greater than 21,500 psi and a notched Izod impact strength of greater than 1.5.
    Type: Grant
    Filed: March 2, 1988
    Date of Patent: June 6, 1989
    Assignee: Eastman Kodak Company
    Inventor: Larry W. Branscome
  • Patent number: 4788091
    Abstract: A flame retardant, curing adhesive film having improved OSU heat release properties is provided. The film contains decabromophenylene oxide and antimony trioxide as a flame retardant agent.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: November 29, 1988
    Assignee: Emhart Enterprises Corp.
    Inventors: Conrad Rossitto, Leon Pechinski