Patents Examined by Josephine Barr
  • Patent number: 5066416
    Abstract: A moldable detergent having a stable available halogen concentration suitable for use in industrial and institutional dishwashers is produced in a process which comprises:admixing an alkali metal polyphosphate compound, an alkali metal silicate compound, and an aqueous solution of an available halogen compound to form an available halogen containing mixture, andadmixing an alkali metal phosphate compound to produce a moldable detergent composition containing at least 50 percent by weight of solids and having an available halogen concentration of at least about 1 percent by weight.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: November 19, 1991
    Assignee: Olin Corporation
    Inventor: Douglas R. Martin
  • Patent number: 5066748
    Abstract: An electropolymerized film comprised of polymers and copolymers of a monomer having the general formula: ##STR1## is formed on the surface of an anode. The finished structures have superior electrical and mechanical properties for use in applications such as electrostatic dissipation and for the reduction of the radar cross section of advanced aircraft.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: November 19, 1991
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Ganesan Nagasubramanian, Salvador DiStefano, Ranty H. Liang
  • Patent number: 5064480
    Abstract: Improved soldering paste for surface mounting of electronic components comprises a novel fluxing agent selected from formylated polyhydric compounds. The paste enables circuit boards to be washed with water to remove flux residues.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: November 12, 1991
    Assignee: Quantum Materials, Inc.
    Inventors: Stephen M. Dershem, Richard R. Weaver
  • Patent number: 5064573
    Abstract: Disclosed herein is resistive paste containing conductive powder, which is composed of iron oxide, ruthenium oxide, lead oxide and zinc oxide, glass frit, and organic varnish. The conductive powder contains 10 to 25 atomic percent of iron oxide in terms of Fe atoms, 25 to 34 atomic percent of ruthenium oxide in terms of Ru atoms, 25 to 34 atomic percent of lead oxide in terms of Pb atoms, and 10 to 25 atomic percent of zinc oxide in terms of Zn atoms. According to this resistive paste, it is possible to obtain a resistor with small sliding noise at a low cost.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: November 12, 1991
    Assignee: Murata Mfg. Co.
    Inventors: Shizuharu Watanabe, Hiroji Tani
  • Patent number: 5064554
    Abstract: A process for the preparation of a homogeneous, storage-stable detergent for dishwashing machines in the form of fused blocks containing alkali metal hydroxide, alkali metal silicate, water, penta-alkali metal triphosphate, active chlorine donor, and organic complexing agent; comprising preparing a melt of alkali metal silicate, alkali metal hydroxide and water, maintaining the melt at a temperature of about 50.degree. C. to about 75.degree. C., adding to the melt an active chlorine donor and an organic complexing agent, introducing the melt into a flow mixer together with a penta-alkali metal triphosphate and distributing the triphosphate in the melt, pouring the resulting liquid mixture into flexible molds, and allowing the mixture to solidify.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: November 12, 1991
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Jochen Jacobs, Theodor Altenschoepfer, Peter Jeschke
  • Patent number: 5064574
    Abstract: A method and composition which provides both thermal control and electrostatic discharge protection to bodies in the space environment. The composition comprises: a) a chosen polymer or resin that forms a polymer that is an electronic insulator and is suitable for space applications; and b) a selected lithium salt as a dopant wherein said composition, when formed into a film or coating, provides a semiconductive film or coating having a volume resistivity of about 10.sup.6 to 10.sup.11 ohm-centimeter and a value of solar absorptance/total normal emittance within the range of about 0.305 to 0.595. In an alternative embodiment, the composition may optionally include tantalum pentoxide.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: November 12, 1991
    Assignee: Hughes Aircraft Company
    Inventors: Susan L. Oldham, Desiree S. Prior
  • Patent number: 5064572
    Abstract: The present invention provides a poly(long-chain nuclear substituted-p-phenylene vinylene) represented by the following formula: ##STR1## (wherein R.sub.1 represents a hydrocarbon group of 7-20 carbon atoms or an alkoxy group of 7-20 carbon atoms, n represents an integer of 5 or more and m represents an integer of 1 or 2) and a highly conductive composition comprising said polymer and a dopant as essential components.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: November 12, 1991
    Assignee: Agency of Industrial Science and Technology
    Inventors: Toshihiro Ohnishi, Takanobu Noguchi, Tsuyoshi Nakano
  • Patent number: 5062993
    Abstract: A new composition and method of making same for a doped zinc oxide microsphere and articles made therefrom for use in an electrical surge arrestor which has increased solid content, uniform grain size and is in the form of a gel.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: November 5, 1991
    Assignee: Cooper Power Systems, Inc.
    Inventors: Wesley D. Arnold, Jr., Walter D. Bond, Robert J. Lauf
  • Patent number: 5061294
    Abstract: Coated abrasive product contains a conductive, doped, conjugated polymer to reduce the static charge generated during abrading operations.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: October 29, 1991
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Walter L. Harmer, Leif Christensen, Gary J. Drtina, Harvey J. Helmin
  • Patent number: 5061401
    Abstract: A composition comprising (a) at least one oxidized polycationic polyheteroaromatic compound and (b) at least one polyanion of a film-forming thermoplastic polymer containing sulfated alcohol groups ##STR1## in repeating structural units. The composition has high electrical conductivity and good mechanical properties, especially after drawing at temperatures below the melt/decomposition temperature. The material may be used as electrodes, electrically conductive filaments or components for electromagnetic screening.
    Type: Grant
    Filed: August 31, 1989
    Date of Patent: October 29, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wernet, Jean Stoffer
  • Patent number: 5057245
    Abstract: A thermally curable polymer thick film compositions comprising, by weight:(a) about 3-15 parts of at least one poly(hydroxystyrene) resin;(b) a crosslinking resin selected from the group consisting of:(i) about 5-25 parts of at least one blocked isocyanate resin; or(ii) about 2-10 parts of at least one melamineformaldehyde resin;(c) an effective amount of at least one organic solvent capable of substantially dissolving (a) and (b) ingredients;(d) conductive particulate matter selected from the group consisting of:(i) about 50-80 parts silver flake;(ii) a graphite/carbon black mixture consisting of:(aa) about 15-45 parts graphite; and(bb) about 1-10 parts carbon black; or(iii) a mixture of (i) and (ii).
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: October 15, 1991
    Assignee: Advanced Products, Inc.
    Inventors: Richard L. Frentzel, Warren R. Oakdale
  • Patent number: 5057244
    Abstract: A transparent, electrically conductive film suitable for use as a transparent electrode in various optical devices is provided. The film comprises a first element selected from a first group consisting of Sn, Pb, and In, at least one second element selected from a second group consisting of N, O, S, and H, and C.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: October 15, 1991
    Assignee: Ricoh Company, Ltd.
    Inventors: Shoji Nitta, Yukio Ide
  • Patent number: 5055219
    Abstract: A thickened aqueous cleaning composition is viscoelastic, and has utility as a drain opening composition or as a hard surface cleaner having a cleaning-effective residence time on non-horizontal surfaces. In one embodiment the composition comprises a cleaning active, a quaternary ammonium compound, and an organic counterion. In another embodiment, the viscoelastic quality of the composition is advantageously utilized as a drain opener which rapidly penetrates standing water with minimal dilution to deliver active to the clog material.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: October 8, 1991
    Assignee: The Clorox Company
    Inventor: William L. Smith
  • Patent number: 5053167
    Abstract: A method is disclosed for the preparation of an integral silicone rubber article having an electrically insulating part and an electrically conductive part, in which the adhesive bonding between the two parts is greatly enhanced and each part exhibits a remarkably small permanent compression set. The method comprises the steps of preparing a first cured silicone rubber body from a first silicone rubber composition and then curing a second silicone rubber body in contact with the first cured silicone rubber body under specified conditions while either one of the first and the second silicone rubber composition contains a substantial amount of a carbon black to give conductivity. Both of the two compositions comprises a non-acyl type organic peroxide, e.g., dicumyl peroxide, as a curing agent of the organopolysiloxane.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: October 1, 1991
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventor: Toshiyuki Kawaguchi
  • Patent number: 5053166
    Abstract: A poly(hetero-arylene vinylene) containing, as its major constituent unit, a repeating unit represented by the general formula ##STR1## (wherein X is a sulfur or oxygen atom), which is obtained by subjecting a sulfonium salt represented by the general formula ##STR2## (wherein X has the same definition as given above, R.sub.1 and R.sub.2 are independently a hydrocarbon group of 1 to 10 carbon atoms, and A.sup.- is a counter ion) to condensation polymerization using an alkali to obtain a precursor polymer, and subjecting the precursor polymer to stretching and orientation and then to a treatment for sulfonium salt elimination or subjecting the precursor polymer in one step to stretching and orientation and to a treatment for sulfonium salt elimination, as well as a highly conductive composition thereof.
    Type: Grant
    Filed: February 11, 1987
    Date of Patent: October 1, 1991
    Assignee: Agency of Industrial Science & Technology
    Inventors: Ichiki Murase, Toshihiro Ohnishi, Takanobu Noguchi
  • Patent number: 5051208
    Abstract: A conductive silver/silver chloride composition consisting essentially of:(a) about 5 to about 15 parts by weight of a polyester or phenoxy thermoplastic polymer or mixtures thereof;(b) at least a sufficient amount of an organic solvent capable of dissolving polymer (a);(c) about 35 to about 60 parts by weight of silver flake; and(d) about 5 to about 20 parts by weight silver chloride.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: September 24, 1991
    Assignee: Advanced Products Inc.
    Inventors: Richard E. Bowns, David J. Ouellette
  • Patent number: 5051211
    Abstract: An ionically conductive, ion-containing polymeric material prepared from an amorphous polymer and a source of ions and having a bulk ionic conductivity at 20.degree. C. and 10 kHz greater than 10.sup.-6 .OMEGA..sup.-1 cm.sup.-1, wherein the copolymer comprises a backbone from which depends at least one residue of the formula: ##STR1## wherein: n represent a number greater than 1; andR represents a hydrogen atom or substituted or unsubstituted lower alkyl group.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: September 24, 1991
    Assignee: National Research Development Corporation
    Inventors: Ian M. Ward, James E. McIntyre, Dennis J. Bannister, Peter G. Hall, Geoffrey R. Davies
  • Patent number: 5051399
    Abstract: A superconductive resin material comprising a resin matrix in which 70-90% by weight on the basis of the total composition of a superconductive compound metal oxide powder is homogeneously dispersed is disclosed.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: September 24, 1991
    Assignee: Mitsubishi Kinzoku Kabushiki Kaisha
    Inventors: Motohiko Yoshizumi, Hideo Arai
  • Patent number: 5051209
    Abstract: A conductive coating composition containing a binder and pigment in a pigment to binder weight ratio of about 15:100 to 100:100; wherein the binder contains(A) a multifunctional amine, a polyamide resin, polyamidoamine resin or any mixtures thereof; and(B) a multifunctional epoxy resin;wherein the electrically conductive pigment is a silica which is either amorphous silica, a silica containing material or a silica coated pigment, the silica is in association with a two-dimensional network of antimony-containing tin oxide crystallites in which the antimony content ranges from about 1-30% by weight of the tin oxide and the composition forms a coating on a substrate that has a surface conductivity of at least 100 Ransburg units. The coating can be used on metal or plastic substrates or previously coated substrates of either plastic or metal to render the substrate conductive and easily grounded for electrostatic spraying.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: September 24, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Mary N. Mirabeau, Frank Rohrbacher
  • Patent number: 5051210
    Abstract: An electrically conductive alumina fiber which heretofore known only as electrically insulative is now provided, which comprises an aluminum oxide matrix, and a continuous phase of carbon in the aluminum oxide matrix, the continued phase of carbon affording an electrically conductive property to the fiber. Also, a method of producing the alumina fiber is disclosed, comprising pyrolyzing a fiber of poly[(acyloxy)aloxane)] having a formula ##STR1## wherein, R.sub.1 represents CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.3, R.sub.2 represents ##STR2## or other substituted aromatic group, in an inert atmosphere.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: September 24, 1991
    Assignee: Kyoto Institute of Technology
    Inventors: Toshio Kitao, Yoshiharu Kimura, Hideki Yamane, Koichi Hashimoto