Magnetic recording medium
OF THE INVENTION The present invention relates to a magnetic recording medium comprising a non-magnetic support having coated thereon a non-magnetic layer as defined hereinafter and a magnetic layer ... Read More
Inventors: Kawamata, Toshio; Morita, Kazuhiko;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Heat transfer sheet
Accordingly, an object of the present invention is to provide a heat transfer sheet which is free from the above-described problems, which has excellent heat transfer properties, from which letters, s... Read More
Inventors: Nagashima, Kousaku; Namiki, Shin-ichi; Sakai, Kiyoshi;, Assignee: Lintec Corporation (Tokyo, JP) |
Broadening the spatial frequency pass band of a thermoplastic layer
What is claimed is: 1. In a holographic recording medium wherein an electrically conductive layer has first and second surfaces respectively connected to a surface of a substrate and to one surface of... Read More
Inventors: Credelle, Thomas L.; Hannan, William J.; Spong, Fred W.;, Assignee: RCA Corporation (New York, NY) |
Photographic material
We claim: 1. In a process for placing letters, pictures or stamps fixedly on a back surface of a photographic material, the improvement which comprises said photographic material comprising a water-pr... Read More
Inventors: Asahina, Miyoshi; Kitagawa, Keishi; Fuchizawa, Testuro;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Poly(methyl methacrylate) composition
What is claimed is: 1. A method of preparing a composition, characterized by having a white light transmission efficiency in the range of about 85 to about 92 percent, a notched Izod impact strength i... Read More
Inventors: Mast, William C.; Bauer, Richard G.; Wathen, Tom M.;, Assignee: The Goodyear Tire & Rubber Company (Akron, OH) |
Silver halide photographic light-sensitive material for photomechanical process and method of reduction treatment therefore
OF THE INVENTION The light-insensitive upper layer in the present invention is a layer substantially composed of a hydrophilic colloid which is provided throughout above the light-sensitive silver ha... Read More
Inventors: Ogawa, Masashi; Nakamura, Taku; Urata, Yukihide; Yamauchi, Shingo;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Seals for vehicles
It is an objective of the present invention to provide a relatively light and inexpensive seal used in a vehicle without degrading the sealing and anti-wear characteristics of the entire seal. To achi... Read More
Inventors: Nakajima, Takao; Aritake, Masanori; Sumida, Atsushi; Fukamachi, Hidetaka;, Assignee: Toyoda Gosei Co., Ltd. (Aichi-ken, JP) |
Fast cure and pre-cure resistant cross-linked phenol-formaldehyde adhesives and methods of making same
OF PREFERRED EMBODIMENTS In the following, the method of preparing the adhesives of the invention are described. As well, test results including assessments of the adhesion characteristics of various... Read More
Inventors: Calve, Louis R.;, Assignee: Forintek Canada Corp. (Ottawa, CA) |
Aqueous vinylchloride/vinyl acetate/ethylene copolymers and process
We claim: 1. A stable aqueous vinyl chloride copolymer dispersion having a solids content of from 30% to 70% by weight, said dispersion containing a copolymer consisting of 50% to 85% by weight of vin... Read More
Inventors: Eck, Herbert; Kemenater, Christof; Kaiser, Wilhelm; Hannebaum, Manfred;, Assignee: Wacker-Chemie GmbH (Munich, DE) |
Process for production of vinyl film-cellulosic laminates and laminates produced thereby
OF THE INVENTION The lamination process of the present invention provides a method for the formation of a permanent bond between a vinyl film and a cellulosic substrate. The cellulosic substrates uti... Read More
Inventors: Cooley, James; Fogle, Ozzie;, Assignee: Champion International Corporation (Stamford, CT) |
Aqueous adhesive compositions
We claim: 1. A composition of matter comprising a mixture of an aqueous latex emulsion or dispersion of (a) a member selected from the group consisting of a homopolymer of a vinyl monomer and an inter... Read More
Inventors: Powell, Clois E.; Linden, Gary L.;, Assignee: Ashland Oil, Inc. (Ashland, KY) |
Latex-reinforced polyurethane sewer sealing composition
What is claimed is: 1. A two-part curable composition suited when mixed for sealing water-bearing or water-holding structures, comprising: Part A: a fluid mixture comprising water-miscible organic sol... Read More
Inventors: Gasper, Alton J.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Aqueous hydroxyl-acrylic latex and water dispersible multi-isocyanate adhesive composition
OF THE INVENTION The present invention is based upon several unexpected discoveries which were uncovered during the course of research aimed at improving aqueous latex adhesives, for example, of the ... Read More
Inventors: Gruber, Norma J.; Powell, Clois E.;, Assignee: Ashland Oil, Inc. (Ashland, KY) |
Polyvinyl alcohol-stabilized vinyl chloride-ethylene-hydroxyethyl acrylate copolymer emulsions having enhanced water and solvent resistant properties
OF THE INVENTION The vinyl chloride-ethylene copolymers of the stable emulsions according to the invention contain about 65 to 90 wt % vinyl chloride, preferably about 75 to 80 wt %. The copolymeriza... Read More
Inventors: Iacoviello, John G.; Hook, William J.; Vijayendran, Bheema R.;, Assignee: Air Products and Chemicals, Inc. (Allentown, PA) |
Devices for mechanically applying a flexible multi-layer body member which is adherent on its one side to the surface of a workpiece
In meeting these and other objects by the invention, two things are particularly essential, i.e.: that the multi-layer body member, when applied to the surface to be stiffened, has a convex form so th... Read More
Inventors: Braun, Moritz; Radlinsky, Jan;, Assignee: Gurit-Essex AG (Freienbach, CH) |
Pressure-sensitive adhesive and vinyl acetate-ethylene copolymer emulsion useful as base material therefor
What is claimed is: 1. A pressure-sensitive adhesive containing a base material therefor comprising an aqueous emulsion of vinyl acetate-ethylene copolymer having an ethylene content of 20 to 35% by w... Read More
Inventors: Oyamada, Takeo; Tomizawa, Choji; Domoto, Masahiro; Narisawa, Shizuo;, Assignee: Sumitomo Chemical Company, Limited (Osaka, JP) |
Process for preparing vinyl acetate-ethylene copolymer latices
What is claimed is: 1. A process for preparing vinyl acetate-ethylene copolymer latices having an inherent viscosity of not less than about 1.90 measured upon solution of 0.250 gm of latex in 50-75 ml... Read More
Inventors: Heimberg, Manfred; Rekers, Louis J.;, Assignee: National Distillers and Chemical Corp. (New York, NY) |
Vinyl acetate-ethylene emulsions for nonwoven goods
What is claimed: 1. In a process for producing an aqueous emulsion suitably adapted for producing non-woven goods said emulsion containing a vinyl acetate-ethylene copolymer wherein said copolymer con... Read More
Inventors: Iacoviello, John G.;, Assignee: Air Products and Chemicals, Inc. (Allentown, PA) |
Process for the preparation of polymer dispersions and their application
We claim: 1. In a process for the preparation of aqueous polymer dispersions with solids contents of 20 to 75 wt%., calculated with respect to the total weight, which are stabilized by a protective co... Read More
Inventors: Eck, Herbert; Hannebaum, Manfred; Kemenater, Christof;, Assignee: Wacker-Chemie GmbH (DE) |
Isostatic molding of two-terminal ceramic insulator
OF THE INVENTION Referring to FIGS. 1 and 2, an isostatic molding apparatus 10 comprises a steel mold retainer 12 having a cylindrical bore 14 about a longitudinal axis 15. Positioned within bore 14 ... Read More
Inventors: Hoffman, James S.;, Assignee: General Motors Corporation (Detroit, MI) |
Process for preparing refractory borides and carbides
OF THE INVENTION The process of the present invention is applicable with all metal chlorides which undergo reduction with alkali metals such as sodium, lithium or potassium. It is particularly useful... Read More
Inventors: Ritter, Joseph J.;, Assignee: The United States of America as represented by the Secretary of Commerce (Washington, DC) |
Apparatus for synthesizing and densifying materials using a shape memory alloy
The present invention relates to an apparatus and process using a shape memory alloy such as nickel-titanium as a reaction vessel for containing a self-sustaining combustion reaction and as a movable ... Read More
Inventors: Chiang, Tien-Hon; Thatcher, Donald N.;, Assignee: Aerojet-General Corporation (La Jolla, CA) |
Low Dielectric constant compositions
OF THE INVENTION Alkali metal ions are excluded from the composition of the invention because their presence can compromise the reliability of the final multilayer structure. That is, alkali ions are... Read More
Inventors: Burn, Ian;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Composite ceramic articles
OF THE INVENTION A composite ceramic article provided by the method of this invention has the following characteristics: (1) The article is an integral assembly of constituent ceramic members of part... Read More
Inventors: Nakamura, Kiyoshi; Ishii, Takashi; Komatsu, Michiyasu; Miyano, Tadashi; Nakanishi, Masae;, Assignee: Tokyo Shibaura Electric Co., Ltd. (Kawasaki, JP) |
Process for producing SIALON sintered product
OF THE PREFERRED EMBODIMENTS The inventors have been studied to attain the objects of the present invention. As a result, it has been found that weight loss is caused by the formation of SiO. When th... Read More
Inventors: Mitomo, Mamoru; Kuramoto, Nobuyuki; Inomata, Yoshizo;, Assignee: National Institute for Researches in Inorganic Materials (Ibaraki, JP) |
Hydrocracking catalyst
OF THE INVENTION From one vantage point, the present invention may be seen as an improvement to the hydrocracking catalyst disclosed in U.S. Pat. No. 4,097,365. This catalyst is composed of a combina... Read More
Inventors: Ward, John W.; Carlson, Timothy L.;, Assignee: Union Oil Company of California (Los Angeles, CA) |
Electrophotographic photosensitive material having thin amorphous silicon protective layer
It is an object of this invention to provide an electrophotographic photosensitive material which is improved in abrasion resistance of the surface of photosensitive material without changing the char... Read More
Inventors: Hosoya, Akira; Tamahashi, Kunihiro; Onuma, Shigeharu; Kakuta, Atsushi; Mori, Yasuki; Suzuki, Katsuhito; Morishita, Hirosada;, Assignee: Hitachi, Ltd. (Tokyo, JP); Hitachi Koki Co., Ltd. (Tokyo, JP) |
Ammoxidation of paraffins and catalysts therefor
We claim: 1. A complex metal oxide catalyst, which is essentially free of bismuth, having the elements and the proportions which are represented by the following empirical formula: VSb.sub.m A.sub.a B... Read More
Inventors: Guttmann, Andrew T.; Grasselli, Robert K.; Brazdil, James F.;, Assignee: Standard Oil Company (Cleveland, OH) |
Silicon nitride sintered bodies
OF THE INVENTION The silicon nitride sintered bodies according to the present invention are characterized in that the intergranular phase is substantially crystallized into diopside structure type cr... Read More
Inventors: Matsui, Minoru;, Assignee: NGK Insulators, Ltd. (JP) |
Resin bonded refractory shape and method of making
OF THE INVENTION The resins used to bond refractories according to this invention are well known in the art and need not be described in great detail. Preferably, the liquid resin will be a phenolic ... Read More
Inventors: Cassens, Jr., Nicholas;, Assignee: National Refractories & Minerals Corporation (Oakland, CA) |
Manufacturing Materials 
