Optical fibres based on polycarbonate fibres, and a process for the production thereof
What is claimed is: 1. In the process for the production of optical fibres based on aromatic polycarbonates wherein the polycarbonate fibres are coated with a plastic, the improvement which comprises ... Read More
Inventors: Ebert, Wolfgang; Haese, Wilfried; Vogelsgesang, Roland; Dhein, Rolf;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
High temperature polyether imide compositions and method for making
What is claimed is: 1. A blend of 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane/bis(4-aminophenyl) sulfone polyetherimide and 3,3', 4,4'-tetracarboxybiphenyl/bis(4-aminophenyl) sulfone polyimide.
... Read More
Inventors: Lupinski, John H.; Cole, Jr., Herbert S.;, Assignee: General Electric Company (Schenectady, NY) |
Digital video disk substrate
What is claimed is: 1. A digital video disk substrate of a polycarbonate having a viscosity-average molecular weight Mv of from 10,000 to 17,000 and a weight-average molecular weight Mw/number-average... Read More
Inventors: Okamoto, Masaya; Kuze, Shigeki;, Assignee: Idemitsu Petrochemical Co., Ltd. (Tokyo, JP) |
Optical information recording medium
It is an object of the present invention to provide an optical information recording medium excellent in durability and reflectance of an information recording medium layer, and can be produced by spi... Read More
Inventors: Kobayashi, Setsuo; Iwasaki, Kishiro; Nakamura, Mariko; Sasaki, Hiroshi; Ito, Yutaka;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Resist hardening process having improved thermal stability
OF THE PREFERRED EMBODIMENTS With reference to FIGS. 7a-b, a method for hardening photoresists according to the present invention will be described. It has been determined that photoresist features m... Read More
Inventors: Shibata, Tsuyoshi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Optical disk employing integral substrate, and method for manufacturing the same
It is an object of the present invention to overcome the above problems encountered in prior art and to provide an integral substrate the opposite sides of which are molded through an injection moldin... Read More
Inventors: Ro, Myong-do;, Assignee: Samsung Electronics Co., Ltd. (KR) |
Aminium salt or diimonium salt compounds and use thereof
What is claimed is: 1. An aminium salt or diimonium salt compound consisting the aminium or diimonium cation and an anion, said aminium cation having a skeletal structure represented by Formula (1) as... Read More
Inventors: Kitayama, Yasuyuki; Ikeda, Masaaki; Ohnishi, Masao;, Assignee: Nippon Kayaku Kabushiki Kaisha (Tokyo, JP) |
Process for the production of an aluminum triformate solution containing alkali metal and/or alkaline earth metal, highly concentrated aluminum triformate solutions containing alkali and/or alkaline earth metal, and their use
The invention claimed is: 1. A process for the production of a solution comprising aluminum triformate by neutralization of an aqueous aluminate liquor containing aluminum and at least one member sele... Read More
Inventors: de Riese-Meyer, Loert; Zauns-Huber, Rudolf;, Assignee: Henkel Kommanditgesellechaft auf Aktien (Duesseldorf, DE) |
Method for production of feed for salmonides and feed for salmonides
What is claimed is: 1. A method for production of fish feed, comprising fish products and fish feed components, comprising ammonium diformate, sodium diformate, or potassium diformate sodium tetraform... Read More
Inventors: Johnsen, Freddy; Hj.o slashed.rnevik, Leif; Ringdal, Ole;, Assignee: Norsk Hydro ASA (Oslo, NO) |
Wood preservatives
What we claim is: 1. A chromium-free wood preservative consisting essentially of 1 to 35% by weight of a mixture of 25 to 75 parts by weight of a fatty amine ethoxylate and 75 to 25 parts by weight of... Read More
Inventors: Barth, Volker; Hartner, Helmut; Beez, Volker;, Assignee: WEYL GmbH (DE) |
Method for coating a metal strip
The present invention relates to a product and method of producing a corrosion-resistant, environmentally friendly metal material. More specifically, the invention relates to the coating of metal stri... Read More
Inventors: Carey, II, Jay F.; Zamanzadeh, Mehrooz;, Assignee: The Louis Berkman Company (Steubenville, OH) |
Corrosion-resistant coated copper metal and method for making the same
The present invention relates to a product and method of producing a corrosion-resistant, environmentally friendly metal material. More specifically, the invention relates to the product and method of... Read More
Inventors: Carey, II, Jay F.; Zamanzadeh, Mehrooz; Hesske, Nicholas R.;, Assignee: The Louis Berkman Company (Steubenville, OH) |
Process for the production of a coated copper alloy
The present invention has been accomplished to solve the above-mentioned problems, and provides a copper alloy and a process for the production thereof. The process of the invention comprises the step... Read More
Inventors: Sugawara, Akira; Hana, Yoshitake; Endo, Takayoshi; Sugiyama, Osamu;, Assignee: Dowa Mining Co., Ltd. (Tokyo, JP); Yazaki Corporation (Tokyo, JP) |
Copper foil for printed wiring board having excellent chemical resistance and heat resistance
The copper foil for a printed wiring board according to the invention comprises a copper foil, an alloy layer (A) comprising copper, zinc, tin and nickel which is formed on a surface of the copper foi... Read More
Inventors: Fujiwara, Kazuhisa; Tan, Hiroshi; Fujii, Mitsuo; Tsushima, Masanobu;, Assignee: Mitsui Mining & Smelting Co., Ltd. (JP) |
Process for the non-galvanic tin plating of copper or copper alloys
What is claimed is: 1. A bath for non-galvanic plating of a tin layer onto a copper or copper alloy base layer, the bath comprising: a tin-containing electrolyte; an acid; a complexing agent; a foreig... Read More
Inventors: Bell, Jane; Heyer, Joachim; Hupe, Jurgen; Kalker, Ingo; Kleinfeld, Marlies;, Assignee: Enthone Inc. (West Haven, CT) |
Ink jet printer
What is claimed is: 1. An ink jet printer, comprising at least one nozzle which is connected, via a pressure chamber, to an ink supply duct, said pressure chamber comprising a wall which can be moved,... Read More
Inventors: Doring, Michael;, Assignee: U.S. Philips Corporation (New York, NY) |
Anthraquinone-bis-amidines and process for preparing them
We claim: 1. An anthraquinone-bis-amidine of the formula: ##STR10## in which R.sup.1, R.sup.2 and R.sup.3 may be identical or different from each other and each represents hydrogen or alkyl of 1 to 4 ... Read More
Inventors: Winkelmann, Erhardt; Raether, Wolfgang;, Assignee: Hoechst Aktiengesellschaft (Frankfurt am Main, DT) |
Pad dyeing process for wool
What is claimed is: 1. A pad cold batch process for dyeing wool with reactive dyes, which comprises padding the fiber material at a pH value between 7 and 9 with aqueous liquors containing the dissolv... Read More
Inventors: Richter, Wolfgang; Durl, Bernd;, Assignee: Hoechst Aktiengesellschaft (DE) |
Organofunctional silane coupling agent-powder mixtures
What is claimed is: 1. A powder silane mixture in which the silane comprises 40 to about 80 weight percent of the mixture, the remainder is the powder, wherein the silane has the formula: HS(CH.sub.2)... Read More
Inventors: Sollman, Kenneth J.; Pickwell, Robert J.; Ranney, Maurice W.;, Assignee: Union Carbide Corporation (New York, NY) |
Backup electrode for an electrostatic recorder
What is claimed is: 1. An electrostatic recorder for forming an electrostatic image on a recording medium interposed between an array of backup electrodes positioned in opposite and opposed relation t... Read More
Inventors: Lloyd, William A.; Thornburg, David D.;, Assignee: Xerox Corporation (Stamford, CT) |
Polyetherimide composites
What I claim as new and desire to secure by Letters Patent of the United States is: 1. Polyetherimie-carbon fiber composites comprising, A. from 40% to 85% by weight of carbon fiber having a tensile s... Read More
Inventors: White, Dwain M.;, Assignee: General Electric Company (Schenectady, NY) |
Thermoplastic moulding compositions
We claim: 1. A thermoplastic molding composition comprising i. from 5 to 95 percent by weight of at least one polycarbonate derived from a divalent phenol and ii. from 95 to 5 percent by weight of at ... Read More
Inventors: Prinz, Richard; Elghani, Salah Elabd; Fischer, Winfried; Alberts, Heinrich;, Assignee: Bayer Aktiengesellschaft (DT) |
Blends of phenolphthalein polycarbonates with rubber-modified monovinylidene aromatic copolymers
OF ILLUSTRATIVE EMBODIMENTS The polycarbonate compositions of the present invention are heterogeneous blends wherein the essential components, i.e., the polycarbonate and rubber-modified copolymer, e... Read More
Inventors: Rudd, John F.;, Assignee: The Dow Chemical Company (Midland, MI) |
Molded articles of improved impact resistance and compositions therefor
We claim: 1. A thermoplastic molding composition comprising: (i) a poly(butylene terephthalate) resin as the principal resinous component therein, and (ii) a minor amount of at least one rubbery vinyl... Read More
Inventors: Dieck, Ronald L.; Kostelnik, Robert J.;, Assignee: General Electric Company (Pittsfield, MA) |
Polyurethanes using monocarboxylic acid salts of bis(aminoethyl)ether derivatives as catalysts
We claim: 1. A method for producing a polyurethane which comprises reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of a catalytic amount of an i... Read More
Inventors: Zimmerman, Robert L.; Peterson, Bruce W.;, Assignee: Texaco Inc. (White Plains, NY) |
Adjustable mount for electrostatic printer stylus within cylindrical printing roller
What is claimed is: 1. An electrostatic printer, comprising a rotatable, cylindrical printing roller, having an electrically non-conductive jacket which is provided with at least one aperture, a stylu... Read More
Inventors: Hinz, Hans-Dieter; Rothgordt, Ulf; Schinke, Franz;, Assignee: U.S. Philips Corporation (New York, NY) |
Apparatus with multiple heads adjusted for optimum performance at different regions of optical disk
It is an object of the invention to provide an optical disk apparatus without the above-described problems, using a plurality of beam heads different in adjustable range of emission power. An optical ... Read More
Inventors: Mizunoe, Katsumi; Kaneko, Hisharu;, Assignee: Nikon Corporation (Tokyo, JP) |
Thermal recording elements
OF THE INVENTION As the support used in this invention any of a wide variety of supports, generally used in this type of recording element may be used. For example, plastic films such as polyethylene... Read More
Inventors: Shinozaki, Fumiaki; Namiki, Tomizo; Kitajima, Masao; Ikeda, Tomoaki; Mizobuchi, Yuzo;, Assignee: Fuji Photo Film Co., Ltd. (Minami-ashigara, JP) |
Erasable recording medium comprising a dimer acid polyamide resin
OF THE PREFERRED EMBODIMENTS The polymers employed in the erasable recording medium of the present invention are dimer acid polyamides. Such polyamide resins are manufactured conventionally by reacti... Read More
Inventors: Kuder, James E.; East, Anthony J.;, Assignee: Celanese Corporation (New York, NY) |
Communication method and apparatus
Accordingly, the present invention attains this object with the following arrangement. Namely, a first communication apparatus and a second communication apparatus are connected together by a 2-wire s... Read More
Inventors: Akano, Shinichi;, Assignee: Yamatake Honeywell (Tokyo, JP) |
Manufacturing Materials 
