Process for the fine distribution of pigments of the dioxazine series
What is claimed is: 1. A process for finely comminuting a dioxazine pigment which comprises introducing into a mill having a flexible lining a coarsely crystallized crude dioxazine pigment and a large... Read More
Inventors: Spietschka, Ernst; Urban, Manfred; Paulus, Erich;, Assignee: Hoechst Aktiengesellschaft (Frankfurt am Main, DE) |
Pigment compositions
We claim: 1. A pigment composition comprising a pigment and a colouring compound of the general formula (I), ##STR42## wherein Q represents a residue of a colouring compound other than phthalocyanine,... Read More
Inventors: Ehashi, Shigeyuki; Tsuchida, Junichi; Kakimoto, Kenichi; Katsura, Hiromitsu;, Assignee: Toyo Ink Manufacturing Co., Ltd. (Tokyo, JP) |
Process for converting 2,9-dimethylquinacridone compound into pigment
We claim: 1. A process for converting a 2,9-dimethylquinacridone compound into a pigment, which comprises pouring a solution of a crude 2,9-dimethylquinacridone compound in sulfuric acid into continuo... Read More
Inventors: Maki, Hitoshi; Kato, Shigeki;, Assignee: Toyo Ink Manufacturing Co., Ltd. (Tokyo, JP) |
Method of preparing impression taking and molding materials and dental diagnosing/treating chemical materials used in the method
An object of the present invention is to provide a method of preparing impression taking and molding materials quickly and hygienically, and dental diagnosing/treating chemical materials used in the m... Read More
Inventors: Buma, Mitsuo; Yuda, Sadayuki; Sato, Masatsune; Okada, Mitsuo;, Assignee: Sankin Kogyo Kabushiki Kaisha (Osaka, JP) |
Jet printing ink composition containing an ethylene oxide adduct of acetylenic diol
What is claimed is: 1. In a process for information recording comprising producing a fine jet of colored aqueous liquid, directing the jet of colored liquid onto a recording medium, modulating the den... Read More
Inventors: Bradley, Edward T.;, Assignee: M&T Chemicals Inc. (Stamford, CT) |
Polishing composition for memory hard disc
OF THE PREFERRED EMBODIMENT A polishing composition embodying the invention is composed of a slurry formulated by suspending a polishing agent of .alpha.-aluminium oxide (.alpha.-Al.sub.2 O.sub.3) in... Read More
Inventors: Senda, Tetsuji; Baba, Takashi;, Assignee: Fujimi Kenmazai Kogyo Kabushiki Kaisha (JP) |
Pigment compositions and processes therefor
The invention claimed is: 1. Blue pigments which comprise the reaction product obtained by dissolving and/or dispersing an essentially water-insoluble aryl pararosaniline in an effective amount of at ... Read More
Inventors: Ludwig, Thomas E.;, Assignee: The Sherwin-Williams Company (Cleveland, OH) |
Composition
We claim: 1. A composition comprising a finely-divided non-magnetic solid dispersed in an organic medium selected from amines, ether, organic acids, esters, ketones, glycols, glycol ethers, glycol est... Read More
Inventors: Campbell, Frederick; Geary, John M.; Schofield, John D.;, Assignee: Imperial Chemical Industries PLC (London, GB2) |
Color cathode ray tube gun having control grid of varying thickness
The shadow mask type color cathode ray tube (CRT) of this invention, which overcomes the above-discussed and numerous other disadvantages and deficiencies of the prior art, is fitted with an in-line t... Read More
Inventors: Ashizaki, Shigeya; Natsuhara, Masao; Hayashi, Akira;, Assignee: Matsushita Electronics Corporation (Osaka, JP) |
Copolymers of anthraquinone dyes and acrylamide
What is claimed is: 1. A structurally dyed water-insoluble macromolecular material containing, in copolymerized form, acrylamide, at least one colorless monomer selected from the group consisting of v... Read More
Inventors: Champenois, Michel Maurice Luce;, Assignee: Produits Chimiques Ugine Kuhlmann (Paris, FR) |
Free amine-containing polymeric dyes
What is claimed is: 1. The process for water fast coloring a proteinaceous fiber substrate which comprises applying to said substrate a solution comprising a solvent selected from the group consisting... Read More
Inventors: Wang, Patricia C.; Wingard, Jr., Robert E.;, Assignee: Dynapol (Palo Alto, CA) |
Aryl monoazo pyridone yellow compound having two vinylsulfone type fiber reactive groups bonded to a triazine ring for dyeing cellulose or polyamide
What is claimed is: 1. A compound represented by the following formula (I), ##STR16## wherein R.sub.1 and R.sub.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl, ... Read More
Inventors: Yokogawa, Kazufumi; Harada, Naoki; Omura, Takashi;, Assignee: Sumitomo Chemical Company, Limited (Osaka, JP) |
Organic high molecular liquid crystals
OF THE INVENTION Then, the organic high molecular liquid crystals of this invention are explained below in detail. In the structural formula (1) described above, m shows the length of the conjugated ... Read More
Inventors: Iimura, Kazuyoshi; Koide, Naoyuki; Miyabayashi, Mitsutaka;, Assignee: Mitsubishi Petrochemical Co., Ltd. (Tokyo, JP); Iimura; Kazuyoshi (Sayama, JP); Koide; Naoyuki (Kunitachi, JP) |
Thermostable iron oxide pigments
What is claimed is: 1. Stabilized iron oxide particles having an iron(II) content of at least 5%, by weight, calculated as FeO, and coated with from 0.1 to 4% by weight of boron in the form of boron-o... Read More
Inventors: Biermann, Hans-Peter; Kohler, Peter; Heine, Heinrich;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Fat or oil composition in powdery or granular form and a process for producing the same
OF THE INVENTION In one aspect of the present invention, there is provided a fat or oil composition comprising (a) a fat or oil, (b) a base material having said fat or oil included therein by occlusi... Read More
Inventors: Hamaguchi, Takashi;, Assignee: Asahi Kasei Kogyo Kabushiki Kaisha (Osaka, JP) |
Microwave antenna with exponentially expanding horn structure
We claim: 1. A micro-wave, horn-type antenna having a longitudinal axis, said antenna comprising an outlet portion having a circular inlet opening and a circular outlet opening, the diameter of the ou... Read More
Inventors: Kienberger, Karl-Heinz; Stock, Don J. R.;, Assignee: Endress u. Hauser GmbH u. Co. (Maulburg, DE) |
Silicone encapsulated devices
The need for improved silicone resins as potting compounds for electronic devices becomes apparant when one views a potted device wherein the silicone resin has developed bubbles during curing. Many ... Read More
Inventors: Wong, Ching-Ping;, Assignee: American Telephone and Telegraph Company AT&T Technologies, Inc. (Berkeley Heights, NJ) |
Method and apparatus for applying a rubber layer to a cylindrical workpiece
The invention provides a method of applying a layer of rubber to a cylindrical workpiece comprising the steps of locating a feed surface adjacent the workpiece with the feed surface converging towards... Read More
Inventors: Barwell, John H.; Wielesiuk, Aleksander;, Assignee: |
Apparatus and method for production of polyurethane carpet backing
Referring to the drawings in detail, wherein like numerals designate like parts, the apparatus used in the practice of the method comprises in FIGS. 1A and 1B an input accumulator 20 for a carpet web... Read More
Inventors: Poteet, William C.; Terry, Claude E.; Hamrick, Glen F.; Walls, Francis G.;, Assignee: Custom Coating, Inc. (Dalton, GA) |
Aseptic filling arrangement
OF THE DRAWINGS Referring now to FIG. 1, which shows a plan view of a part of an arrangement within the scope of the present invention, a base 1 is provided to receive a rotor assembly 2 as shown in ... Read More
Inventors: Raque, Glen F.; Robinson, Edward A.;, Assignee: Raque Food Systems, Inc. (Louisville, KY) |
Apparatus for dispensing flowable materials
In accordance with the present invention, automatic apparatus for dispensing flowable materials on an object, such as pizza dough, is provided which is uniquely suitable for use in a high-speed, mass ... Read More
Inventors: Fitch, Jr., Clifford E.;, Assignee: |
Consolidation of deposited metal
It is an object of the present invention to provide an alternative way of mechanically working metal for consolidation thereof in the courses of deposition thereof. The invention is of particular but ... Read More
Inventors: Gardiner, Robert W.;, Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government (London, GB2) |
Heat-reflective enamel
OF THE EMBODIMENTS To produce the proposed heat-reflective enamel, the starting ingredients, including pigment, extender, weather resistant vehicle and solvent, are charged into a dissolver mixer whi... Read More
Inventors: Shtern, Maria A.; Levit, Nelli I.; Bondarenko, Alla V.; Kaschentseva, Alexandra K.;, Assignee: |
Magenta toner for electrophotography
AND EMBODIMENTS OF THE INVENTION In the practice of the invention, the magenta toner is made of a specific type of colorant dispersed or dissolved in a binder resin. The amount of the colorant is gen... Read More
Inventors: Shimazaki, Hiromitsu;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Alignment layer for a liquid crystal in a liquid crystal display device
OF THE INVENTION The material used to prepare the alignment layer of the present invention is a copolymer of a first and a second perfluorethylene monomer, a copolymer derived from oligomers of a fir... Read More
Inventors: Perettie, Donald J.; DeKoven, Benjamin M.; Babb, David A.;, Assignee: The Dow Chemical Company (Midland, MI) |
Curable epoxide resin compositions
What is claimed is: 1. Composition comprising (a) an aromatic compound having more than one amino group directly attached to an aromatic ring and (b) a nitrate of magnesium, lanthanum, manganese, zinc... Read More
Inventors: Andrews, Christopher M.;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Metal fluoborate catalyzed hindered aromatic amine curing agents for polyepoxide resins
What is claimed is: 1. A curing agent for polyepoxide resins comprising a solution of: (a) a sterically hindered aromatic diamine containing two primary amine groups attached directly to carbon atoms ... Read More
Inventors: Shimp, David A.;, Assignee: Celanese Corporation (New York, NY) |
Heat-curable composition
What is claimed is: 1. A curable composition comprising (1) a polyepoxide, (2) at least one aromatic or aliphatic amine, (3) a catalytic amount of a trihydrocarbyl sulfonium salt, (4) at least one uns... Read More
Inventors: Corley, Larry S.;, Assignee: Shell Oil Company (Houston, TX) |
Heat-curable composition
What is claimed is: 1. A curable composition comprising (1) a polyepoxide, (2) at least one aromatic or aliphatic amine, (3) a catalytic amount of a trihydrocarbyl sulfonium salt, (4) at least one uns... Read More
Inventors: Corley, Larry S.;, Assignee: Shell Oil Company (Houston, TX) |
Epoxy/aromatic amine resin systems containing aromatic trihydroxy compounds as cure accelerators
OF THE INVENTION The cure accelerators of formula (I) include 1,3,5-trihydroxybenzene (phloroglucinol); 1,2,3-trihydroxybenzene (pyrogallol); the C.sub.1 to C.sub.12 alkyl derivatives thereof; the ar... Read More
Inventors: Qureshi, Shahid P.; Gardner, Hugh C.;, Assignee: Union Carbide Corporation (Danbury, CT) |