Stripping fingers for copying machine
OF THE INVENTION The above-described liquid crystal polyester is synthesized from different kinds of aromatic hydroxycarboxylic acids or their ester-forming derivatives or from an aromatic hydroxycar... Read More
Inventors: Nakamura, Kazuyoshi; Inagaki, Sadatoshi; Asai, Kuniaki; Kobayashi, Tadayasu;, Assignee: NTN Corporation (Osaka, JP); Sumitomo Chemical Co., Ltd. (Osaka, JP) |
Direct positive type silver halide photosensitive material
OF THE INVENTION The cobalt, nickel, ruthenium and chromium metal ammine complex salts used in the present invention are inert metal complex salts which are relatively stable (slow) with respect to t... Read More
Inventors: Matsuda, Terumi; Ishiguro, Shoji; Moriuchi, Shigenori; Suzuki, Yoshiaki;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Chemically durable nitrogen containing phosphate glasses useful for sealing to metals
What is claimed is: 1. An alkali phosphate glass comprising 10-60 mole percent Li.sub.2 O, Na.sub.2 O or K.sub.2 O, 5-40 mole percent BaO or CaO, 0.1-10 mole percent Al.sub.2 O.sub.3, and 40-70 mole p... Read More
Inventors: Day, Delbert E.; Wilder, Jr., James A.;, Assignee: The United States of America as represented by the United States (Washington, DC) |
Spin-on-glass planarization process with ion implantation
A principal object of the present invention is to provide an effective and manufacturable method for planarizing an integrated circuit surface with a spin-on-glass sandwich layer, where the entire sur... Read More
Inventors: Chien, Sun-Cheih; Hsue, Chen-Chiu; Liu, Yu-Ju;, Assignee: United Microelectronics Corporation (Hsin-Chu, TW) |
Liquid two-component coating compositions
OF THE PREFERRED EMBODIMENTS The ratio of numbers of functional groups of polyamine curing agents (B): aminourethane (C) is generally from 5:95 to 95:5. The ratio preferably is from 20:80 to 80:20 an... Read More
Inventors: Hoenel, Michael; Pfeil, Armin; Budnick, Thomas; Schwan, Heiner;, Assignee: Vianova Resins GmbH (Mainz-Kastel, DE) |
Method of image formation with a screen element and charging means
It is an object of the present invention to present a method of image formation which is carried out with the screen prevented from being contaminated by particles such as toner particles or paper pow... Read More
Inventors: Ando, Yujiro; Ohara, Katsunobu;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP); Canon Kabushiki Kaisha (Tokyo, JP) |
Continuous polymerization apparatus and process
We claim: 1. A device for the production of water soluble polymers which comprises a tubular premixer which is surrounded by a jacket in which a heated or cooled fluid is circulated to control the tem... Read More
Inventors: Barnett, Richard E.; Woodrum, Guy T.;, Assignee: Calgon Corporation (Pittsburgh, PA) |
Method for preparing polymer solutions
I claim: 1. A process for the preparation of aqueous polymer solutions for use in secondary or tertiary recovery of oil from a subterranean oil-bearing formation comprising: forming a first volume of ... Read More
Inventors: Luetzelschwab, Wayne E.;, Assignee: Marathon Oil Company (Findlay, OH) |
Melt-blending method of forming pigmented powder coatings
OF THE INVENTION The present invention is an improvement of one of the traditional methods, melt-extrusion, of blending the constituents of a pigmented powder coating composition. It has been found t... Read More
Inventors: Harmuth, Charles M.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Continuous dyeing of polyester fibers and cellulose fibers
We claim: 1. A process for the continuous dyeing of polyester fibers, cellulose fibers or blends of these fibers, which process comprises: continuously applying to said fibers an aqueous dye liquor wh... Read More
Inventors: Freyberg, Peter; Horn, Dieter; Oppenlaender, Knut; Wolf, Hans; Distler, Dieter;, Assignee: BASF Aktiengesellschaft (Ludwigshafen, DT) |
Process for the preparation of sterically uniform, natural 6-thiatetracycline derivatives
What is claimed is: 1. A process for the preparation of racemic sterically uniform 6-thiatetracycline derivatives of "natural" configuration which comprises treating a mixture of epimers of correspond... Read More
Inventors: Kirchlechner, Richard;, Assignee: Merck Patent Gesellschaft mit beschrankter Haftung (Darmstadt, DE) |
Method of making .alpha. type silicon nitride powder
Accordingly, one object of the present invention is to provide a method of manufacturing high quality .alpha. silicon nitride in high yield. Another object of the invention is to provide a high qualit... Read More
Inventors: Komeya, Katsutoshi; Inoue, Hiroshi; Ohta, Takao;, Assignee: Tokyo Shibaura Electric Co., Ltd. (JP) |
Method of forming slide gate valve parts
The periclase refractory grain used will contain at least 90%, preferably 95% or more MgO. It should be a relatively high strength grain; that is to say, it preferably contains CaO and SiO.sub.2 in s... Read More
Inventors: Videtto, Ralph B.;, Assignee: Kaiser Aluminum & Chemical Corporation (Oakland, CA) |
Method of manufacturing .beta.'SiAlON compounds
What is claimed is: 1. Method of manufacturing .beta.' SiAlON compounds corresponding to the general formula Si.sub.6-z Al.sub.z O.sub.z N.sub.8-z, in which z represents a number less than or equal to... Read More
Inventors: Demit, Joel;, Assignee: Ceraver (Paris, FR) |
Glass compositions with low dielectric losses
What is claimed is: 1. A glass consisting essentially of, in analysis oxide weight percent, SiO.sub.2 : 52.50 to 60.20 B.sub.2 O.sub.3 : 2.80 to 3.80 Al.sub.2 O.sub.3 : 8.00 to 14.00 PbO: 6.00 to 20.2... Read More
Inventors: Sack, Werner;, Assignee: Schott Glaswerke (Mainz, DE) |
Alumina coated composite silicon aluminum oxynitride cutting tools
The polycrystalline substrate bodies of coated composite ceramic cutting tools described herein have a composite microstructure of a modified silicon aluminum oxynitride, and a dispersed phase of ref... Read More
Inventors: Sarin, Vinod K.; Buljan, Sergej-Tomislav;, Assignee: GTE Laboratories Incorporated (Waltham, MA) |
Ceramic cutting tool formed from Si.sub.3 N.sub.4 --Y.sub.2 O.sub.3 --SiO.sub.2 and method of making
The tendency toward higher speeds and feeds to achieve lower production costs and higher productivity imposes an ever increasing demand for greater wear life on cutting tools. The temperature rise at... Read More
Inventors: Ezis, Andre; Samanta, Shyam K.; Subramanian, Krishnamoorthy;, Assignee: Ford Motor Company (Dearborn, MI) |
Composition and method for forming an abrasive article
In accordance with one aspect of the present invention, a composition is provided for forming an abrasive article having a complete vitreous bonded body composed of two separate compositions, wherein... Read More
Inventors: Makhlouf, Makhlouf M.; Schuster, Thomas R.;, Assignee: Dresser Industries, Inc. (Dallas, TX) |
Silicon carbide fiber reinforced glass composites
We claim: 1. A silicon carbide fiber reinforced glass composite consisting essentially of about 30% to about 70% by volume silicon carbide fibers in a glass matrix selected from the group consisting o... Read More
Inventors: Brennan, John J.; Prewo, Karl M.;, Assignee: United Technologies Corporation (Hartford, CT) |
Method of producing fiber reinforced glass matrix composite articles of complex shape
I claim: 1. A method of making fiber reinforced glass composite articles that is particularly adapted to making such articles in complex shapes, comprising applying a layer of carrier liquid containin... Read More
Inventors: Layden, George K.;, Assignee: United Technologies Corporation (Hartford, CT) |
Process for preparing silicon carbide whiskers
The present invention has been developed and completed from the following findings obtained as a result of extensive studies of conditions required for preparing silicon carbide whiskers of high quali... Read More
Inventors: Yamamoto, Akira;, Assignee: Tokai Carbon Co., Ltd. (Tokyo, JP) |
Polycrystalline transparent spinel sintered body and method of producing the same
What is claimed is: 1. A polycrystalline transparent spinel sintered body, consisting of Al.sub.2 O.sub.3 and MgO in a ratio of (0.54:0.46) to (0.58:0.42), said sintered body having an in-line transmi... Read More
Inventors: Matsui, Minoru; Takahashi, Tomonori;, Assignee: NGK Insulators, Ltd. (JP) |
Dielectric ceramic composition
What is claimed is: 1. A dielectric ceramic composition for microwave applications consisting essentially of a mixture represented by the general formula: xBaO-yTiO.sub.2 -z{(Sm.sub.2 O.sub.3).sub.100... Read More
Inventors: Sato, Hosaku; Ayusawa, Kazutoshi; Saito, Minoru; Nakayama, Matsue;, Assignee: Oki Electric Industry Co., Ltd. (Tokyo, JP) |
Polymeric boron nitrogen dopant
We claim: 1. A method of applying a polymeric composition to semiconductor substrates comprising dispensing a polymer containing from 1 to 20 percent by weight in a volatile organic solvent of a homog... Read More
Inventors: Kirtley, Stephen W.; Wooster, George S.;, Assignee: Allied Corporation (Morris Township, Morris County, NJ) |
Carbon resistor and method for producing same
OF THE INVENTION The ceramic resistor of the instant invention, and the method for the production thereof, will be more fully understood by reference to the following Examples. EXAMPLE I describes a ... Read More
Inventors: Nemeth, Joseph; Kowalski, Charles I.;, Assignee: Champion Spark Plug Company (Toledo, OH) |
Method of making silicon nitride base cutting tools -II
OF THE INVENTION An illustrative method mode for carrying out the inventive method of making silicon nitride based cutting tools for metals is as follows: (1) A uniform powder mixture is prepared com... Read More
Inventors: Ezis, Andre;, Assignee: Ford Motor Company (Dearborn, MI) |
Aerator
It is, therefore, one of the principal objects of the present invention to provide an aerator which replenishes depleted concentrations of oxygen and maintains oxygen supply at an optimum level for fi... Read More
Inventors: Holyoak, H. Ken;, Assignee: |
Low thermal expansion modified cordierites
OF THE INVENTION Referring now to FIG. 1, there is seen a flow sheet showing the process for preparing a modified cordierite ceramic having a substantially zero coefficient of thermal expansion betwe... Read More
Inventors: Bind, Jean-Marie;, Assignee: The Perkin-Elmer Corporation (Norwalk, CT) |
Method of manufacturing low thermal expansion modified cordierite ceramics
Briefly, the present invention is directed to define a method of fabricating a germanium-cordierite ceramic body, which comprises the steps of: providing, on a molecular weight basis, a mixture of abo... Read More
Inventors: Agrawal, Dinesh K.; Stubican, Vladimir S.; Mehrotra, Yogesh;, Assignee: The Perkin-Elmer Corporation (Norwalk, CT) |
Monolithic catalyst supports incorporating a mixture of alumina and silica as a high surface area catalyst support material
OF THE INVENTION The improvements embodied by the present invention relate to the finding that a physical mixture of alumina and silica can be used as the high surface area phase of a catalyst suppor... Read More
Inventors: Lachman, Irwin M.; Nordlie, Lawrence A.;, Assignee: Corning Glass Works (Corning, NY) |
Manufacturing Materials 
