Method for beneficiation of low-rank coal
The present invention provides a method for moisture removal and improvement of the handling and storage characteristics of fines derived from low-rank coal comprising the steps of drying the bulk or ... Read More
Inventors: Atherton, Linda;, Assignee: Electric Power Research Institute, Inc. (Palo Alto, CA) |
Method for coprocessing coal and oil
I claim: 1. A process for simultaneously improving the fuel properties of coal and oil, comprising the steps of: (a) providing a heated fluidized bed reactor, wherein said reactor has a fluidized dens... Read More
Inventors: Dunlop, Donald D.;, Assignee: Fuels Management Inc. (Miami, FL) |
Irreversible drying of carbonaceous fuels
According to one embodiment of the invention, a method for drying low-quality solid carbonaceous fuels is provided comprising, (a) subjecting the solid fuel to a mildly reducing environment, at a temp... Read More
Inventors: Coleman, Richard D.; Toll, Floyd N.; Sparks, Bryan D.;, Assignee: National Research Council of Canada (Ottawa, CA) |
Method for dewatering particles
It is an object of this invention to provide an inexpensive, less energy intensive means of dewatering fine particles. According to the invention, water is removed from particulate surfaces at low cos... Read More
Inventors: Yoon, Roe-Hoan; Luttrell, Gerald H.;, Assignee: Virginia Tech Intellectual Property Inc. (Blacksburg, VA) |
Borosiloxane polymers and a method for producing the same
What is claimed is: 1. Borosiloxane polymers having a number average molecular weight of 500-10,000, an intrinsic viscosity of 0.01-3.00 and a density of 1.00-2.00 g/cm.sup.3, more than 80% of which i... Read More
Inventors: Yajima, Seishi; Okamura, Kiyoto; Hayashi, Josaburo; Shishido, Toetsu;, Assignee: The Foundation: The Research Institute for Special Inorganic Materials (Kashima, JP) |
Boron nitride preceramic polymers
OF THE INVENTION The substituted borazine polymers of this invention are of the general formula ##STR3## wherein R is a lower alkyl group such as methyl, ethyl, propyl or butyl having the formula C.s... Read More
Inventors: Paciorek, Kazimiera J. L.; Kratzer, Reinhold H.; Harris, David H.; Krone-Schmidt, Wilfried;, Assignee: |
Reaction products of 2-(aminoethyl)-aminopropyl-alkoxy silanes and chlorosilanes
What is claimed is: 1. Product containing diaza-sila-cyopentane groups and disilazane groups obtained from reaction of 2-(aminoethyl)-aminopropyl-alkoxy silanes of the following formula: H.sub.c NCH.s... Read More
Inventors: Weber, Wilhelm; Sockel, Karl-Heinz; Wiskamp, Volker; Jeremias, Jorg;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Poly(arylene sulfide) containing talc
OF THE INVENTION This invention relates to poly(arylene sulfide) compositions. The term poly(arylene sulfide) is intended to designate arylene sulfide polymers. The scope of this invention broadly en... Read More
Inventors: Leland, John E.; Boeke, Paul J.;, Assignee: Phillips Petroleum Company (Bartlesville, OK) |
Sintered ceramic body and process for production thereof
The present invention provides a process for producing a sintered ceramic body, which comprises heating a semi-inorganic block copolymer at a temperature of 500.degree. C. to 2300.degree. C. in vacuum... Read More
Inventors: Yajima, Seishi; Okamura, Kiyohito; Hasegawa, Yoshio; Yamamura, Takemi;, Assignee: Ube Industries, Ltd. (JP) |
Cobalt or cobalt alloy composite materials reinforced with continuous silicon carbide fibers and a method for producing the same
What is claimed is: 1. Cobalt or cobalt alloy composite materials reinforced with continuous silicon carbide fibers having excellent tensile strength and Young modulus, in which the wettability of met... Read More
Inventors: Yajima, Seishi; Kayano, Hideo; Asada, Chiaki; Saito, Makoto;, Assignee: The Research Institute for Iron, Steel and other Metals of the Tohoku (Sendai, JP) |
Paste anhydride curing system for cast epoxy resin bodies and method for making the same
OF THE INVENTION A formulation for making a cured epoxy resin solid body able to undergo post cure heating thereof includes a two or three component system. The cured body may take the many forms, su... Read More
Inventors: Brennan, Anthony; Files, Edmee;, Assignee: Coors Porcelain Company (Golden, CO) |
Method of producing poly(arylene sulfide) compositions and articles made therefrom
In one embodiment the invention provides a method of preparing poly(arylene sulfide) compositions wherein a crystalline morphology-modifying additive is incorporated into the poly(arylene sulfide) com... Read More
Inventors: Johnson, Timothy W.; Beever, William H.; O'Connor, James E.; Blackwell, Jennings P.;, Assignee: Phillips Petroleum Company (Bartlesville, OK) |
Polyarylene sulfide preparation in titanium reaction vessel with two distinct temperature ranges
OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail. Preparation of PAS The process for the preparation of PAS according to the present invention is characterized in th... Read More
Inventors: Iizuka, Yo; Iwasaki, Takao; Katto, Takayuki; Shiiki, Zenya;, Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha (Tokyo, JP) |
Para-phenylene sulfide block copolymer, process for the production of the same
OF THE INVENTION Block Copolymers Chemical structure of the copolymer The crystalline p-phenylene sulfide block copolymer according to the present invention is a high molecular substance having such ... Read More
Inventors: Shiiki, Zenya; Katto, Takayuki; Iizuka, Yo; Iwasaki, Takao; Kouyama, Toshitaka;, Assignee: Kureha Kagawa Kogyo Kabushiki Kaisha (Tokyo, JP) |
Highly crystallized molded polyarylene thioether and process for producing it
OF THE INVENTION The highly crystallized, molded product of PATE according to the present invention is characterized in that it has been obtained by the process comprising the steps of (1) stretching... Read More
Inventors: Kawakami, Yukichika; Iwasaki, Takao; Shiiki, Zenya;, Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha (Tokyo, JP) |
Process for dimensionally stable polyester yarn
What is claimed: 1. A process for production of a dimensionally stable drawn polyethylene terephthalate multifilament yarn having filaments of at least 2.5 denier per filament comprising the steps of:... Read More
Inventors: Hamlyn, Maxwell C.; Luck, Thomas H.; Nelson, Charles J.;, Assignee: Allied-Signal Inc. (Morris Township, Morris County, NJ) |
Watch construction
In order to aid in the understanding of this invention it can be stated in essentially summary form that it is directed to an electronic watch construction, and particularly a construction in which an... Read More
Inventors: Somogyi, Bela;, Assignee: Hughes Aircraft Company (Culver City, CA) |
Process for the purification of phosphoric acid using amines
What is claimed is: 1. In a method of purifying phosphoric acid by removing the phosphoric acid values from the aqueous phase which contains impurities, said process comprising the following steps: ex... Read More
Inventors: Williams, Kenneth A.;, Assignee: Occidental Petroleum Corporation (Los Angeles, CA) |
Preparation of resin composition from cyclic polycarbonate oligomers from spirobiindane bisphenol
What is claimed is: 1. A method for the preparation of a resinous composition which comprises contacting with a polycarbonate formation catalyst, at a temperature up to about 350.degree. C., a composi... Read More
Inventors: Brunelle, Daniel J.; Evans, Thomas L.; Shannon, Thomas G.;, Assignee: General Electric Company (Schenectady, NY) |
Foot tension relaxer
A foot tension relaxer is described that includes a flat base member having a selected length and width and an areal upper and lower surface. A first cushion member that is slightly less in length and... Read More
Inventors: Bowles, Alfred H.;, Assignee: |
Process for controlling thickness of die attach adhesive
In accordance with the teachings this invention, the benefits of utilizing a silver filled glass die attach adhesive are achieved while maintaining extremely tight control on the thickness of the sil... Read More
Inventors: Newman, Robert; Johnson, Fred;, Assignee: Monolithic Memories, Inc. (Santa Clara, CA) |
Pelvis locking belt
To achieve the aforementioned object, according to the present invention, there is provided a length-adjustable belt to be tightly wound around portions immediately under the front and upper spines of... Read More
Inventors: Noguchi, Katsumasa;, Assignee: |
Block copolyetheramides-based thermofusible adhesive compositions
We claim: 1. As a novel industrial product, a thermofusible adhesive, formed of the product obtained from copolycondensation of polyamide blocks having reactive extremities with polyether blocks havin... Read More
Inventors: Borg, Patrick; Deleens, Gerard;, Assignee: Ato Chimie (Courbevoie, FR) |
Thermoplastic elastic adhesive containing polyether block amides
OF THE PREFERRED EMBODIMENTS The primary component of the adhesive compositions used in the present invention are block copolymers having the general configuration: A-B-A or A-B-A-B-A-B- wherein the ... Read More
Inventors: Salerno, Catherine E.;, Assignee: National Starch and Chemical Corporation (Bridgewater, NJ) |
Stain-resistant polyamide composition and fibers and method of production thereof
OF THE INVENTION The terms below have the following meanings herein, unless otherwise noted: "Reagent" refers to any chemical compound, composition or material which associates (as that term is defin... Read More
Inventors: Studholme, Matthew Benjamin;, Assignee: Prisma Fibers, Inc. (Bristol, VA) |
Flexible wrapping material and method of manufacture
Referring to the drawing, the numeral 10 indicates a film laminate made in accordance with the present invention. An outer layer 12 is supplied consisting of a balanced, heat-set, biaxially oriented ... Read More
Inventors: Theisen, Henry J.; Gehrke, Willard H.;, Assignee: Curwood, Inc. (New London, WI) |
Method of making an oriented polymeric film
OF THE PREFERRED EMBODIMENTS Each of the five polymeric layers in the films of this invention must satisfy certain specific functional requirements as described hereinafter. The first layer is genera... Read More
Inventors: Newsome, David L.; Rein, Arnold R.; Hoss, Bradley J.; Schroeder, George O.;, Assignee: American Can Company (Greenwich, CT) |
Dryer fabric having warp strands made of melt-extrudable polyphenylene sulphide
We claim: 1. A dryer fabric for use in a dryer section of a paper machine, comprising a woven fabric or a fabric of a plurality of helical coils connected together by hinge pins, wherein at least a po... Read More
Inventors: Baker, Samuel M.; Best, F. Brian; Bhatt, Girish M.;, Assignee: JWI Ltd. (Ontario, CA) |
Method for preparing cyclic polycarbonate oligomer from bischloroformate composition
What is claimed is: 1. A method for preparing a composition comprising cyclic polycarbonate oligomers characterized by structural units of the formula ##STR3## where R is a divalent aromatic radical, ... Read More
Inventors: Silva, James M.;, Assignee: General Electric Company (Schenectady, NY) |
Cyclic polycarbonate oligomers and methods for their preparation and use
What is claimed is: 1. A composition consisting essentially of a mixture of cyclic oligomers having varying degrees of polymerization from 2 to about 30, the structural units in said oligomers having ... Read More
Inventors: Brunelle, Daniel J.; Evans, Thomas L.; Shannon, Thomas G.; Williams, David A.;, Assignee: General Electric Company (Schenectady, NY) |
Manufacturing Materials 
